* Charles Price  [2007-12-10 22:59]:

quoted text
> I've been looking into this some more. Are there any issues which

> CARP/OpenBGPd when machines in the CARP group do not have an IP address of

> their own - ie. they have only a shared CARP address?

>

> I find that in this situation, when the CARP master fails the backup router

> correctly becomes master and re-establishes BGP sessions. However, the CARP

> shared IP address appears in the routing/arp table bound to the localhost

> interface. This creates a really nasty routing loop.

>

> 'route -n show -inet' gives this line:

> Dest            Gateway                 Flags  Refs  Use  Mtu     Interface

> 80.x.y.154   00:00:5e:00:01:01  UHLc  1       2      -        lo0

>

> If I assign each router an IP address in addition to the CARP shared address,

> this problem does not appear.

yes,that is the result of games carp plays with routes (which it

shouldn not, imo, but anyway). it should finally work as advertised in

-current even with unnumbered carpdevs.
--

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