Cisco Systems IPv6 (protocol 41 pass through) with Pix 525

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Subject Author Date
IPv6 (protocol 41 pass through) with Pix 525 Todd Eddy 08-10-08
Posted by Todd Eddy on August 10, 2008, 6:57 pm
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This is on a Pix 525 with v7.2(1) software

I am trying to configure a single host (linux) behind the firewall. I
created a tunnel from tunnelbroker.net. I get the settings for "linux-
net-tools" but when I run those commands I'm unable to ping the other end
of the ipv6 tunnel. I was able to get this all setup on my local network
though, just not on the server that's behind the pix. so a couple
questions

Does v7.2 support protocol 41 for IPv6 encapsulated IPv4 pass through?
Is my only option to setup another interface in the pix with the
specified ipv6 tunnel info?

Here is the information on how to setup things up in the pix. I havent'
actually run these yet as I mainly wanted to test this on a single
machine without playing around with the firewall

configure terminal
interface tunnel0
description Hurricane Electric IPv6 Tunnel Broker
no ip address
ipv6 enable
ipv6 address 2001:xx:xx:xx::2/64
tunnel source 66.xx.xx.215
tunnel destination 216.xx.xx.2
tunnel mode ipv6ip
ipv6 route ::/0 tunnel0
end
write

66.xx.xx.215 is the linux server I am trying to get IPv6 connectivity
too, 216.xx.xx.2 is the tunnel broker's ip. The ip of the interface on
the pix is 66.xx.xx.1 if I should change the source address to that

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