Archive for the 'Useful Commands' Category

Password Recovery Procedure for Cisco Routers

Friday, July 24th, 2009

Cisco offers a password recovery technique for almost every device they have available. In this post, I’m going to cover how to complete a password recovery on a Cisco router. There are 2 things that have to be in place before a password recovery can be done. 1/ Physical access to the router 2/ A [...]

IP Host

Wednesday, July 15th, 2009

If you find yourself often connecting to the same devices and are looking a quicker way to telnet to them rather than constantly typing the entire IP address for each one. Or if you have a very large network and find it hard to remember every devices IP address, but you can remember the host [...]

IP Domain-Lookup

Tuesday, July 14th, 2009

Often when typing commands in a hurry, or just typing incorrect commands, Cisco routers will try to do a lookup to find out if the invalid command is the name of another device you are trying to connect to. This results in the router displaying ‘Translating “the command”…domain server (’ three times and not accepting [...]

Using the Pipe ‘|’ command

Tuesday, June 23rd, 2009

Using the Pipe ‘|’ is by far one of the most important things you can learn on a Cisco device. I never really appreciated this command when I started out in Cisco, as it seemed to take me longer to use it, and I didn’t get to see what I was looking for. In hind [...]

The “do” command

Monday, June 22nd, 2009

One of the most annoying things I kept doing when I started out in Cisco, was constantly typing ‘show’ commands when in the wrong level of the configuration. By default, Cisco only allows you to do a ‘show’ command when you are in privileged mode (AOIP.ORG#). This can be frustrating when you are multiple levels [...]