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Remote access VPN : PIX515 - ISA 2004 - LAN

Unanswered Question
Jun 16th, 2006
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Hi,


I have a PIX 515e running the IOS (6.3). I am setting up a back to back scenario where the PIX is the perimeter firewall with the ISA2004 connected to the inside interface of the PIX. However, I want to use the ISA as VPN server. Thus, I need the PIX to allow the VPN traffic through to the ISA Server so that it can authenticate and created the tunnel. Here is my config Internet - PIX - ISA Server - LAN (DHCP,AD,Exchange 2003) PIX external: x.x.x.166 PIX Internal 172.17.0.2 ISA external: 172.17.0.1 ISA Internal 172.16.0.253

Pls provide steps to allow the PIX to pass the vpn traffic to ISA. The DHCP in inside network of ISA will allocate IP for Remote VPN clients



Any suggestion or comments welcome and appreciated.


PPTP is enabled on ISA 2004 and MSCHAP-2 as authentication


Without PIX firewall, remote access VPN worked fine.



Regards,


Prashanth


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