Cisco WS-C3020 - Monitoring Interface Status; Clearing and Resetting Interfaces and Counters

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Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
OL-8915-03
Chapter 9 Configuring Interface Characteristics
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 9-3 lists some of these interface monitoring commands. (You can display the full list of show
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.
Clearing and Resetting Interfaces and Counters
Table 9-4 lists the privileged EXEC mode clear commands that you can use to clear counters and reset
interfaces.
Table 9-3 Show Commands for Interfaces
Command Purpose
show interfaces [interface-id] Display the status and configuration of all interfaces or a specific
interface.
show interfaces interface-id status [err-disabled] Display interface status or a list of interfaces in an error-disabled state.
show interfaces [interface-id] switchport 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.
show interfaces [interface-id] description Display the description configured on an interface or all interfaces and
the interface status.
show ip interface [interface-id] Display the usability status of all interfaces configured for IP routing
or the specified interface.
show interface [interface-id] stats Display the input and output packets by the switching path for the
interface.
show interfaces transceiver properties (Optional) Display speed and duplex settings on the interface.
show interfaces [interface-id] [{transceiver
properties | detail}] module number]
Display physical and operational status about an SFP module.
show running-config interface [interface-id] Display the running configuration in RAM for the interface.
show version Display the hardware configuration, software version, the names and
sources of configuration files, and the bootup images.
show controllers ethernet-controller interface-id
phy
Display the operational state of the auto-MDIX feature on the
interface.
Table 9-4 Clear Commands for Interfaces
Command Purpose
clear counters [interface-id] Clear interface counters.
clear interface interface-id Reset the hardware logic on an interface.
clear line [number | console 0 | vty number] Reset the hardware logic on an asynchronous serial line.