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Date: Wed, 10 Sep 2008 19:30:05 GMT
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To: freebsd-net@FreeBSD.org
From: Jeff Wheelhouse <jdw@wheelhouse.org>
Cc: 
Subject: Re: kern/127050: [carp] ipv6 does not work on carp interfaces
	[regression]
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The following reply was made to PR kern/127050; it has been noted by GNATS.

From: Jeff Wheelhouse <jdw@wheelhouse.org>
To: bug-followup@FreeBSD.org
Cc:  
Subject: Re: kern/127050: [carp] ipv6 does not work on carp interfaces [regression]
Date: Wed, 10 Sep 2008 15:02:00 -0400

 I am experiencing the identical behavior on the following releases:
 
 6.3-RELEASE-p4
 6.4-PRERELEASE (as of Sep 6)
 
 I have reproduced the problem on both amd64 and i386, on both physical  
 interfaces and VLAN interfaces.
 
 The problem is the same:
 - two machines,  both configured correctly
 - both machines can ping6 each other
 - carp configures correctly, and announcements are observed on the  
 relevant LAN via tcpdump
 - one machine goes to MASTER and one goes to BACKUP
 - an additional machine on the same LAN can ping6 both machines
 - none of the three machines can ping (or route through) the CARP IPv6  
 address
 
 However, I'm *assuming* these are the CARP announcements (since they  
 are from the right IPv6 addresses and MASTER/BACKUP status seems to  
 work:
 
 11:54:51.818511 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 11:54:52.855924 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 11:54:53.893300 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 11:54:54.930386 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 11:54:55.967965 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 11:54:57.004987 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 11:54:58.042481 IP6 A:B:C:D::1 > ff02::12: ip-proto-112 36
 
 I would be happy to help troubleshoot this problem in any way possible.
 
 Thanks,
 Jeff