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🤑 Cisco IOS Interface and Hardware Component Command Reference - show hw-module slot tech-support through show interfaces vg-anylan [Cisco IOS XE 16] - Cisco

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Table 1-5 shows the number of internal and external slots on Cisco 2900 series and Cisco 3900 series ISRs. It also shows the number of EHWICs and SMs that are supported in the router slots at any time. Table 1-8 shows memory specifications by router.
I'm working on a script that telnets into the router, runs command abc - and from that, easily see what cards are where. A 'show version' only shows what interfaces are available, showing the running-config shows what interfaces are in what slot - however both of these aren't specific enough.
Learn about your hardware with Cisco's show diag command.. a Cisco 3845 router, has four adaptors (in slots 0 to 3), which results in a great deal more output.. a Cisco 2811 router, features.

Network module installation in Cisco router

Table 1-5 shows the number of internal and external slots on Cisco 2900 series and Cisco 3900 series ISRs. It also shows the number of EHWICs and SMs that are supported in the router slots at any time. Table 1-8 shows memory specifications by router.
The Cisco 7206VXR operates as either a tabletop or a rack-mounted unit. Maximum bit wizard of odds free slots rate as % of nominal bit rate = not specified *****#show hw-module subslot 0/0 transceiver 1 idprom IDPROM for NAME:Router# cisco show hardware slots show environment Warning:
Cisco router options that are available include the following: Cisco 2610XM and Cisco 2611XM - These routers support one network module slot and performs up to 20 kpps. Cisco 2612 - This is a smaller option with 8 MB of default memory and performs at 15 kpps.
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Cisco Learning Home: Unsupported Browser Show available slots cisco router

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The show commands are very useful Cisco IOS commands. The Cisco Router show commands can be used to examine nearly everything about a Cisco router and its configuration. Following table lists important Cisco Router Show commands and their use.
The CISCO1941/K9 1941 Series Integrated Services Routers from Cisco is designed to consolidate the functions of separate devices into a single, compact system that can be remotely managed, and supports a wide range of wireless and wired connectivity options such as T1/E1, xDSL, 3G, 4G LTE, and GE.
Introduction This document mentions about the commands used for troubleshooting voice ports.After physically connecting analog or digital devices to a Cisco voice-enabled router, you might need to issue show, test, or debug commands to verify or

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Router Ethernet Interface Configuration - dummies Show available slots cisco router

The show interfaces status cli command shows you all interfaces. The interfaces that are "up" are in the connected state. The | include connected shows only the lines of the output that contain the word "connected". Newer Cisco IOS contain a count parameter that can count lines which match a regex. This is not available on all IOS versions.
The show commands are very useful Cisco IOS commands. The Cisco Router show commands can be used to examine nearly everything about a Cisco router and its configuration. Following table lists important Cisco Router Show commands and their use.
I have a Cisco 2811 with 256MB DRAM. I know this because show version tells me so. I want to upgrade it to 768MB. I know that this takes 1 - 512MB amd 1 - 256MB DIMM. I know that the 2811 has 2 memory slots. What I do not know is whether the 256 MB I have is 2 - 128MB DIMMs or 1 - 256MB DIMM.

Show available slots cisco routercasinobonus

show available slots cisco router Refer to the appropriate hardware manual for slot information.
Command Default No default behavior or values Command Modes Privileged EXEC Command History Release Modification 12.
Usage Guidelines Use the show hw-module slot tech-support command to gather information about the SIP or other module to troubleshoot a problem.
Certain error messages request that you gather this information and have it available when reporting a problem to Cisco Systems technical support personnel.
The show hw-module slot tech-support command runs a collection of different show commands to gather information about your system environment and configuration.
The number of CPUs available varies by the type of SIP.
Although the Cisco 7600 SIP-200 has two CPUs, you can display alignment data for the first CPU CPU 0 only.
Examples The following example shows system information for the SIP installed in slot 5 of the router: Router show hw-module slot 5 tech-support ------------------ show today show win ------------------ Cisco Internetwork Operating System Software IOS tm cwlc Software sip2-DW-MVersion 12.
Compiled Wed 13-Oct-04 06:55 by kchristi Image text-base: 0x40010FC0, data-base: 0x40680000 ROM: System Bootstrap, Version 12.
SB-1 CPU at 400Mhz, Implementation 0x401, Rev 0.
Current configuration : 13 bytes!
To display diagnostic information about modules and interfaces on a Cisco 4400 Series ISR, use the show hw-module subslot command in privileged EXEC mode.
Refer to the appropriate hardware manual for slot information.
For SIPs, refer to the platform-specific SPA hardware installation guide or the corresponding "Identifying Slots and Subslots for SIPs and SPAs" topic in the platform-specific SPA software configuration guide.
For more information on slots for the Cisco 4400 Series ISR, refer to hardware installation guide.
Refer to the platform-specific SPA hardware installation guide and the corresponding "Specifying the Interface Address on a SPA" topic in the platform-specific SPA software configuration guide for subslot information.
For more information on subslots for the Cisco 4400 Series ISR, refer to hardware installation guide.
Refer to the appropriate hardware manual for port information.
Command Default No default behavior link values Command Modes Privileged EXEC Command History Release Modification 12.
Support in a specific 12.
Cisco IOS XE Release 3.
Usage Guidelines Use the click at this page hw-module subslot command to obtain diagnostic information about an interface on the SPA.
The counters keyword displays a subset of the statistics that are also provided by the show controllers fastethernet command for the specified SPA device.
Use the show hw-module subslot command in Cisco 4400 Series ISRs to obtain diagnostic information related to all supported Cisco services modules and network interface modules NIM.
You can use the show hw-module subslot all oir command to verify the operation and proper activation of a module after an online insertion or removal.
Note The all keyword is not supported for SPAs on the Cisco 7304 router.
Command Default For the Cisco 7304 router, if no location is specified, the output for this command will show information for all supported card types on the router.
For the Cisco 7600 series routers, Catalyst 6500 series switches, and Cisco 12000 series routers, there is no default behavior or values.
For more information about FPD upgrades on shared port adapters SPAsrefer to the Cisco 7600 Series Router SIP, SSC, and SPA Software Configuration Guide.
Command Modes Privileged EXEC Command History Release Modification 12.
Usage Guidelines Other than the FPD version information, the output for this command may also contain useful FPD-related notes.
Cisco 7304 Router The all keyword is not supported on the Cisco 7304 router.
There is no default behavior for this command on the Cisco 7600 series routers.
This SPA meets the minimum FPD requirements with that particular Cisco IOS release.
Required Slot Card Description Ver.
Required Slot Card Type Ver.
Required Slot Card Type Ver.
Required Slot Card Type Ver.
To display all FPD image file versions for all SPAs on a Cisco 7304 router, enter the show hw-module subslot fpd command without specifying a slot and subslot.
Required Slot Card Description Ver.
Refer to the appropriate hardware manual for slot information.
This option is intended for internal diagnostic use with Cisco Systems technical support personnel.
Command Default No default behavior or values Command Modes Privileged EXEC Command History Release Modification 12.
Usage Guidelines Use the show hw-module subslot oir command to obtain operational status information about one or all SPAs.
To display information for a specific SPA, specify the slot number of the SIP and the subslot number of the SPA about which you want information.
If no location is specified, the output for this command will show information for all SPAs in the router.
The optional internal keyword displays detailed diagnostic information that is recommended only for use with Cisco Systems technical support personnel.
Note The following status descriptions are not applicable to every SPA and can be platform-specific.
