Command Reference Guide

184 ● loopback 3Com Router 5000 Family and Router 6000 Family
Command Reference
loopback
Purpose Use the loopback command to set the loopback mode on the interface.
Use the
undo loopback command to restore the default.
Syntax loopback { local | remote | payload }
undo loopback
Parameters local
Places the local physical layer in a local loopback.
remote
Places the local physical layer in a remote loopback.
payload
Places the local physical layer in a payload loopback.
Example Place the local physical layer of interface E1 1/0 in a local loopback.
[Router-E1 1/0/0] loopback local
View This command can be used in the following views:
■ CE1/PRI interface view