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Replying to my own post to provide a bit more info. Doing a tcpdump on
another box on the same LAN, I captured this when I fail the director
from my spare box (lvs3) to the primary box (lvs2):
13:49:07.222028 arp who-has lvs-vip1.bryanlgh.org tell lvs-vip1.bryanlgh.org
13:49:07.323580 arp reply lvs-vip1.bryanlgh.org is-at 00:50:56:8a:01:10
13:49:07.425390 arp who-has lvs-vip1.bryanlgh.org tell lvs-vip1.bryanlgh.org
13:49:07.526534 arp reply lvs-vip1.bryanlgh.org is-at 00:50:56:8a:01:10
13:49:07.623076 arp who-has lvs-vip1.bryanlgh.org tell lvs-vip1.bryanlgh.org
13:49:07.722260 arp reply lvs-vip1.bryanlgh.org is-at 00:50:56:8a:01:10
13:49:07.821009 arp who-has lvs-vip1.bryanlgh.org tell lvs-vip1.bryanlgh.org
13:49:07.917358 arp reply lvs-vip1.bryanlgh.org is-at 00:50:56:8a:01:10
13:49:08.003700 arp who-has lvs-vip1.bryanlgh.org tell lvs-vip1.bryanlgh.org
13:49:08.110762 arp reply lvs-vip1.bryanlgh.org is-at 00:50:56:8a:01:10
That MAC is eth0 on lvs2, the box that's just now obtaining the VIP.
Alas, I still can't ping the VIP from the remote box that performed the
packet dump:
# ping lvs-vip1
PING lvs-vip1.bryanlgh.org (172.22.65.36) 56(84) bytes of data.
From netinst.bryanlgh.org (172.22.65.2) icmp_seq=1 Destination Host
Unreachable
From netinst.bryanlgh.org (172.22.65.2) icmp_seq=2 Destination Host
Unreachable
From netinst.bryanlgh.org (172.22.65.2) icmp_seq=3 Destination Host
Unreachable
--- lvs-vip1.bryanlgh.org ping statistics ---
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time
4000ms, pipe 4
# arp -a
? (172.22.127.254) at 00:01:F4:29:A3:2B [ether] on eth0
lvs-vip1.bryanlgh.org (172.22.65.36) at <incomplete> on eth0
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