VPN using wrong DNS

  • Thread starter Thread starter Jesse
  • Start date Start date
J

Jesse

I've seen several people posting this question, but no answer: when I
connect to my office VPN, everything works fine *except* DNS lookups. I can
access shares on the office server by IP address, but not by name. I can
access external websites by IP address, but not by name.

So, two questions:

1. How do I get the DNS settings straightened out?

2. Is there a way to say "If I'm accessing something on the office's private
network, use the VPN tunnel; if I'm accessing something else, do not use the
tunnel"?

Thanks!

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Assuming this is windows VPN, by design, it uses the remote network gateway or router. It should also use the remote network DNS/WINS. If this is the case, you access the Internet and remote site, you will use DNS/WINS for name resolution. If you access local network computers, it may use NetBIOS over TCP/IP. The "If' condition you asked is routing issue and it is possible.

Name resolution on VPN
Connection issues on DC, ISA, DNS and WINS server as VPN server .... Click DNS and WINS tabs to assign the VPN server's DNS and WINS. ...
http://www.chicagotech.net/nameresolutionpnvpn.htm -

vpnbrowsing issues
Assuming you don't have DNS, WINS or other name resolution option to resolves NetBIOS ... To do this, you need to find the IPs by double-clicking the VPN ...
www.chicagotech.net/vpnbrowsingissues.htm

routing issues on vpnCase Study – peer to peer route via VPN connection ... Resolution: When establishing VPN to the office A, the routing table changes. To fix this issue, ...
http://www.chicagotech.net/routingissuesonvpn.htm



Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on http://www.HowToNetworking.com
I've seen several people posting this question, but no answer: when I
connect to my office VPN, everything works fine *except* DNS lookups. I can
access shares on the office server by IP address, but not by name. I can
access external websites by IP address, but not by name.

So, two questions:

1. How do I get the DNS settings straightened out?

2. Is there a way to say "If I'm accessing something on the office's private
network, use the VPN tunnel; if I'm accessing something else, do not use the
tunnel"?

Thanks!

--
 
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