[Bug 213282] FreeBSD 10.2 / Carp / PfSync

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Fri Oct 7 17:48:11 UTC 2016


            Bug ID: 213282
           Summary: FreeBSD 10.2 / Carp / PfSync
           Product: Base System
           Version: 10.2-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: JeanAumont at gmail.com


I have a 2 FreeBSD 10.2 firewall in a MASTER / BACKUP configuration with around
20 interfaces.

All the interfaces on the MASTER have an ADVBASE of 2 and a ADVSKEW of 90.
All the interfaces on the BACKUP have an ADVBASE of 2 and a ADVSKEW of 100.

Carp preempt is enabled on both firewall.

There is a lot of traffic passing on those firewall, around 80000 connections.

Our MASTER firewall crash (due to a bad disk controller firmware).
The BACKUP firewall became the MASTER, and no traffic was lost.

But when the firewall that crash rebooted, it became the MASTER again, and this
is when we lost some connections.

Is there a SYNC of the PF table between the firewall before a firewall became
MASTER again?

By looking at the carp code rapidly, I did not see any thing regarding this


Jean Aumont

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