Cisco Cheatsheet
Table of Contents
Reseting passwords/configs
Taken from http://www.osix.net/modules/article/?id=630.
- Attach a terminal or PC with terminal emulation (such as hyperterminal) to the console port of the router. 9600-8N1
- Power-cycle. Hit break (e.g. Ctrl-Break or Ctrl-F6, Break) in first 60 seconds
- Type confreg 0x2142 at the rommon 1> prompt.
- rommon 1 > confreg 0x2142
- Type no after each setup question or press Ctrl-C to skip the initial setup procedure.
- Router>enable
- copy startup-config running-config (optional)
- conf t
- enable secret <pw>
- config-register 0x02102
- Ctrl-Z
- copy running-config startup-config
- Restart/Power-cycle
Debugging T1 PRI
show isdn stat
show controllers t1 x
debug isdn q921
show interface serial x:23
http://www.cisco.com/en/US/tech/tk713/tk628/technologies_tech_note09186a00800a754a.shtml
additional
show voice port summary
show dial-peer voice
show cdapi
show call history voice record
show rawmsg
debug isdn event
debug tsp
debug cdapi {events | detail}
http://docwiki.cisco.com/wiki/Cisco_IOS_Voice_Troubleshooting_and_Monitoring_--_T1_or_E1_Interface_Troubleshooting
Checking HW
show inventory
show ver
show hardware
show controllers <type> <controller #>