Nov 042010
 

Have you ever killed your router/switch by enabling “some” debugging output?
You can easily reduce the impact of debug-logging on cisco devices by disabling logging to the console port. Under normal circumstances you don’t need the logging output on the console port.
In global configuration mode type:

no logging console to disable logging to the console.

This will prevent your router/switch from generating an interrupt for each single character, that is put to the console interface.

 Posted by at 14:59
Nov 032010
 

show running won’t show you any pre-shared-keys for tunnels, aaa-server keys and failover keys in cleartext. You will only see things like:

failover key *****

aaa-server authserver (inside) host 192.168.1.1
key *****

tunnel-group clients ipsec-attributes
pre-shared-key *****

simply use the more system:running-config-command to show all your keys uncrypted.

 Posted by at 11:22