On 19 January 2011 10:06, "Marcus M|lb|sch, AS-Infodienste GmbH (Systemadministration)" <muelbue...@as-infodienste.de> wrote:
> A quick question: Is it possible to make a carp interface between two > machines if one is running on openBSD 4.7 and the other on openBSD 4.8? > > Background: Finally a got a second machine for our Firewall. Since the > working one runs on 4.7 and I am reluctant to upgrade it before I got the > second one working I try to CARP the interfaces first, then get the new one > working, then take the first one of the net and upgrade it to. > > So far both machines claim to be master on an active/active configuration > on both assigned VHIDs. It's entirely possible that I misconfigured > something, but before I check everything a third (fourth, nth) time I'd > rather be sure that that has nothing to do with the machines being on a > different version. > > Marcus We also have a very similar question. I have a pair of CARP'd & pfsync'd firewalls of embarrasing vintage and would like to be able to swap them for new 4.8 machines (new hardware) one at a time. Is this possible? PFSYNC and CARP are working fine at present. Avoiding a loss of service would make life *much* easier. Many thanks, Alastair