Re: IPv6 and CARP crashes boxes
- From: Pete French <petefrench@xxxxxxxxxxxxxx>
- Date: Tue, 12 Jun 2012 13:48:43 +0100
Meant to reply to this at the time, but have been away...
Has anyone else run into problems when using IPv6 + CARP ?
I ran into some - aliases on a CARP integface did not seem
to work proprly - but if you workaround that then it appears
to work fine. We are using it in production with no problems.
I plan to hold a presentation at work on IP6 and why we should start
using it, however I cannot promote the use of IP6 without redundancy
between firewalls like we currently do with CARP + pfsync.
The redundancy with pfsync works properly - an ssh session
is maintained through the firewalls when they failover. I
configure my machines to use a paiur of carp interfaces on each
physical port, so I am not mixing IPv4 and IPv6 on the same
interface. I onyl did that as an experiment when I was trying
to work around the aliases problem, but have kept it for "tidnyess"
Basically our experience of the setup has been very positive - our
main connectivity issues have come from the HE/Cogent peering squabble
rather than any FreeBSD/Carp/PF failing.
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