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VPN-out after NAT-in on same interface

BILL BARTLETT
Level 1
Level 1

I have a PIX 515 running 6.2 code which connects to remote PIXs over VPNs. I want to allow external access to a device at a remote site. I want to have traffic NAT from a public address and then pass across the VPN to a Video conference unit across the VPN. The problem is that the VPN traffic goes back out the same interface that the NATed traffic came in. Can I do this (and how) or is this a security violation on the the PIX. I cannot use a public address at the remote site because that site has a single public dynamic address.

Any guidance you can give would be appreciated. I searched the forum but did not find any previous discussions on this issue.

1 Reply 1

mostiguy
Level 6
Level 6

PIX do not allow traffic to leave on the same interface it came in. I don't think there is any way to do what you seek with a PIX

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