Operational Status Field Descriptions Operational Status Description admin down SPA is administratively disabled by the hw-module subslot shutdown global configuration command.
This could be caused by a corrupted message between the SIP and the Route Processor RP or some other software or hardware problem.
This could be caused by a corrupted message between the SIP and the Route Processor RP or some other software or hardware problem.
This could be caused by a corrupted message between the SIP and the RP or some other software or hardware problem.
Note This reason code only applies to those platforms that support pre-configuration.
This is not applicable to a Cisco 7600 series router or Catalyst 6500 series switch.
Command Default No default behavior or values.
Command Modes Privileged EXEC Command History Release Modification IOS XE Release 2.
Usage Guidelines Use the show hw-module subslot service-engine status command to obtain information about the Cisco WebEx Node SPA application status.
This includes configuration information sent from the Route Processor RP and the operation status of the application.
Examples The following example provides sample output for the show hw-module subslot service-engine status command for a Cisco WebEX Node SPA located in the top subslot 0 of the SIP that is installed in slot 0 on a Cisco ASR 1000 Series Router: Related Commands Command Description hw-module subslot service-engine session Opens a session on the Cisco WebEx Node SPA console.
Refer to the appropriate hardware manual for slot information.
Command Default No default behavior or values Command Modes Privileged EXEC Command History Release Modification 12.
Usage Guidelines Use the show hw-module subslot transceiver command to obtain hardware information or operational status for optical devices installed in a SPA.
Cisco Systems qualifies the small form-factor pluggable SFP optics modules that can be used with SPAs.
Note The SPAs will only accept the SFP modules listed as supported in this document.
An SFP check is run every time an SFP module is inserted into a SPA and only SFP modules that pass this check will be usable.
If a transceiver has not been qualified by Cisco Systems for use with a SPA, the show hw-module subslot transceiver status command reports the following message: The transceiver in slot 4 subslot 0 port 2 is not a Cisco supplied component.
In the current configuration third party transceivers are not serviced.
R0 RP slot 0.
In the Cisco ASR 1006 Routers and Cisco ASR 1013 Routers, it is the lower RP slot.
In Cisco ASR 1002 and Cisco ASR 1004, it is the only slot.
R1 RP slot 1.
This is only in the Cisco ASR 1006 and Cisco ASR 1013 Routers.
It is the higher RP slot.
F0 This is the embedded services processor ESP slot 0.
In the Cisco ASR 1006 Routers and Cisco ASR 1013 Routers, it is the lower ESP slot.
In Cisco ASR 1002 and Cisco ASR 1004, it is the only slot.
F1 This is the embedded services processor ESP slot 2.
This is only in the Cisco ASR 1006 and Cisco ASR 1013 Routers.
It is the higher ESP slot.
Select a slot number zero 0 through five 5.
Note A CPLD upgrade cannot be performed in slot 5 in the ASR100-SIP10.
Move the CPLD card to another slot.
Command Default None Command Modes Privileged EXEC Command History Release Modification 3.
Usage Guidelines This command displays the current CPLD and FPGA versions in a particular card by examining the contents of the hw-programmable package file.
Upgrading Field Programmable Hardware Devices for Cisco ASR 1000 Series Routers document.
Command Default This command has no default settings.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
Command Default No default behavior or values Command Modes Privilege Exec Mode Exec Command History Release Modification Cisco IOS XE Release 3.
Usage Guidelines The show interfaces cem command has been introduced on Cisco ASR 1000 Series Router in Cisco IOS XE Release 3.
The command output provides details regarding the various CEM groups configured and the various time slots to which the groups are attached.
Command Modes Privileged EXEC Command History Release Modification 12.
Usage Guidelines The show interface history command displays histograms of interface utilization.
The y-axis represents the input or output rate in packets per second, kilobits per second, or megabits per second.
Kilobits per second is used when the bandwidth of the interface is less than one gigabit per second.
Megabits per second is used for more than one gigabit per second.
The x-axis represents time in units of seconds, minutes or hours with the most current time at the left side of the histogram.
There are three histograms available: this web page last 60 seconds, the last 60 minutes, and the last 72 hours.
The interface counters specified in the history interface command are displayed under the x-axis of each histogram.
Each counter has a five-character identification as listed in the command.
The identification is displayed at the beginning of each counter line.
The number in the column indicates that the counter incremented by that amount during the specified interval.
When the counter exceeds a single digit, the values are displayed vertically.
During that one-minute interval, there were 35 input multicast packets and 247 input drops.
The counter values in the histogram should be read vertically.
The output rate histogram shows that the output rate reached 8 Mbps twice; once 7 minutes prior and the second time 26 minutes prior to the command execution.
There were no unknown protocol drops and no output drops during the last 60 minutes.
The table below describes the significant fields shown in the display.
Unkno Unknown protocol drops.
Related Commands Command Description history interface Enables an interface to maintain utilization history.
Refer to the appropriate hardware manual for slot information.
Refer to the appropriate hardware manual for port information.
Command Default No default behavior or values Command Modes Privileged EXEC Command History Release Modification 12.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
The calculation uses the value from the bandwidth interface configuration command.
Encapsulation Encapsulation method assigned to interface.
Loopback Indicates whether loopback is set.
Keepalive Indicates whether keepalives are set.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output Number of hours, minutes, and seconds since the last packet was successfully transmitted by an interface.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output hang Number of hours, minutes, and seconds or never since the interface was last reset because of a transmission that took too long.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Queueing strategy First-in, first-out FIFO queueing strategy other queueing strategies you might see are priority-list, custom-list, and weighted fair.
Output queue, drops input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because a queue was full.
Compare with ignored count.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
Other input-related errors can also increment the count, so that this sum might not balance with the other counts.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a serial link, CRCs usually indicate noise, gain hits or other transmission problems on the data link.
On a serial line, this is usually the result of noise or other transmission problems.
These buffers are different than the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be incremented.
Note that this might not balance with the sum of the enumerated output errors, as some datagrams can have more than one error, and others can have errors that do not fall into any of the specifically tabulated categories.
This can happen if packets queued for transmission were not sent within a certain interval.
learn more here the system notices that the carrier detect line of an interface is up, but the line protocol is down, it periodically resets the interface in an effort please click for source restart it.
Interface resets can also occur when an unrecoverable interface processor error occurred, or when an interface is looped back or shut down.
Allowed values for type can be atmasyncauto-templatebvibri0ctunnelcontainerdialere1esconPhyethernetfastethernetfcpafddifilterfiltergroupgigabitethernetge-wanhssilongreachethernetloopbackmfrmultilinkmodulenullpos port-channel, port-grouppos-channelsbcsdccserialsysclockt1tengigabitethernettokentokenringtunnelvifvmivirtual-accessvirtual-pppvirtual-templatevirtual-tokenring.
Note The type of interfaces available is based on the type of router used.
The first argument can be either 1 or 2.
The last argument can only be 2, indicating B channels 1 and 2.
D-channel information is obtained by using the command without the optional arguments.
Refer to the appropriate hardware manual for slot information.
Refer to the appropriate hardware manual for port information.
Refer to the appropriate hardware manual for information about port adapter compatibility.
The value can be from 1 to 28.
The subslot argument was introduced.
Support for this command was added for the Supervisor Engine 720.
Support for this command on the Supervisor Engine 2 was extended to Cisco IOS Release 12.
The uplink dual-mode port information was updated.
The default value of the command was modified on the Cisco 10000 series router for the PRE3 and PRE4.
Cisco IOS XE Release 2.
Usage Guidelines Display Interpretation The show interfaces command displays statistics for the network interfaces.
