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I'm trying to establish one half of a GRE tunnel, the other being configured by my service provider. I have a Cisco PIX-506-E running Firewall version 6.3(5).

Provider Router Public IP: 8.8.8.8 My PIX Public IP: 7.7.7.7

Provider Tunnel Address: 192.168.99.1/30 My Tunnel Address: 192.168.99.2/30

I'm not familiar with PIX, and scrubbing the web and cisco.com hasn't yielded results. I'm basically looking for a mini howto. Bounty points for well written step by step instructions.

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2 Answers 2

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Sorry, but a PIX/ASA device is not capable of being an endpoint for GRE tunneling. You'll need a router device instead.

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Cisco ASA devices don't support being GRE tunnel endpoints. You need to use a Cisco router if you want a Cisco device terminating that tunnel.

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