Cisco IOS upgrade 

I got a new Cisco 2960G-48 today, but the IOS was a bit behind. So, I am upgrading the IOS.

Step 1: Downlaod the IOS from cisco. You need to sign and get an account, but you can get the most (or second most) recent LANBASE on a good day. Download it! Step 2: launch tftpd on your computer or a server plugged into the switch -- freebsd base OS has it, activate in /etc/inet.conf, in Ubuntu, install it: apt-get install tftpd Step 3: mv your c2960-lanbasek9-mz.122-55.SE1.bin to the tftp path (check the path in /etc/inet.conf) Step 4: Make sure your TFTP server is working... back up the running config to the TFTP server like this: raton#copy running-config tftp://10.17.45.145/raton-confg Address or name of remote host [10.17.45.145]? Destination filename [raton-confg]? !!! 5680 bytes copied in 0.780 secs (7282 bytes/sec) For this to work, you need to set the permissions on the TFTP server to something like this: # ls -l /srv/tftp/raton-confg -rw-rw-rw- 1 nobody root 5680 2011-05-10 21:36 /srv/tftp/raton-confg If that worked, try backing up the current IOS: raton#copy flash:c2960-lanbase-mz.122-35.SE5/c2960-lanbase-mz.122-35.SE5.bin tftp://10.17.45.145/ Step 5: Doh, you got the .bin in Step 1. Download the .tar! :) Now upgrade with this command: # archive download-sw /overwrite tftp://10.17.45.145/c2960-lanbasek9-tar.122-55.SE1.tar Voila! You are done, type reload at the switch prompt. This data is completely accurate.