The resulting output varies, depending on the network for which an interface has been configured.
The resulting display on the Cisco 7200 series routers shows the interface processors in slot order.
If you add interface processors after video slot big win youtube the system, they will appear at the end of the list, in the order in which they were inserted.
Information About Specific Interfaces The number argument designates the module and port number.
For example, if you type show interfaces you will receive information for all Ethernet, serial, Token Ring, and FDDI interfaces.
Cisco 7600 Series Routers Valid values for the number argument depend on the specified interface type and the chassis and module that are used.
The port channels from 257 to 282 are internally allocated and are supported on the Content Switching Module CSM and the Firewall Services Module FWSM only.
Statistics are collected on a per-VLAN basis for Layer 2-switched packets and Layer 3-switched packets.
Statistics are available for both unicast and multicast traffic.
The Layer 3-switched packet counts are available for both ingress and egress directions.
The per-VLAN statistics are updated every 5 seconds.
In some cases, you might see a difference in the duplex mode that is displayed between the show interfaces command and the show running-config commands.
In this case, the duplex mode that is displayed in the show interfaces command is the actual duplex mode that the interface is running.
The show interfaces command shows the operating mode for an interface, and the show running-config command shows the configured mode for an interface.
If you do not enter any keywords, all counters for all modules are displayed.
Command Variations You will use the show interfaces command frequently while configuring and monitoring devices.
The various forms of the show interfaces commands are described in detail in the sections that follow.
Dialer Interfaces Configured for Binding If you use the show interfaces command on dialer interfaces configured for binding, the display will report statistics on each physical interface bound to the dialer interface; see the following examples for more information.
This information consists of the current and high-water mark number of flows.
Cisco 10000 Series Router In Cisco IOS Release 12.
In Cisco IOS Release 12.
Examples The following is sample output from the show interfaces command.
Because your display will depend on the type and number of interface cards in your router or access server, only a portion of the display is shown.
Router show interfaces Ethernet 0 is up, line protocol is up Hardware is MCI Ethernet, address is 0000.
When custom queueing is enabled, the drops accounted for in the output queues result from bandwidth limitation for the associated traffic and lead to queue length overflow.
Total output drops include drops on all custom queues and the system queue.
Fields are described with the weighted fair queueing output in the table below.
Examples For each interface on the router or access server configured to use weighted fair queueing, the show interfaces command displays the information beginning with Input queue : in the following display: Router show interfaces Ethernet 0 is up, line protocol is up Hardware is MCI Ethernet, address is 0000.
Weighted-Fair-Queueing Output Field Descriptions Field Description Input Queue size Current size of the input queue.
Total output drops Total number of messages discarded in this session.
Output Queue size Current size of the output queue.
Number of messages in the queue after which new messages for high-bandwidth conversations are dropped.
Conversations: active Number of currently active conversations.
Conversations: max active Maximum number of concurrent conversations allowed.
Examples To display the number of packets of each protocol type that have been sent through all configured interfaces, use the show interfaces accounting command.
When you use the accounting option, only the accounting statistics are displayed.
Note Except for protocols that are encapsulated inside other protocols, such as IP over X.
For example, it totals the size of the Ethernet packet or the size of a packet that includes High-Level Data Link Control HDLC encapsulation.
A router periodically broadcasts MOP packets to identify itself as a MOP host.
This results in MOP packets being counted, even when DECnet is not being actively used.
T1, N1, N2, K Current values for these variables.
The table below shows other data given for each SDLC secondary interface configured to be attached to this interface.
SDLC Field Descriptions Field Description addr Address of this secondary interface.
State Current state of this connection.
VS Sequence number of the next information frame this station sends.
VR Sequence number of the next information frame from this secondary that this station expects to receive.
RCNT Number of correctly sequenced I-frames received when the Cisco IOS software was in a state in which it is acceptable to receive I-frames.
Remote VR Last frame transmitted by this station that has been acknowledged by the other station.
Current retransmit count Number of times the current I-frame or sequence of I-frames has been retransmitted.
IFRAMEs, RNRs, SNRMs, DISCs Sent and received count for these frames.
Poll count Number of polls, in a row, given to this secondary at this time.
Examples The following is sample output from the show interfaces command issued for the serial interface 1 for which flow-based WRED is enabled.
The output shows Thanks! show me slot machines remarkable there are 8 active flow-based WRED flows, that the maximum number of flows active at any time is 9, and that the maximum number of possible flows configured for the interface is 16: Router show interfaces serial 1 Serial1 is up, line protocol is up Hardware is HD64570 Internet address is 10.
The output is shown here: Router show interfaces dialer 0 Dialer0 is up, line protocol is up Hardware is Unknown Internet address is 10.
The following is sample output from the show interfaces dialer stats command: Router show interfaces dialer 0 stats Dialer0 Switching path Pkts In Chars In Pkts Out Chars Out Processor 0 0 6 1694 Route cache 2522229 610372530 720458 174343542 Total 2522229 610372530 720464 174345236 Examples In this example, the physical interface is the B1 channel of the BRI0 link.
This example also illustrates that the output under the B channel keeps all hardware counts that are not displayed under any logical or virtual access interface.
Hardware Hardware type for example, SPA-4FE-7304 and MAC address.
Description Alphanumeric string identifying the interface.
This appears only if the description interface configuration command has been configured on the interface.
Internet address Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface in kilobits per second.
RxBW Receiver bandwidth of the interface, in kilobits per second.
This value is displayed only when an interface has asymmetric receiver and transmitter rates.
DLY Delay of the interface in microseconds.
Encapsulation Encapsulation method assigned to the interface.
Keepalive Indicates whether keepalives are set, and the time interval.
Half-duplex, Full-duplex Indicates the duplex mode for the interface.
ARP type: Type of ARP assigned and the timeout period.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This field is not updated by fast-switched traffic.
Useful for knowing when a dead interface failed.
If that field overflows, asterisks are printed.
Note This field does not apply to SPA interfaces.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Therefore, it applies only to process-switched traffic.
Total output drops Total number of packets dropped because of a full output queue.
Queueing strategy Type of Layer 3 queueing active on this interface.
The default is first-in, first-out FIFO.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
For instance, any Ethernet packet that is smaller than 64 bytes is considered a runt.
For example, any Ethernet packet that is larger than 1536 bytes is considered a giant.
However, if you modify the maximum transmission unit MTU for the interface, this counter increments when you exceed the specified MTU for the interface.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Cyclic redundancy check generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different than the system buffers.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
Expiration happens when receiving a packet with a length greater than 2048 bytes.
This frame error counter is incremented for informational purposes only; the router accepts the frame.
Note that this may not balance with the sum of the enumerated output errors, because some datagrams may have more than one error and others may have errors that do not fall into any of the specifically tabulated show available slots cisco router />This is usually the result of an overextended LAN Ethernet or transceiver cable too long, more than two repeaters between stations, or too many cascaded multiport transceivers.
A packet that collides is counted only once in output packets.
This can happen if packets queued for transmission were not sent within several seconds.
Interface resets can occur when an interface is looped back or shut down.
Late collision happens when a collision occurs after transmitting the preamble.
Note This field does not apply to SPA interfaces.
The table below describes the fields shown in the display for Gigabit Ethernet SPA interfaces.
Hardware Hardware type for example, SPA-2GE-7304 and MAC address.
Backup interface Identifies the backup interface that exists for this, the primary interface.
Failure and secondary delay The period of time in seconds to delay bringing up the backup interface when the primary goes down, and bringing down the backup after the primary becomes active again.
On the Cisco 7600 router, the delay must be 0 the default to ensure that there is no delay between when the primary goes down and the backup comes up, and vice versa.
