Connecting to and Configuring Cisco Routers with ‘Cisco Configuration Professional’
KB ID 0000512 Problem It’s not often I work on Cisco routers, but as I tend to do most of the Cisco ASA Firewalls, I’m the unofficial “Cisco Guy”. Which is fine until someone wants a router or some complex switching, then I need to do some heavy duty frowning. Last time I put in a Cisco router it was a baby Cisco 800 series (an 877W) so I assumed the 1921 ISR router I had to put in would be the same. Before I...
Cisco Routers – Port Forwarding
KB ID 0000533 Problem If you have a server or host that you want to be publicly addressable and only have one public IP address then port forwarding is what you require. Solution Assumptions 1. You have a public IP on the outside of your Router. 2. You are performing NAT from your internal range of IP address to your External IP address. To Make Sure 1. Run the following command: PetesRouter#show run | include ip nat inside You...
Backup and Restore Cisco IOS (Switches and Routers)
KB ID 0000538 Problem It’s been a long time since I ran through setting up a TFTP server, but I still use 3CDeamon. Below I’ll run though the simple commands to back up, and restore the devices configuration. Solution Backing up a Cisco IOS Device 1. First you have to setup a TFTP server, and know the IP address of the machine it’s on! 2. Connect to the device, either via console cable, Telnet or SSH. 3. Log in >...