On Tue, 14 Jun 2011 17:01:21 -0400, Steve Polyack wrote:
I'll just have to adapt and ensure they have the same IP addresses
then.
I have a suspicion that the important part may be the number of IP
addresses on the CARP interface. If CARP sends an advertisement from
each IP alias on a CARP interface, then I think that would explain
what you are seeing - and also possibly give you a workaround by
adding two more bogus IPs on your primary datacenter firewalls (where
IPs W and Z are normally missing).
- Steve
I'll give it a try, although I think in a scenario where the carp
interfaces have the same number of IPs and these IPs differ, both
interfaces will claim mastership.
Will post results.
Now that I look at the spec, it looks like both the count and the
addresses themselves are provided in VRRP packets. CARP likely does
the same. I can't speak for whether these things are considered
along
with the VHID and password, but it's worth a shot. I think you are
correct, though.
CARP does the same and should you have different IP addresses on the
master/backup machines they will misbehave.
I think the way to solve this issue is to split the two other IP
addresses onto a separate carpN interface...
--
Kind regards
Daniel
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