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Author Topic: Have to reboot router after IP change to get working again  (Read 2237 times)

deadman3000

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Have to reboot router after IP change to get working again
« on: July 04, 2012, 04:50:34 AM »

Hi. I have an issue. My ISP recently switched to proper dynamic IP on their DHCP servers. Previously IP's had been sticky and I used to take advantage of this to the effect that I could obtain a static IP for no extra cost. Plus I had the flexibility to switch IP's manually if I needed to. Now however the servers force an IP change and you effectively lose any connectivity if you try to force an IP. No probs though in the fact I can use a script to update the endpoint every time the DHCP changes the IP (I have been informed that this is every hour).

However when this happens and after I change my endpoint IP I lose connectivity to the tunnel. The only way seems to be that I have to reboot the router (A Netgear DG834Gv4 with custom DGTeam firmware - now defunct). Update the new endpoint IP (again since it changes after every reboot of the router now) and re-run the XP commandline (usually have to reboot that too I think).

Does anyone know of a way around this issue so I don't have to keep rebooting the router? Or is this a problem with my router? Replacement suggestions if this is the case greatfully appreciated.

EDIT: After further testing it seems the IP does not change upon expiration of the DHCP. However I had to roll back to a different firmware to get this working. I read on the ISP's forums that things might be fluid for the next 30 days so I won't know for sure the answer until then. I cannot see any reason why they would keep assigning different IP addresses every hour as that could cause serious problems. But then again I know for a fact that BT's fiber offering does!
« Last Edit: July 04, 2012, 09:15:58 AM by deadman3000 »
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cholzhauer

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Re: Have to reboot router after IP change to get working again
« Reply #1 on: July 05, 2012, 05:18:06 AM »

It seems like having to reboot the router isn't "normal"  I've never heard of anyone else on here having to reboot after their IP address changed.  I'd assume a new router would fix your problem; This is what I've been using with my tunnel

http://www.newegg.com/Product/Product.aspx?Item=N82E16833127241

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