Standby mode Indicates that this is a backup interface and that it is currently operating in standby mode.
Description Alphanumeric string identifying the interface.
This appears only if the description interface configuration command has been configured on the interface.
Internet address Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface in kilobits per second.
DLY Delay of the interface in microseconds.
Encapsulation Encapsulation method assigned to the interface.
Keepalive Indicates whether keepalives are set, and the time interval.
Half-duplex, Full-duplex Indicates the duplex mode for the interface.
ARP type: Type of ARP assigned and the timeout period.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This field is not updated by fast-switched traffic.
Useful for knowing when a dead interface failed.
If that field overflows, asterisks are printed.
Note This field does not apply to SPA interfaces.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Therefore, it applies only to process-switched traffic.
Total output drops Total number of packets dropped because of a full output queue.
Queueing strategy Type of Layer 3 queueing active on this interface.
The default is FIFO.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
For instance, any Ethernet packet that is smaller than 64 bytes is considered a runt.
For example, any Ethernet packet that is larger than 1536 bytes is considered a giant.
However, if you modify the MTU for the interface, this counter increments when you exceed the specified MTU for the interface.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Cyclic redundancy check generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different than the system buffers.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
Expiration happens when receiving a packet with a length greater than 2048 bytes.
This frame error counter is incremented for informational purposes only; the router accepts the frame.
Note that this may not balance with the sum of the enumerated output errors, because some datagrams may have more than one error and others may have errors that do not fall into any of the specifically tabulated categories.
This is usually the result of an overextended LAN Ethernet or transceiver cable too long, more than two repeaters between stations, or too many cascaded multiport transceivers.
A packet that collides is counted only once in output packets.
This can happen if packets queued for transmission were not sent within several seconds.
Interface resets can occur when an interface is looped back or shut down.
Late collision happens when a collision occurs after transmitting the preamble.
Note This field does not apply to SPA interfaces.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
The calculation uses the value from the bandwidth interface configuration command.
Encapsulation Encapsulation method assigned to the interface.
Loopback Indicates whether loopbacks are set.
Keepalive Indicates whether keepalives are set.
Scramble Indicates whether SONET payload scrambling is enabled.
SONET scrambling is disabled by default.
For the POS SPAs on the Cisco 12000 series routers, scrambling is enabled by default.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output Number of hours, minutes, and seconds since the last packet was successfully transmitted by an interface.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output hang Number of hours, minutes, and seconds or never since the interface was last reset because of a transmission that took too long.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Queueing strategy FIFO queueing strategy other queueing strategies you might see are priority-list, custom-list, and weighted fair.
Output queue, drops input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because a queue was full.
Compare with number of packets ignored.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
Other input-related errors can also increment the count, so that this sum might not balance with the other counts.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a serial link, CRCs usually indicate noise, gain hits, or other transmission problems on the data link.
On a serial line, this is usually the result of noise or other transmission problems.
These buffers are different than the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be incremented.
Note that this might not balance with the sum of the enumerated output errors, because some datagrams can have more than one error, and others can have errors that do not fall into any of the specifically tabulated categories.
The system then invokes an interface reset.
This can happen if packets queued for transmission were not sent within a certain interval.
If the system notices that the carrier detect line of an interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets can also occur when an unrecoverable interface processor error occurred, or when an interface is looped back or shut down.
In the following example, for the line starting with Full Duplex, the interface port media type is: Virtual, not a physical media type such as RJ45.
This shows that the interface belongs to a cloud services router Cisco CSR 1000v Series Cloud Services Router CSR 1000v or Cisco Integrated Services Router ISRv.
Router show interfaces GigabitEthernet1 GigabitEthernet1 is up, line protocol is up Hardware is CSR vNIC, address is 000d.
Hardware type is SDCC--Section Data Communications Channel.
Internet address is Internet address and subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
The calculation uses the value from the bandwidth interface configuration command.
Encapsulation Encapsulation method assigned to the interface.
Loopback Indicates whether loopback is set.
Keepalive Indicates whether keepalives are set.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output Number of hours, minutes, and seconds since the last packet was successfully transmitted by an interface.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output hang Number of hours, minutes, and seconds or never since the interface was last reset because of a transmission that took too long.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Queueing strategy FIFO queueing strategy other queueing strategies you might see are priority-list, custom-list, and weighted fair.
Output queue, drops input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because a queue was full.
Compare with number of packets ignored.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
Other input-related errors can also increment the count, so that this sum might not balance with the other counts.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a serial link, CRCs usually indicate noise, gain hits, or other transmission problems on the data link.
On a serial line, this is usually the result of noise or other transmission problems.
These buffers are different than the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be incremented.
Note that this might not balance with the sum of the enumerated output errors, because some datagrams can have more than one error, and others can have errors that do not fall into any of the specifically tabulated categories.
This can happen if packets queued for transmission were not sent within a certain interval.
If the system notices that the carrier detect line of an interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets can also occur when an unrecoverable interface processor error occurred, or when an interface is looped back or shut down.
Note The fields appearing in the ouput will vary depending on card type, interface configuration, and the status of the interface.
If the line protocol is down, the local router has not received keepalive packets form the remote router.
Hardware is Designates the specific hardware type of the interface.
Internet address is The IP address of the interface.
MTU The maximum packet size set for the interface.
BW Bandwidth in kilobits per second.
DLY Interface delay in microseconds.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output Number of hours, minutes, and seconds since the last packet was successfully transmitted by an interface.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
If that field overflows, asterisks are printed.
Last clearing of show interface counters Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Total output drops Total number of dropped packets.
Queueing strategy FIFO queueing strategy other queueing strategies you might see are priority-list, custom-list, and weighted fair.
Output queue Number of packets in the output queue sizeand the maximum size of the queue max.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
Hardware Hardware type and MAC address.
Description Alphanumeric string identifying the interface.
This appears only if the description interface configuration command has been configured on the interface.
Internet address Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface in kilobits per second.
DLY Delay of the interface in microseconds.
Encapsulation Encapsulation method assigned to the interface.
Keepalive Indicates whether keepalives are set, and the time interval.
Half-duplex, Full-duplex Indicates the duplex mode for the interface.
Specifies if input flow control is on or off.
ARP type: Type of ARP assigned and the timeout period.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This field is not updated by fast-switched traffic.
Useful for knowing when a dead interface failed.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Therefore, it applies only to process-switched traffic.
Total output drops Total number of packets dropped because of a full output queue.
Queueing strategy Type of Layer 3 queueing active on this interface.
The default is FIFO.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
L2 Switched Provides statistics about Layer 2 switched traffic, including unicast and multicast traffic.
L3 in Switched Provides statistics about received Layer 3 traffic.
L3 out Switched Provides statistics about sent Layer 3 traffic.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Cyclic redundancy check generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different than continue reading system buffers.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
This frame error counter is incremented for informational purposes only; the router accepts the frame.
Note that this may not balance with the sum of the enumerated output errors, because some datagrams may have more than one error and others may have errors that do not fall into any of the specifically tabulated categories.
This is usually the result of an overextended LAN Ethernet or transceiver cable too long, more than two repeaters between stations, or too many cascaded multiport transceivers.
A packet that collides is counted only once in output packets.
This can happen if packets queued for transmission were not sent within several seconds.
Interface resets can occur when an interface is looped back or shut down.
Late collision happens when a collision occurs after transmitting the preamble.
This field occurs on several platforms such as the Cisco 3725, 3745, 3825, and 7507 series routers.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
Cisco IOS XE Release 2.
