Interpreting the show interface Command


Router#show interface serial 0/0

Displays status and stats of interface

Serial 0/0 is up, line protocol is up

First part refers to physical status. Second part refers to logical status

...<output cut>...

 

Possible output results:

 

Serial 0/0 is up, line protocol is up

Interface is up and working

Serial 0/0 is up, line protocol is down

Keepalive or connection problem (no clockrate, bad encapsulation)

Serial 0/0 is down, line protocol is down

Interface problem, or other end has not been configured

Serial 0/0 is administratively down, line protocol is down

Interface is disabledshut down





CCNA Self-Study(c) CCNA Portable Command Guide
CCNA Portable Command Guide
ISBN: 1587201585
EAN: 2147483647
Year: 2006
Pages: 261
Authors: Scott Empson

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