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Cisco MGX 8850 Routing Switch Command Reference
Release 2.0, Part Number 78-10467-04 Rev C0, October 2001
Chapter 9 Troubleshooting Commands
addchanloop
Related Commands
delchanloop, dspchanloop
Tabulates
Example
Add a loopback on the connection with VPI/VCI of 1 50 on logical port 4. No message is returned unless
an error occurs in command execution (such as an attempt to add a channel loopback to a connection
that already has a loopback).
pop20two.1.AXSM.a > addchanloop 4 1 50
Check for the presence of the loopback by displaying all channel loopbacks on port 4.
pop20two.1.AXSM.a > dspchanloop 4
Port Type lVPI lVCI rVPI rVCI
4 igrLpbk 1 50 0 35
vci The VCI of the connection. The range is 32–65535.
loopback
mode
The mode of the loopback is the direction.
• 1 = the ingress direction.
• 2 = the egress direction.
Log: log State: active, standby Privilege: SERVICE_GP
