Netgear modem refusing an IP address change? Try this...

In my line of work, I install new ADSL modems on an ongoing basis, and I often need to change the default IP address that the modem is setup with.
One of my best sellers is the Netgear DGN2200, however I ran into an odd problem recently which puzzled my poor brain to pieces, until one of the awesome tech support guys at Netgear shed some light on the situation.

The webpage when you setup the modem IP address looks something like this:

It all seems pretty simple - fill in the new IP address, and hit Apply at the bottom.
Done, right?
Not in this case - no matter how many times I tried, the router would reboot, and then revert to the original default "192.168.0.1" IP address.
Highly frustrating.

Even Google was clueless - combing through the search results revealed nothing of use.
At the end of my wits, I fell back on the support guys at Netgear - I mean after all, that's what they are there for, surely?

2 words: "Change browsers."

The answer to a problem which became a rather unpleasant throbbing pain in my right temple, was that simple.
Accessing the web interface of the router from Internet Explorer 11 rather than from Chrome, and performing the exact same steps, resulted in a fresh new IP address.

Now if only all IT problems were that simple to fix :)

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