On Mon, Nov 30, 2009 at 09:31:19PM +0000, Stuart Henderson wrote:
> On 2009-11-30, stan <st...@panix.com> wrote:
> > Sorry, I am still confused here. What I have is a pair of machines, each
> > machine has 3 physical interfaces. On each machine one is for the "inside"
> > network, one is for the "outside" network, and one is for phsync. The
> > inside network is a single subnet, and does not need to see OSPF routing,
> > as all of it's machines have a static default route to the CARP'd "inside"
> > interface.
>
> so use interface carpXX { passive } for this one...
>
> > Both the "inside" and "outside" interfaces on both machines have
> > an equiv. CARP interface. So, there are 3 outside IP addresses. the CARP
> > address, and an individual address for the outside interface on each
> > machine.
>
> ...and use the real interfaces for these, not the carp ones.
> You shouldn't need carp on the outside interfaces.
>
> > What can't happen is to have the machines both advertise their
> > real physical interface addresses as duplicate routes to the inside
> > network, right?
>
> In 4.6 and earlier, only the carp master advertises the inside network.
>
> In -current, both master and backup announce it, master with a low metric
> so it's preferred, backup with a high metric. so the route isn't normally
> used but it isn't totally lost when the routers failover.
>
Following up on my email I cut and pasted from the machien curently in
backup, whih may confuse the discussion. heres the oen from the machien in
master:
s...@phfw1:stan$ ospfctl show interfaces
Interface Address State HelloTimer Linkstate Uptime nc ac
carp1 170.85.106.143/25 DOWN - master 00:00:00 0 0
bge0 10.209.142.152/25 BCKUP 00:00:08 active 00:02:12 2 2
Sorry.
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