Usage Guidelines Note The Pkts Out and Chars Out fields display IPv6 packet counts only.
The Pkts In and Chars In fields display both IPv4 and IPv6 packet counts, except for tunnel interfaces.
For tunnel interfaces, the IPv6 input packets are counted as IPv6 packets only.
Due to hardware limitations on the ASIC, PFC IPv4 and IPv6 packets cannot be differentiated in the Pkts In and Chars In fields for IP count the IPv6 and IPv4 packets that are hardware forwarded.
The Pkts In and Chars In fields for IPv6 only count software-forwarded packets.
The IP Pkts Out and Chars Out fields show IPv4 packets, and the IPv6 Pkts Out and Chars Out fields show IPv6 packets.
The interface-number argument designates the module and port number.
Valid values for interface-number depend on the specified interface type and the chassis and module that are used.
The port channels from 257 to 282 are internally allocated and are supported on the CSM and the FWSM only.
If you do not enter any keywords, all counters for all modules are displayed.
Pkts In For IP it is the number of IPv4 software switched, IPv4 and IPv6 hardware switched packets received for the specified protocol.
For IPv6 it is the number of IPv6 software switched packets received for the specified protocol.
Chars In For IP it is the number of IPv4 software switched, IPv4 and IPv6 hardware switched characters received for the specified protocol.
For IPv6 it is the number of IPv6 software switched characters received for the specified protocol.
Pkts Out For IP it is the number of IPv4 sofware and hardware switched packets transmitted for the specified protocol.
For IPv6 it is the number of IPv6 sofware and hardware switched packets transmitted for the specified protocol.
Chars Out For IP it is the number of IPv4 software and hardware switched characters transmitted for the specified protocol.
For IPv6 it is the number of IPv6 software and hardware switched characters transmitted for the specified protocol.
Related Commands Command Description show interfaces Displays the status and statistics for the interfaces in the chassis.
For NAM, always use 0.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
Usage Guidelines The analysis module interface is a Fast Ethernet interface on the router that connects to the internal interface on the Network Analysis Module NM-NAM.
Examples The command in the following example displays status, traffic data, and configuration information about the analysis module interface when the NM-NAM is installed in slot 2 of a Cisco 3745.
The analysis module interface is the router-side interface for the internal Ethernet segment between the router and the NAM network module.
MTU Maximum transmission unit MTU of the analysis module interface.
https://casino-money-spin.website/show/slot-club-comedy-shows-london.html Bandwidth of the interface, in kbps.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to the interface.
Keepalive Indicates whether or not keepalives are set and the interval between keepalives if they have been set.
ARP Timeout Type of Address Resolution Protocol ARP assigned and length of timeout.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by the interface and processed locally on the router.
This field is useful for detecting when a dead interface failed.
Note This field is not updated by fast-switched traffic.
This field is useful for detecting when a dead interface failed.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Input queue Number of packets in the input queue.
Each number is followed by a slash, the maximum size of the queue, the number of packets dropped because of a full queue, and the number of times that queued packets have been discarded.
Total output drops Number of packets in the output queue that have been dropped because of a full queue.
Queueing strategy Queueing strategy applied to the interface, which is configurable under the interface.
The default is FIFO first-in, first-out.
Output queue Number of packets in the output queue, and the maximum size of the queue.
Each number is followed by a slash.
If the interface is not in promiscuous mode, it senses network traffic that it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within 2 percent of the instantaneous rate of a uniform stream of traffic over that period.
Note The 5-minute period referenced in this output is a load interval that is configurable under the interface.
The default value is 5 minutes.
Compare with ignored count.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
For instance, any Ethernet packet that is less than 64 bytes is considered a runt.
For example, any Ethernet packet that is greater than 1518 bytes is considered a giant.
Other visit web page errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Errors created when the CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station that is transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different from system buffer space described.
Broadcast storms and bursts of noise can cause the ignored count to increase.
Dribble bit error indicates that a frame is slightly too long.
This frame error counter is incremented just for informational purposes; the router accepts the frame.
This may never be reported on some interfaces.
Note that this may not balance with the sum of the enumerated output errors, because some datagrams may have more than one error, and others may have errors that do not fall into any of the specifically tabulated categories.
This is usually the result of an overextended LAN Ethernet or transceiver cable too long, more than two repeaters between stations, or too many cascaded multiport transceivers.
A packet that collides is counted only once in output packets.
This can happen if packets that were queued for transmission were not sent within several seconds.
On a serial line, this can be caused by a malfunctioning modem that is not supplying the transmit clock signal or by a cable problem.
If the system notices that the carrier detect line of a serial interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets game shows applications tv money on also occur when an interface is looped back or shut down.
A collision becomes a late collision when it occurs after the preamble has been transmitted.
Related Commands Command Description show controllers analysis-module Displays controller information for the analysis module interface.
Command Default This command has no default settings.
Examples The following example shows BDI configuration output: Router show interfaces BDI3 asr2 sh int bdi3 BDI3 is up, line protocol is up Hardware is BDI, address is cafe.
Command Default This command has no default settings.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
Usage Guidelines The posatmand ge-wan keywords are supported on Cisco 7600 series routers that are configured with a Supervisor Engine 2 The interface-numberargument designates the module and port number.
Valid values for interface-number depend on the chassis and module just click for source are used.
The port-channel values are from 0 to 282; values from 257 to 282 are supported on the CSM and the FWSM only.
For CE network modules, always use 0.
Command Modes Privileged EXEC Command History Release Modification 12.
Usage Guidelines The output for this command contains the basic configuration for the interface, as well as the number of packets transmitted, output rate, and so forth.
Examples The following example displays interface status and data for the CE network module in slot 1 for Cisco 2600 series routers except the Cisco 2691.
Note that the bandwidth is 10 Mbps.
This example shows the 100-Mbps bandwidth of a Cisco 2691 and all the other supported routers except the remainder of the Cisco 2600 series.
MTU Maximum transmission unit MTU of the content engine interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to the interface.
Keepalive Indicates whether keepalives are set and the interval between keepalives if they have been set.
Timeout Type of Address Resolution Protocol ARP assigned and length of timeout.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by the interface and processed locally on the router.
This field is useful for detecting when a dead interface failed.
Note This field is not updated by fast-switched traffic.
This field is useful for detecting when a dead interface failed.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
A time of all zeroes 0:00:00 indicates that the counters were cleared more than 231 ms and less than 232 ms ago.
Input queue Number of packets in the input queue.
Each number is followed by a slash, the maximum size of the queue, the number of packets dropped because of a full queue, and the number of times that queued packets have been discarded.
Total output drops Number of packets in the output queue that have been dropped because of a full queue.
Queueing strategy Queueing strategy applied to the interface, which is configurable under the interface.
The default is FIFO.
Output queue Number of packets in the output queue.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
If the interface is not in promiscuous mode, it senses network traffic that it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within 2 percent of the instantaneous rate of a uniform stream of traffic over that period.
Note The 5-minute period referenced in this output is a load interval that is configurable under the interface.
The default value is 5 minutes.
Compare with ignored count.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
For instance, any Ethernet packet that is less than 64 bytes is considered a runt.
For example, any Ethernet packet that is greater than 1518 bytes is considered a giant.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Errors created when the CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station that is transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different from system buffer space described.
Broadcast storms and bursts of noise can cause the ignored count to increase.
Dribble bit error indicates that a frame is slightly too long.
This frame error counter is incremented just for informational purposes; the router accepts the frame.
This may never be reported on some interfaces.
