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PIX 501 inside router

I have a site with an existing PIX 501 and cable connection with static IP. We want to install a separate DSL connection for failover. Is there a Cisco Dual Wan Router which will forward the VPN traffic to the existing PIX firewall (ie. PIX 501 inside router)? If so, which model. I want to leave the PIX in place, while using a dual WAN router to support failover from the Cable connection to the DSL connection.

Thanks for the input.

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Re: PIX 501 inside router

get a router with a DSL module and check out the PBR for multiple tracking feature that allows you to reroute traffic in event of a failure at layer 3.

http://cisco.com/en/US/products/sw/iosswrel/ps5207/products_feature_guide09186a00801d1e95.html

However, because in case of cable failure the PIX will not be able to reuse its outside address for the backup connection, you may need to either add another PIX and have it on the outside of the router, or do NAT/FW in the router itself.

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