Sorry for double posting, as I just posted this question at:

http://forum.pfsense.org/index.php/topic,35019.0.html

but this is critical and urgent for me. Hope somebody can help me.

I have two pfSense (2.0RC1 built on Sat Feb 26 18:07:23 EST 2011 ) boxes in failover mode. The WAN IP address has been set as a Carp IP address and everything works fine when you browse the internet.

Until you try to do a download.

When downloading a file, after a while, it stalls. On the LAN side, with a tcpdump I can see that the server on the internet just stopped sending packets.

On the WAN side, with the capture I see that suddenly pfSense stops passing data back to the LAN client and starts sending packets like the following one to the internet server:

8:13:54.058314 IP 1.1.1.1 > pub4.kernel.org: ICMP host 1.1.1.1 unreachable, length 60

(1.1.1.1 is my WAN IP addres, which I edited for privacy reasons). This example is when downloading a kernel source tarball from kernel.org.

Everything points that, after a while (something running periodically?) the state of the connection is lost and pfSense for some reason can't recognize the CARP ip as a valid ip address.


Any help will be appreciated.


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