Note that this may not balance with the sum of the enumerated output errors, because some datagrams may have more than one error, and others may have errors that do not fall into any of the specifically tabulated categories.
This is usually the result of an overextended LAN Ethernet or transceiver cable too long, more than two repeaters between stations, or too many cascaded multiport transceivers.
A packet that collides is counted only once in output packets.
This can happen if packets that were queued for transmission were not sent within several seconds.
On a serial line, this can be caused by a malfunctioning modem that is not supplying the transmit clock signal or by a cable problem.
If the system notices that the carrier detect line of a serial interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets can also occur when an interface is looped back or shut down.
A collision becomes a late collision when it occurs after the preamble has been transmitted.
Related Commands Command Description interface content-engine Configures an interface for a CE network module and enters interface configuration mode.
Command Default This command has no default settings.
Usage Guidelines Use the show interfaces counters nonzero command to get the counter information for ports which have non zero values.
Examples The following example shows the output of show interfaces counters nonzero command.
The output is displayed only if any one of the counters is non zero.
The counters are checked for all the ports present in the router.
Command Modes Privileged EXEC Command History Release Modification 12.
Support in a specific 12.
Usage Guidelines For the show interfaces ctunnel command, all output that relates to a physical medium is irrelevant and should be ignored because the CTunnel is a virtual interface.
Examples The following is sample output from the show interfaces ctunnel command: Router show interfaces ctunnel 1 CTunnel1 is up, line protocol is up Hardware is CTunnel Internet address is 10.
Shows interface is administratively down if disabled.
Shows line protocol down if no route is available, or if the route would be recursive.
Hardware Type of interface, in this instance CTunnel.
Internet address IP address of the interface.
MTU Maximum transmission unit of the interface.
BW Bandwidth, as specified by the user, that is available on the link.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method is always TUNNEL for tunnels.
Loopback Shows whether loopback is set or not.
Keepalive Shows whether keepalives are set or not.
Tunnel destination The NSAP address of the tunnel destination.
The N-Selector part of the displayed NSAP address is set by the router and cannot be changed.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Queueing strategy Type of queueing active on this interface.
Output queue, drops Input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
Five minute input rate, Five minute output rate Average number of bits and packets transmitted per second in the last 5 minutes.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of 4 time constants must pass before the average will be within 2 percent of the instantaneous rate of a uniform stream of traffic over that period.
CRC This field does not apply to the CTunnel virtual interface.
The interface may be reset manually by the administrator or automatically by the system when an internal error occurs.
Related Commands Command Description show interfaces Displays the statistical information specific to interfaces.
Command Default This command has no default settings.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
Usage Guidelines The posatmand ge-wan keywords are supported on Cisco 7600 series routers that are configured with a Supervisor Engine 2.
The debounce timer is not supported on the 10-Gigabit Ethernet module WSX-6502-10GE.
The interface-number argument designates the module and port number.
Valid values for interface-number depend on the specified interface type and the chassis and module that are used.
The port-channel values are from 0 to 282; values from 257 to 282 are supported on the CSM and the FWSM only.
Command Default This command has no default settings.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
If you specify a range of ports, the range must consist of the same slot and port type.
The port-channel values are from 0 to 282; values from 257 to 282 are supported on the CSM and the FWSM only.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for information about port adapter compatibility.
Limits the display of switch port information to the specified VLAN.
Range: 1 to 4094.
Command Modes Privileged EXEC Command History Release Modification 10.
Support in a specific 12.
Usage Guidelines If you do not provide values for the numberargument or slot, port, and port-adapter argumentsthe command displays statistics for all network interfaces.
The optional keyword accounting displays the number of packets of each protocol type that have been sent through the interface.
Cisco IOS Release 12.
Examples The following is sample output from the show interfaces ethernet command for Ethernet interface 0: Router show interfaces ethernet 0 Ethernet0 is up, line protocol is up Hardware is Lance, address is 0060.
Hardware Hardware type for example, MCI Ethernet, SCI, cBus Ethernet and address.
Internet address Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to interface.
ARP type: Type of Address Resolution Protocol assigned.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface video slot big win youtube />This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output Number of hours, minutes, and seconds since the last packet was successfully transmitted by an interface.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Useful for knowing when a dead interface failed.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Output queue, input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The five-minute input and output rates should be used only as an approximation of traffic per second during a given five-minute period.
These rates are exponentially weighted averages with a time constant of five minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
Compare with ignored count.
Broadcast storms on Ethernet networks and bursts of noise on serial lines are often responsible for no input buffer events.
For instance, any Ethernet packet that is less than 64 bytes is considered a runt.
For example, any Ethernet packet that is greater than 1518 bytes is considered a giant.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different than the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
This frame error counter is incremented just for informational purposes; the router accepts the frame.
This may never be reported on some interfaces.
Note that this may not balance with the sum of the enumerated output errors, as some datagrams may have more than one error, and others may have errors that do not fall into any of the specifically tabulated categories.
A packet that collides is counted only once in output packets.
This can happen if packets queued for transmission were not sent within several seconds.
On a serial line, this can be caused by a malfunctioning modem that is not supplying the transmit clock signal, or by a cable problem.
If the system notices that the carrier detect line of a serial interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets can also occur when an interface is looped back or shut down.
Late collision happens when a collision occurs after transmitting the preamble.
The most common cause of late collisions is that your Ethernet cable segments are too long for the speed at which you are transmitting.
Pkts In Number of packets received for that protocol.
Chars In Number of characters received for that protocol.
Pkts Out Number of packets transmitted for that protocol.
Chars Out Number of characters transmitted for that protocol.
Examples The following is sample output from the show interfaces ethernet command for VLAN 2: Router show interfaces ethernet vlan 2 show interfaces fastethernet To display information about the Fast Ethernet interfaces, use the show interfaces fastethernet command in user EXEC or privileged EXEC mode.
On a Cisco 4700 series routers, specifies the network interface module NIM or NPM number.
The numbers are assigned at the factory at the time of installation or when added to a system.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for information about port adapter compatibility.
Command Modes User EXEC Privileged EXEC Command History Release Modification 11.
Support in a specific 12.
Examples The following is sample output from the show interfaces fastethernet command on a Cisco 4700 series router: Router show interfaces fastethernet 0 Fast Ethernet0 is up, line protocol is up Hardware is DEC21140, address is 0000.
Hardware Hardware type for example, MCI Ethernet, SCI, cBus Ethernet and address.
Internet address Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to interface.
ARP type Type of Address Resolution Protocol assigned.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Output queue, input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network just click for source />The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
Compare with ignored count.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
For instance, any Ethernet packet that is less than 64 bytes is considered a runt.
For example, any Ethernet packet that is greater than 1518 bytes is considered a giant.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device source not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different than the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
It happens when receiving a packet with length greater than 2048.
This frame error counter is incremented show available slots cisco router for informational purposes; the router accepts the frame.
This may never be reported on some interfaces.
Note that this may not balance with the sum of the enumerated output errors, as some datagrams may have more than one error, and others may have errors that do not fall into any of the specifically tabulated categories.
A packet that collides is counted only once in output packets.
This can happen if packets queued for transmission were not sent within several seconds.
On a serial line, this can be caused by a malfunctioning modem that is not supplying the transmit clock signal, or by a cable problem.
If the system notices that the carrier detect line of a serial interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets can also occur when an interface is looped back or shut down.
Late collision happens when a collision occurs after transmitting the preamble.
The most common cause of late collisions is that your Ethernet cable segments are too long for the speed at which you are transmitting.
Hardware Hardware type for example, MCI Ethernet, SCI, cBus Ethernet and address.
Internet address Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to interface.
