When you enter command into Cisco iOS it immediately becomes active in running configuration. But if you reboot your router, and haven’t saved your configuration, it’s deleted.
Here are few commands that will allow you to manipulate your configurations.
If you want a secure connection to your Cisco router you’ll be setting up SSH connection instead of Telnet.
Here is simple how to for enabling SSH access to your Cisco router
Before starting any configuration on your network equipment it is essential to protect it with passwords.
Every single interface that you have on your router or switch has to be password protected.
There are few commands regarding passwords – console, aux, telnet (vty) enable password and enable secret.
If you have a few switches and routers in your network, and access them in same time It can be pretty confusing to address on which one you are working.
You can change hostname of the router and create banner for those who are accessing your equipments to give them info they need.
First and basic one for every router – setup clock
I’ll paste here lines from my test lab.
We’ll use question mark (?) since it’s good way to learn commands in Cisco environment.
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