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VPN Kills NIC

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by sturner 1 view

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Hey,

I just installed 2000 RRAS VPN server. After doing this the NIC cannot be pinged. If I shut down the VPN service that card can be pinged. I deleted all filters to make sure it was not being dropped and still no go! I searched every Q articleI could find on MS.com and although I found some articles that pretained to this but they produced no resaults. Any suggestions would be helpful!

Thanks

3 replies

by nettek

I am assuming that your VPN server has two NICs, one internal on your LAN side, and one external on the VPN side? I am also assuming you are trying to ping the external NIC from your LAN side?

My guess is that when the VPN is enabled, the NIC card is responding to internal pings out the Internet side, not back to your LAN. Add a persistent route statement to the VPN server that tells the server to respond to LAN requests on the internal NIC.
c:\route.exe -p add MASK
For example
c:\route.exe -p add 192.168.1.0 mask 255.255.255.0 192.168.1.1
This will tell the VPN server to use the internal NIC to respond to requests from your LAN.

by sturner

Although you assumpitions in the begining are for the most part correct( I am multihomed with and internal and external nic), I am trying to ping from a TS connection to my home network and therefor my ping is going through my account there. Just for giggle I decided to add the route (as a just in case) and it did not fix the issue.

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