Multiple IPs on a interface share connectivity issues
I'm running Windows 7 64-bit in an AD environment. Many times I add an additional IP(s) to my LAN interface so I can work on network devices that will be installed in other subnets of our network. Today I ran into an interesting issue. I could no longer connect to my mapped SMB shares on our netapp. What I found in my troubleshooting was when I went into 'Network > Properties' my active network had a yellow yield symbol and was labeled "unauthenticated". When I clicked on it, I was asked to select whether this was home, work, internet connection, etc. Once I removed the additional IPs, my active network immediately switched to "Domain network" and I was able to connect to my network shares again. BTW, I've been working on a number of these devices for about a week with these additional IPs setup and the problem just happened now. Does anyone know what is happening? I checked the Event Viewer and saw a few cryptic errors but nothing specific about this. This is something new in Win 7 (possibly Vista?) that didn't exist in XP which was much less secure. Also, is there a way to prevent this from happening outside of removing the additional IPs? Thanks in advance for any help.
August 24th, 2010 11:22pm

Do any of your IPs have overlapping subnets? Also did you check your routing table? -Dan
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August 24th, 2010 11:29pm

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