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server 2008 vpn connects but cant ping remote LAN

Posted on 2010-09-03
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I was able to succesfully setup the windows server 2008r2 vpn, but i can not for the life of me ping the remote LAN. I can surf the web with no problem and have disabled the use of remote network gateway. but just cant ping LAN to save my life.

this was so simple with server 2003, but dont knw what i am missing

if anyone has any ideas what i may be missing your help would be greatly appreciated.

Let me know if there are any specific details you require from me to help come up with an answer thanks!
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Question by:Sanga Collins
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by:Sanga Collins
ID: 33601869
just noticed when i look at the VPN connection status, it shows server IPv4 and Client IPv4 address as exactly the same. It is the ip the DHCP server is handing out to the client. i know this cant be correct, but not sure whats causing it
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by:edwarneke
ID: 33601890
What are your IP schemes? If you have similar IP schemes at both locations (192.168.1.x and 192.168.1.x) your traffic won't know to go over the vpn as it thinks your target is on the same network.

Do you have any more details as to your configuration?
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by:Sanga Collins
ID: 33601920
ip schema comlpetely differnt. remote network 10.130.10.0/24 and local network is public ip from AT&T usb Wireless modem.

Windows 2008 server also only has one network card. not sure if this could be the source of my problems?
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by:edwarneke
ID: 33601930
How are you routing the vpn to the rras server?

Is the RRAS server also your router/gateway and is it internet facing?
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by:Sanga Collins
ID: 33601934
the windows server is not the router/gateway. i configured a juniper firewall as the network router and the server is just the domain controller and file/print/fax server.

the server ip is 10.130.10.10/255.255.255.0
and the network gateway/juniper ip address is 10.130.10.1/24
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Sanga Collins earned 0 total points
ID: 33872400
Dont know how i forgot to get back to this question. The problem was not allowing the Windows server hand out dhcp to connected VPN clients. I was letting my Juniper netscreen on site do that, and i was giving the clients the wrong gateway.

Soon as i enabled DHCP for vpn clients connected on windows server, everything worked.
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