Hi,

I am running OpenBSD 5.0 amd64 on two firewalls using CARP (one master
and one backup) for redundancy/fail-over purpose. Now on the backup firewall I
noticed that the states synchronised using pfsync on a dedicated NIC with a
cross-over cable are at least double as much as on the master firewall. So for
example right now there are 15k states on the master firewall and 40k on the
backup firewall. From my understanding these numbers should pretty much
correlate.

I don't have the feeling I've been doing anything wrong neither as
I have documented myself about how configuring CARP and have been running it
successfully before using OpenBSD 4.4 (I just re-installed with OpenBSD 5.0).
Just in case here are the relevant hostname.* config files:

#
/etc/hostname.em7 (master fw)
inet 10.10.10.1 255.255.255.0

#
/etc/hostname.em7 (backup fw)
inet 10.10.10.2 255.255.255.0
 

#
/etc/hostname.pfsync0 (master fw)
up syncpeer 10.10.10.2 syndev em7

#
/etc/hostname.pfsync0 (backup fw)
up syncpeer 10.10.10.1 syndev em7

Could it
be that my cross-over cable is somehow faulty? or my config is wrong?

Thanks
for the feedback.

Regards,
ML

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