I had a couple of issues getting DynDNS working on a Cisco router. The first issue was: how do I type a question mark within an IOS configuration command? Normally, when you type ? IOS responds with its command help. This is obviously a problem when you’re trying to enter a URL that contains a [...]
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I consulted a number of sites on the Internet when I was attempting to configure L2TP on a Cisco router. I found many people with the same issues I had but no complete solution. In the end, my problem was that I needed an access list (see access-list 130 below).
Below is an example of a [...]