You want to check the status of an interface.
interfaces command to see the
status of the
interfaces on the router. With no options, this command shows the status of all interfaces on the router:
You can also look at the status for a particular interface:
If you want shorter summaries of the status, use one of these command versions:
show interfaces briefaviva@router1>
show interfaces terse
For maximum information for debugging purposes, use one of these commands:
show interfaces detailaviva@router1>
show interfaces extensive
Because the operation of the router revolves around the network interfaces, you often need to get information about the interfaces to check status or to troubleshoot a router or network problem. The basic commands for doing this are variations of the
show interfaces command. To just find out what PICs are installed and which interfaces are configured, use the
show interfaces terse command (see Recipe 7.12). For basic information about the physical and logical interface settings, use the
show interfaces command, or for an abridged view, use the
show interfaces brief command. The
show interfaces detail command adds traffic statistics and queue counters, and the
show interfaces extensive command adds alarms, error statistics, and additional counters.
The output of these commands varies depending ...