![]() ![]() You can find out what the name of your current flash image is by: show flash You could also enter a secondary address instead. Use the earlier show config command so you can set it back when you are done. ![]() Where x is the ip address and y is the subnet mask. ![]() You can temporarily change the address on the ethernet port if you wish by entering: conf termĪt the (config)# prompt select the interface: int eth0 You may want to make sure you have console access to the router, as well as the ability to connect to it via the ethernet port. Your config should stay during the IOS upgrade, but you never know what could happen. Print your config to paper, just in case. This version also works fine on XP.įirst of all, before you touch anything, you should list your configuration using the command: show config Here is one source for TFTP servers, with many more in the list as well. To use TFTP, you need to download and install TFTP. We used a 1600 router, so the procedure below is quite specific. You can either upgrade via TFTP, or you can use the console. To upgrade the IOS on your Cisco router, you have a couple of options. There are some nasty, nasty SNMP vulnerabilities that have recently been revealed. ![]()
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