WLC VPN Pass-Through and DNS lookup

[mueller.t]

Hallo we are running some WISM with 6.0.199.4

I try to create a WLan with Security VPN Pass-Through.

We are using Cisco VPN Client. The colleagues who have configured the VPN Client profiles have defined the VPN-Host with its DNS Name. But the WLan Client is not able to resolve the DNS name if you are using VPN PassThrough.

If I use the IP-Address of the VPN Gateway everything works fine.

When I userWeb Policy as Authentication, there is the possibility for a Preauthentication ACL and there I can handle the DNS Lokkup.

Is there any solution for this problem in VPN Pass-Through?

[Federico Lovison]

Hi,

You can achieve this by creating an open WLAN using an ACL, where you allow both the traffic toward the VPN Gateway and DNS to the proper server.

Check the following doc for version 7.0:

http://www.cisco.com/en/US/docs/wireless/controller/7.0/configuration/guide/c70sol.html#wp1104164

I hope this helps.

Regards,

Federico

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