Well, my original router died and I had to have Verizon send me a new one. I had a surprisingly good experience with Verizon tech support, by the way. Their automated voice prompt system was annoying but not much more annoying than a foreign call center drone reading from a script would be.
Anyway, with the new Actiontec router, I discovered that they now include a checksum in the configuration file, so you can't just dump, edit, and reload as I did previously.
Fortunately, other people who are smarter than I have had similar problems since I did this last time. Here is a much more straightforward way of doing this:
1) Login to your router
2) Choose "My Network" along top
3) Choose "Network Connections" along the side
4) Next the the line that reads "Network (Home/Office)", click on the edit button.
5) Click on the "Settings" button on the bottom
6) Change the following Fields:
IP Address: -> 192.168.50.1
Start IP Address -> 192.168.50.2
End IP Address -> 192.168.50.254
7) Click "Apply"
8) Ignore warning about no DNS servers assigned, and click apply again.
9) Since you just changed the ip address of the router, you will need to re-navigate to the new ip address (:/192.168.50.1), and login again.
If anything goes awry, remember to use your reset button