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Connecting VPN concentrator to Pix.

We have just bought a VPN concentrator 3030 with 3-interfaces, and our Network is protected from the internet by Pix 515 firewall. I want to setup the concentrator connected to the Pix rather than have it sit parallel to the Pix firewall. I would like any infomation and configuration examples on this. Thanks.

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Re: Connecting VPN concentrator to Pix.

Basically, what you are trying to do is to pass IPSec traffic through your your firewall. What you need to do is to permit esp, ah and traffic on UDP port 500 (Ike). Also, since your firewall will be natting, you need to look into a couple of other things. For more information, please see http://www.cisco.com/en/US/tech/tk583/tk372/technologies_configuration_example09186a008009486e.shtml. I would also suggest that you look at 'Configuring NAT Transparent Mode for IPSec on the VPN 3000 Concentrator' at http://www.cisco.com/en/US/products/hw/vpndevc/ps2284/products_tech_note09186a00800946af.shtml

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