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Chapter 9
Configuring Interface Characteristics
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 9-3
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.
Table 9-3
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
Clearing and Resetting Interfaces and Counters
Table 9-4
interfaces.
Table 9-4
Clear Commands for Interfaces
Command
clear counters [interface-id]
clear interface interface-id
clear line [number | console 0 | vty number]
OL-8915-03
lists some of these interface monitoring commands. (You can display the full list of show
Purpose
Display the status and configuration of all interfaces or a specific
interface.
Display interface status or a list of interfaces in an error-disabled state.
Display administrative and operational status of switching
(nonrouting) ports. You can use this command to find out if a port is in
routing or in switching mode.
Display the description configured on an interface or all interfaces and
the interface status.
Display the usability status of all interfaces configured for IP routing
or the specified interface.
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 bootup images.
Display the operational state of the auto-MDIX feature on the
interface.
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.
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
Monitoring and Maintaining the Interfaces
9-23
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