Widows DNS IP address registration issues for 515E VPN users

By alex-gb ·
Hi All,

Recently we?ve configured VPN with PIX 515E. All is working just perfect, except one small thing.
* VPN gateway is configured to assign IP addresses from the local pool of
* The above pool is excluded in internal DHCP for internal allocation.
* The above pool also excluded from being NATed, to allow VPN traffic to bypass ACL

* When user connects internally he is assigned IP by internal DHCP, say
* When he connects through VPN, he is getting IP from PIX, say

The problem is that at that point DNS has got two entries for the same machine and as a result (I believe) no traffic is being received by the peer.

Can anyone give us a general advice on how to correctly configure IPs allocation for VPN users.
The are only two main requirements:
* All traffic from the machines residing inside should be NATed
* All IPs for machines residing inside should be allocated by dedicated DHCP server, not the one on PIX



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