Reverse Telnet gives you the ability to telnet to a device, and then console to another device from there. For example, you could telnet to a router, and then console into a switch, or a modem, or anything that has a console port. There are alot of devices out there that dont have remote access built into them, their only option is a console session. Well, this will allow you to remotely manage these devices.
Before we even begin, lets set up the cabling first.
You need a straight through cable going from the console port of the console-only device to the AUX port on your router.
Now lets get going with the router config:
In order to set up reverse telnet, these are the steps:
Here is a sample configuration, this is everything you need to reverse telnet:
sample-config#sh run Building configuration...
Current configuration : 3481 bytes ! ! interface Loopback0 ip address 10.0.0.1 255.0.0.0 ! line con 0 transport input none line aux 0 modem InOut transport input all speed 19200 line vty 0 4 password xxxxxxx login ! end