Cisco Catalyst – Upgrading ‘Stacked’ Switches
KB ID 0001002 Problem The following procedure was carried out on two Cisco Catalyst 3750 switches. Solution 1. We can see (above) that we have two switches, but if your connected remotely, best make sure. Petes-Stack#show switch Switch/Stack Mac Address : 0018.7347.a000 H/W Current Switch# Role Mac Address Priority Version State...
Configuring Multiple Cisco Switch Ports at the Same Time
KB ID 0001009 Problem If you have the same configuration that needs to be placed on multiple ports, then doing each one individually can be time consuming. To save time use the ‘interface range’ command. Be aware this command is only available on devices running IOS versions newer than 12.0(7)XE, Release 12.1 E, and Release 12.1(5)T. Solution 1. From configure terminal mode, I want to apply the same configuration to...
Cisco Catalyst – Upgrading IOS (via USB)
KB ID 0001056 Problem Had a stack of 3560-X Switches to update today, and when I went looking for the notes I used last time, I could not find them. So This time I took the time to document the procedure. Solution Now I could load in the IOS image from TFTP like this, but last time I did this I used a spare USB drive and the image ‘tar’ file, and found it a lot less hassle. 1. Make sure you have formatted your dive at...
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 Router – Configure Site to Site IPSEC VPN
KB ID 0000933 Problem I’ve done thousands of firewall VPN’s but not many that terminate on Cisco Routers. It’s been a few years since I did one, and then I think I was a wuss and used the SDM. So when I was asked to do one last week thankfully I had the configs ready to go. I’m going to use the IP addresses above, and my tunnel will use the following settings; Encryption: AES. Hashing: SHA. Diffie Hellman:...