Force IP Reset via Cloned MAC Address

Orbit Storm

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Dec 24, 2014
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First and foremost, I sincerely apologize if this topic is outside the normal range of questions.

I'm looking to force a reset on the public WAN but it seems our provider, Comcast, is unable to assist with this directly without escalating the request that could take several days, including a potential service fee to dispatch a technician. Insanity.

I came across a support topic on Comcast's forums that indicated it's possible to force a DHCP renewal by using the Clone MAC Address setting in our router. Unfortunately, that is beyond my comprehension as I have very little experience with routers outside of port forwarding and the basics. I can talk PCs, web design and development all day, but router techie-speak eludes me.

Would this process in fact force an IP change? I know Comcast is finicky with their IP pool, so any advice or an explanation on this process would be greatly appreciated. I can provide information on the current network setup, if need be. I sincerely apologize if I haven't provided enough information at this point. Not entirely sure what else is needed besides my goal and my router model.

Router: D-Link DIR-615
 

andy_Man

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Nov 17, 2014
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Usually Cable internet use static IP. Meaning your ISP as assigned you an IP that won't change without contacting them. I know if you are on DSL you can login to the router and release your ip and get a new one.

Is this method supposed to force comcast to change your static ip?

Why do you want a new ip?
 

Orbit Storm

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Dec 24, 2014
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It's supposed to be dynamic, unless you purchase the static IP option with the package.

According to the topic, it is.
http://forums.comcast.com/t5/Home-Networking-Router-WiFi/Re-Forcing-my-Modem-to-change-IP-address-Or-how-often-does-a/td-p/2398265

As for why, it's a bit of a long story but a condensed version is: my wife and I manage a pair of gaming communities, of which one has a test server that we use for QA testing before publishing to a live environment. That test server is hosted locally, on my PC, and a problematic player that we banned months ago continually harasses our communities by resetting his IP, using VPNs, proxies, etc. The fact that he also gained access to our personal IP is very troubling, given his dedication to trolling thus far. Makes me wary of potential DOS attacks or something else. We can cope with his nonsense on the live servers, which are hosted with GoDaddy, but him having our personal IP, as I said, isn't okay with me.
 

andy_Man

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Make sure your router is set to not reply to WAN pings.

Have you logged into the Router to see if there is a dhcp renew option?
Have you tried unplugging the router for 10mins or so to see if you lose your ip and get assigned another?
 

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