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Odd Static IP Problem

post #1 of 6
Thread Starter 
I've encountered a really odd problem recently. I was playing with openDNS on one of my servers which acts as the default gateway to the internet for my network. Obviously it has two NIC's in it. One's ip is 192.168.1.20/24 with a default gateway of 192.168.1.1 and dns of 208.67.222.222 and 208.67.220.220 all configured statically. The other nic is 10.10.1.1/24. What happened was after setting the DNS servers to what is listed above from the original 192.168.1.1 (points to the router to forward dns traffic to my isp rather than that i'm doing now) on reboot the 208.67.... enteries were gone only to be replaced with the 192.168.1.1 address of my router. Any idea how something set statically could change like that?
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post #2 of 6
That is weird. I've never ran into that before. What OS? *nix, XP, Server 03/08?

the /24 mask is a little weird for a 10. network. I know that shouldn't matter, but I've heard of weird things happening when you have a mask that's normally in a C network, in an A network. It's rare and I may be completely wrong (wont be a big surprise there) but it may be something worth looking into.
    
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post #3 of 6
Thread Starter 
It's server 2k3 enterprise, sorry I forgot to mention that. In addition I realize the /24 is a bit odd for the 10. but it's just my internal network and 10.10.1.something is a lot easier to do than 192 blah blah blah.
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post #4 of 6
You may try uninstalling and reinstalling the NIC. A driver may have a minor corruption. You can also try WinSockFix; my favorite tool for NIC issues.
    
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post #5 of 6
So you have 2 adapters. Adapter 1 had some DNSs configured. Adapter 2 only had an IP; no DG, no DNS. Niether on manual. After reboot -> Adapter 1's DNSs point to 192.168.1.1?

Did you by any chance reboot without a proper shutdown?
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post #6 of 6
Thread Starter 
Nope it was a proper shutdown and both adapters are configured with static IP addresses. I'll give winsoc fix a try.
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