ARP type Type of Address Resolution Protocol assigned.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Useful for knowing when a dead interface failed.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Output queue, input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
If the interface is not in promiscuous mode, it senses network traffic it sends and receives rather than all network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
Compare with ignored count.
Broadcast storms on Ethernets and bursts of noise on serial lines are often responsible for no input buffer events.
For instance, any Ethernet packet that is less than 64 bytes is considered a runt.
For example, any Ethernet packet that is greater than 1518 bytes is considered a giant.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error; therefore, this sum may not balance with the sum of enumerated input error counts.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
These buffers are different than the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
This frame error counter is incremented for informational purposes; the router accepts the frame.
This may never be reported on some interfaces.
Note that this may not balance with the sum of the enumerated output errors, as some datagrams may have more than one error, and others may have errors that do not fall into any of the specifically tabulated categories.
A packet that collides is counted only once in output packets.
This can happen if packets queued for transmission were not sent within several seconds.
On a serial line, this can be caused by a malfunctioning modem that is not supplying the transmit clock signal, or by a cable problem.
If the system notices that the carrier detect line of a serial interface is up, but the line protocol is down, it periodically resets the interface in an effort to restart it.
Interface resets can also occur when an interface is looped back or shut down.
Late collision happens when a collision occurs after transmitting the preamble.
The most common cause of late collisions is that your Ethernet cable segments are too long for the speed at which you are transmitting.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for information about port adapter compatibility.
Command Modes User EXEC Privileged EXEC Command History Release Modification 10.
Support in a specific 12.
Hardware Provides the hardware type, followed by the hardware address.
Internet address IP address, followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to interface.
ARP type Type of Address Resolution Protocol assigned.
FDX Displays full-duplex information.
Values are: not supported or supported.
When the value is supported, the display indicates whether full-duplex is enabled or disabled.
When enabled, the state of the FDX negotiation process is displayed.
The negotiation states only relate to the full-duplex negotiation process.
You must also ensure that the interface is up and working by looking at other fields in the show interfaces fddi command such as line protocol and RMT.
If persistent, it could mean that the interface did not meet all negotiation conditions for example, there are more than two stations in the ring.
If persistent, it could mean that the remote interface does not support show available slots cisco router or full-duplex is not enabled on the interface.
Phy-{A B} Lists the state the Physical A or Physical B connection is in; one of the following: off, active, trace, connect, next, signal, join, verify, or break.
The bits received during the CMT signaling process indicate that the neighbor is a Physical A type dual attachment station DAS or concentrator that attaches to the primary ring IN and the secondary ring OUT when attaching to the dual ring.
The transmitted bits are 0x008 for a Physical A type and 0x20C for Physical B type.
If the connection is not active, the received bits are zero 0 ; see the line beginning Phy-B in the display.
This applies to FIP interfaces only.
The normal states for a connected Physical type are ILS or ALS.
If the report displays the QLS status, this indicates that the fiber is disconnected from Physical B, or that it is not connected to another Physical type, or that the other station is not running.
ECM is the SMT entity coordination management, which overlooks the operation of CFM and PCM.
This is the normal state for a connected router.
Contains information about the current state of the MAC connection.
Data is received on Physical A and transmitted on Physical A.
Data learn more here received on Physical B and transmitted on Physical B.
Data is received on Physical S and transmitted on Physical S.
This is the normal mode for a single attachment station SAS.
Data is received on Physical A and transmitted on Physical B.
This is the normal mode for a dual attachment station DAS with one MAC.
The ring has been operational for 1 minute and 42 seconds.
RMT Ring Management is the SMT MAC-related state machine.
This is the initial state.
This is the normal state while the MAC is connected to the ring.
Duplicate address conditions are being checked.
Ring is not operational.
Ring is operational in this state.
This value show available slots cisco router used by all stations on the ring.
The default is 5000 microseconds.
For FDDI full-duplex, this indicates the value in use prior to entering full-duplex operation.
Operational times are displayed by the number of hours:minutes:seconds the ring has been up.
Configured tvx Transmission timer.
LER Link error rate.
Upstream downstream neighbor Displays the canonical MAC address of outgoing upstream and downstream neighbors.
If the address is unknown, the value will be the FDDI unknown address 0x00 00 f8 00 00 00.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Queueing strategy First-in, first-out queueing strategy other queueing strategies you might see are priority-list, custom-list, and weighted fair.
Output queue, input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
The five-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average will be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
Compare with ignored count.
Broadcast storms on Ethernet networks and bursts of noise on serial lines are often responsible for no input buffer events.
CRC Cyclic redundancy checksum generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
On an FDDI LAN, this also can be the result of a failing fiber cracks or a hardware malfunction.
These buffers are different from the system buffers mentioned previously in the buffer description.
Broadcast storms and bursts of noise can cause the ignored count to be increased.
Note that this might not balance with the sum of the enumerated output errors, because some datagrams can have more than one error, and others can have errors that do not fall into any of the specifically tabulated categories.
The interface may be reset by the administrator or automatically when an internal error occurs.
A large number of transitions indicates a problem with the ring or the interface.
Indicates the number of times this interface started a trace.
Indicates the number of times this interface has been in claim state.
Indicates the number of times the interface has been in beacon state.
The following is sample output that includes the accounting option.
When you use the accounting option, only the accounting statistics are displayed.
Pkts In Number of packets received for that protocol.
Chars In Number of characters received for that protocol.
Pkts Out Number of packets transmitted for that protocol.
Chars Out Number of characters transmitted for that protocol.
Optional Limits the display of switch port information to the specified VLAN.
Range: 1 to 4094 Command Default This command has no default settings.
Command Modes User EXEC Privileged EXEC Command History Release Modification 12.
Usage Guidelines The posatmand ge-wan keywords are supported on systems that are configured with a Supervisor Engine 2 The modargument designates the module and port number.
Valid values for mod depend on the chassis and module that are used.
The module number keyword and argument designate the module number and limit the display to interfaces on the module.
Valid values depend on the chassis that is used.
For example, if you have a 13-slot chassis, valid values for the module number are from 1 to 13.
The port-channel values are from 0 to 282; values from 257 to 282 are supported on the CSM and the FWSM only.
Cisco IOS Release 12.
Send admin Flow-control operation for admin state.
Possible settings: on indicates that the local port is allowed to send pause frames to remote ports; off indicates that the local port is prevented from sending pause frames to remote ports; desired indicates predictable results whether a remote port is set to receive onreceive offor receive desired.
Send oper Current flow-control operation.
Possible settings: on indicates that the local port is allowed to send pause frames to remote ports; off indicates that the local port is prevented from sending pause frames to remote ports; desired indicates predictable results whether a remote port is set to receive onreceive off https://casino-money-spin.website/show/new-monopoly-slot-game-show.html, or receive desired.
Receive admin Flow-control operation for admin state.
Possible settings: on indicates that the local port is allowed to process pause frames that a remote port sends; off indicates that the local port is prevented from sending pause frames to remote ports; desired indicates predictable results whether a remote port is set to send onsend study shows money can buy happinessor send desired.
Receive oper Current flow-control operation.
Possible settings: on indicates that the local port is allowed to process pause frames that a remote port sends; off indicates that the local port is prevented from sending pause frames to remote ports; desired indicates predictable results whether a remote port is set to send onsend offor send desired.
RxPause Number of pause frames that are received.
TxPause Number of pause frames that are transmitted.
Related Commands Command Description flowcontrol Configures a port to send or receive pause frames.
Refer to the appropriate hardware manual for slot information.
