On 2010/08/24 23:14, Claudio Jeker wrote:
quoted text
> carp(4) is normaly using IPv4 multicast for its announcements. In case
> there are no IPv4 addrs set IPv6 multicast will be used. But since the
> code forgot to embed the oh so freaking magic scope into the multicast
> address it failed to send the packet out.
> 
> I don't think anyone will OK this, so I will autocommit in about 2 days.

I must be missing something but even without your diff, I am seeing
outgoing carp packets locally and remotely when there are only v6
addresses on the carp(4)..

tcpdump output looks like this either way:

00:23:24.709780 fe80::202:b3ff:fec8:dc4 > ff02::12: CARPv2-advertise 36: vhid=88 advbase=1 advskew=0 demote=0

fxp1: flags=8b43<UP,BROADCAST,RUNNING,PROMISC,ALLMULTI,SIMPLEX,MULTICAST> mtu 1500      
        lladdr 00:02:b3:c8:0d:c4
        priority: 0
        media: Ethernet autoselect (100baseTX full-duplex)
        status: active
        inet6 fe80::202:b3ff:fec8:dc4%fxp1 prefixlen 64 scopeid 0x5

carp88: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
        lladdr 00:00:5e:00:01:58
        priority: 0
        carp: MASTER carpdev fxp1 vhid 88 advbase 1 advskew 0
        groups: carp
        status: master
        inet6 fe80::200:5eff:fe00:158%carp88 prefixlen 64 scopeid 0xe
        inet6 3001::88 prefixlen 64

This is on sparc64; I've also tried on amd64 without your diff and
see the same there.