CARP broken on -CURRENT?

From: Xin LI <delphij_at_delphij.net>
Date: Thu, 16 Jul 2009 02:53:13 -0700
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Hi,

It looks like that the following setup won't work properly:

Box 1:
 em0 = carp0/carp1
 em1 = carp2/carp3
Where:
	carp0 vhid 10 advbase 1 advskew 0, configured with 5 IPs with same
netmask with em0's address;
	carp1 vhid 20 advbase 20 advskew 20, configured with 4 IPs with same
netmask with em0's address different from carp0;

	carp2 vhid 30 advbase 1 advskew 0, conigured with 1 IP with same
netmask of em1's address;
	carp3 vhid 40 advbase 20 advskew 20, configured with 1 IP with same
netmask of em1's address, different from carp2;

Box2: all same, execept carp 0 and carp 2 have advbase 20+advskew 20;
carp 1 and carp3 have advbase 1 + advskew 0.

Problem: after a short while both box1 and box2 thinks they are "MASTER"
on all carp interfaces.

Both boxes worked just fine with 7.2 kernel.

Anybody have the same/similar problem?  Preliminary tcpdump indicates
that the server does send/receive correct CARP multicasts.

Cheers,
- --
Xin LI <delphij_at_delphij.net>	http://www.delphij.net/
FreeBSD - The Power to Serve!
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Received on Thu Jul 16 2009 - 07:54:31 UTC

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