For SPA Interface Processors SIPsrefer to the platform-specific SPA hardware installation guide or the platform-specific SPA software configuration guide.
Refer to the platform-specific SPA hardware installation guide or the platform-specific SPA software configuration guide for subslot information.
Refer to the appropriate hardware manual for port information.
For SPAs, refer to the platform-specific SPA software configuration guide.
Command Modes Privileged EXEC Command History Release Modification 11.
The subslot argument was also added.
Cisco IOS XE Release 2.
Therefore, some additional output fields might appear in your video slot big win youtube interfaces command output.
For more information about these fields, see the show interfaces command description in the Cisco IOS Interface and Hardware Component Command Reference document at: The following table describes the significant fields shown in the displays: Table 24.
Hardware Hardware type, for example, SPA-2GE-7304, and MAC address.
Description Alphanumeric string identifying the interface.
It is displayed only if the description interface configuration command has been configured on the interface.
Internet address Internet address followed by the subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits, per second.
DLY Delay in the interface, in microseconds.
Encapsulation Encapsulation method assigned to the interface.
Keepalive Indicates whether or not keepalives are set, and the time interval.
Half-duplex, Full-duplex Indicates the duplex mode of the interface.
ARP type Type of Address Resolution Protocol ARP assigned, and the timeout period.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by the interface and processed locally on a router.
Useful for knowing when a dead interface failed.
This field is not updated by fast-switched traffic.
Useful for knowing when a dead interface failed.
If that field overflows, asterisks are displayed.
Note This field does not apply to the SPA interfaces.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in the report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Therefore, it only applies to process-switched traffic.
Total output drops Total number of packets dropped because of a full output queue.
Queueing strategy Type of Layer 3 queueing active on this interface.
The default is first-in, first-out FIFO.
If the interface is not in the promiscuous mode, it senses the network traffic it sends and receives rather than all the network traffic.
The 5-minute input and output rates should be used only as an approximation of traffic per second during a given 5-minute period.
These rates are exponentially weighted averages with a time constant of 5 minutes.
A period of four time constants must pass before the average can be within two percent of the instantaneous rate of a uniform stream of traffic over that period.
For instance, any Ethernet packet that is smaller than 64 bytes is considered a runt.
For example, any Ethernet packet that is larger than 1536 bytes is considered a giant.
However, if you modify the maximum transmission unit MTU for the interface, this counter increments when you exceed the specified MTU for the interface.
Other input-related errors can also cause the input errors count to be increased, and some datagrams may have more than one error.
Therefore, this sum may not balance with the sum of enumerated input error counts.
Note The oversubscription counters are included only on the Cisco ASR 1000 Series Aggregation Services Routers.
CRC Cyclic redundancy check generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself.
A high number of CRCs is usually the result of collisions or a station transmitting bad data.
On a LAN, this is usually the result of collisions or a malfunctioning Ethernet device.
The overrun also includes the interface oversubscription counters.
Note The interface oversubscription counters are included only on the Cisco ASR 1000 Series Aggregation Services Routers.
These buffers are different from the system buffers.
Broadcast storms and bursts of noise may cause the ignored count to be increased.
Expiration occurs when receiving a packet with a length that is greater than 2048 bytes.
This frame error counter is incremented for informational purposes only; the router accepts the frame.
Note that this may not balance with the sum of the enumerated output errors because some datagrams may have more than one error and others may have errors that do not fall into any of the specifically tabulated categories.
This is usually the result of an overextended LAN, for example, an Ethernet or transceiver cable that is too long, more than two repeaters between stations, or too many cascaded multiport transceivers.
A packet that collides is counted only once in output packets.
This may occur if packets that are queued for transmission were not sent within several seconds.
Interface resets may occur when an interface is looped back or shut down.
Late collision occurs when a collision takes place after the preamble is transmitted.
Note This field does not apply to SPA interfaces.
Examples Related Commands Command Description show controllers gigabitethernet Displays Gigabit Ethernet interface information, transmission statistics and errors, and applicable MAC destination address and VLAN filtering tables.
Refer to the appropriate hardware manual for slot and port information.
Refer to the appropriate hardware manual for slot and port information.
Command Modes Privileged EXEC Command History Release Modification 10.
Support in a specific 12.
Examples The following is sample output from the show interfaces hssi command when HSSI is enabled: Router show interfaces hssi 0 HSSI 0 is up, line protocol is up Hardware is cBus HSSI Internet address is 10.
Hardware Specifies the slot show me machine game the type.
Internet address Lists the Internet address followed by subnet mask.
MTU Maximum transmission unit of the interface.
BW Bandwidth of the interface, in kilobits per second.
DLY Delay of the interface, in microseconds.
Encapsulation Encapsulation method assigned to interface.
Last input Number of hours, minutes, and seconds since the last packet was successfully received by an interface and processed locally on the router.
Useful for knowing when a dead interface failed.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
Last output Number of hours, minutes, and seconds since the last packet was successfully transmitted by an interface.
This counter is updated only when packets are process-switched, not when packets are fast-switched.
If that field overflows, asterisks are printed.
Last clearing Time at which the counters that measure cumulative statistics such as number of bytes transmitted and received shown in this report were last reset to zero.
Note that variables that might affect routing for example, load and reliability are not cleared when the counters are cleared.
Output queue, drops Input queue, drops Number of packets in output and input queues.
Each number is followed by a slash, the maximum size of the queue, and the number of packets dropped because of a full queue.
Five minute input rate, Five minute output rate Average number of bits and packets transmitted per second in the last 5 minutes.
Compare with ignored count.
Broadcast storms on Ethernet networks and bursts of noise on serial lines are often responsible for no input buffer events.
When this happens, the HSSI shuts down its receiver and waits until a buffer is available.
Data is not lost unless a packet comes in and overflows the HSSI FIFO.
A receive disabled condition can happen in systems that are under heavy traffic load and that have shorter packets.
In this situation, the number of buffers available on the ciscoBus controller is at a premium.
One way to alleviate this problem is to reduce the maximum transmission unit MTU on the HSSI interface from 4500 FDDI size to 1500 Ethernet size.
Doing so allows the software to take the fixed memory of the ciscoBus controller and divide it into a larger number of smaller buffers, rather than a small number of large buffers.
Receive disables are not errors, so they are not included in any error counts.
This may not balance with the sum of the enumerated output errors, because some datagrams may have more than one error and others may have errors that do not fall into any of the specifically tabulated categories.
CRC Cyclic redundancy checksum CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received.
On a LAN, this usually indicates noise or transmission problems on the LAN interface or the LAN bus itself. show available slots cisco router show available slots cisco router show available slots cisco router show available slots cisco router show available slots cisco router show available slots cisco router

Cisco IOS CLI for beginners - Part 1



Solved: show available memory on 2911 router - Cisco Community Show available slots cisco router

Cisco Learning Home: Unsupported Browser Show available slots cisco router

dram, ram, nvram and flash LESTER Jul 28, 2015 3:41 PM As usual, doing some practice for the CCNA 2, I encountered that on Lab 4.1.4.6 it asks for the amount of RAM and Flash memory a Cisco Router 1941 has.
The Cisco 7206VXR operates as either a tabletop or a rack-mounted unit. Maximum bit wizard of odds free slots rate as % of nominal bit rate = not specified *****#show hw-module subslot 0/0 transceiver 1 idprom IDPROM for NAME:Router# cisco show hardware slots show environment Warning:
show processes Command. The show processes exec command displays your router's CPU utilization and a list of active processes along with their corresponding process ID, priority, scheduler test (status), CPU time used, number of times invoked, and so on.

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