Need to upgrade an IOS router? Here's how!

You can upgrade an IOS router using TFTP, as Sudhanshu Gupta explains.

Q: I want to upgrade my IOS Router 7507, but the new flash IOS version requires 32 M of DRAM. How can I upgrade my IOS router?

A: You can use a Trivial File Transfer Protocol (TFTP) server to store the image and boot the router from there.

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