Kostis Netzwerkberatung
Konstantinos Kostis
Talstr. 25, D-63322 Rödermark
Tel. +49 6074 881056, FAX 881058
kosta@kostis.net, http://www.kostis.net/

You may use this information free of charge at your own risk.

V1.02 2002-07-01

mini-Howto: Cisco Router Debugging

Virtual Terminal Logging

In order to enable logging on your virtual terminal connection via telnet, type:

terminal monitor

Enable Debugging on Virtual Terminal

In order to enable debugging messages on your virtutal terminal, type:

undebug all
conf t
logging monitor debugging
logging on


Cisco routers can debug a whole lot of things. Let's try a simple example:

debug isdn events

How do I turn this off again?

Yeah, right. You're sick of all those messages and want to get rid of them without logging out and all this. Here you go:

undebug all
terminal no monitor
conf t
no logging monitor