Monitoring Interface Status; Clearing And Resetting Interfaces And Counters; Table - Cisco Catalyst 2975 Software Configuration Manual

Monitoring and Maintaining the Interfaces

Monitoring Interface Status

Commands entered at the privileged EXEC prompt display information about the interface, including
the versions of the software and the hardware, the configuration, and statistics about the interfaces.

Table 12-4

commands by using the show ? command at the privileged EXEC prompt.) These commands are fully
described in the Cisco IOS Interface Command Reference, Release 12.2 from the Cisco.com page under
Documentation > Cisco IOS Software > 12.2 Mainline > Command References.
Table 12-4 Show Commands for Interfaces
Command
show interfaces [interface-id]
show interfaces interface-id status [err-disabled]
show interfaces [interface-id] switchport
show interfaces [interface-id] description
show ip interface [interface-id]
show interface [interface-id] stats
show interfaces transceiver properties
show interfaces [interface-id] [{transceiver
properties | detail}] module number]
show running-config interface [interface-id]
show version
show controllers ethernet-controller interface-id
phy
show power inline police

Clearing and Resetting Interfaces and Counters

Table 12-5
interfaces.
Table 12-5 Clear Commands for Interfaces
Command
clear counters [interface-id]
clear interface interface-id
clear line [number | console 0 | vty number]
Catalyst 2975 Switch Software Configuration Guide
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lists some of these interface monitoring commands. (You can display the full list of show
Purpose
(Optional) Display the status and configuration of all interfaces or a
specific interface.
(Optional) Display interface status or a list of interfaces in an
error-disabled state.
(Optional) Display administrative and operational status of switching
ports.
(Optional) Display the description configured on an interface or all
interfaces and the interface status.
(Optional) Display the usability status of all interfaces configured for
IP routing or the specified interface.
(Optional) Display the input and output packets by the switching path
for the interface.
(Optional) Display speed and duplex settings on the interface.
Display physical and operational status about an SFP module.
Display the running configuration in RAM for the interface.
Display the hardware configuration, software version, the names and
sources of configuration files, and the boot images.
Display the operational state of the auto-MDIX feature on the
interface.
Display the power policing data.
lists the privileged EXEC mode clear commands that you can use to clear counters and reset
Purpose
Clear interface counters.
Reset the hardware logic on an interface.
Reset the hardware logic on an asynchronous serial line.
Chapter 12 Configuring Interface Characteristics
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