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Date: Thu, 15 May 2008 19:06:33 -0700
From: Rudy <crapsh@monkeybrains.net>
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Subject: carp oddness... BACKUP is ARPing!
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The CARP in BACKUP is arping... why?

Rudy

First, arp -d ns2, then ping ns2 to refresh arp to machine testing.

# arp ns2; arp jamon; arp cabrillo
ns2.monkeybrains.NET (208.69.40.4) at 00:30:48:88:e7:98 on em0 [ethernet]
jamon.monkeybrains.NET (208.69.40.5) at 00:15:f2:4b:60:49 on em0 [ethernet]
cabrillo.monkeybrains.NET (208.69.40.7) at 00:30:48:88:e7:98 on em0 [ethernet]

CABRILLO# ifconfig
bge0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
	options=1b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING>
	inet 208.69.40.7 netmask 0xffffff00 broadcast 208.69.40.255
	ether 00:30:48:88:e7:98
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
carp1: flags=49<UP,LOOPBACK,RUNNING> mtu 1500
	inet 208.69.40.4 netmask 0xffffffff
	carp: BACKUP vhid 2 advbase 4 advskew 180



JAMON# ifconfig
fxp0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> mtu 1500
	options=8<VLAN_MTU>
	inet 208.69.40.5 netmask 0xffffff00 broadcast 208.69.40.255
	ether 00:15:f2:4b:60:49
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
carp1: flags=41<UP,RUNNING> mtu 1500
	inet 208.69.40.4 netmask 0xffffffff
	carp: MASTER vhid 2 advbase 4 advskew 0


FreeBSD jamon.monkeybrains.net 5.5-STABLE
FreeBSD cabrillo.monkeybrains.net 6.2-STABLE

sysctl  net.inet.carp
net.inet.carp.allow: 1
net.inet.carp.preempt: 1
net.inet.carp.log: 1
net.inet.carp.arpbalance: 0
net.inet.carp.suppress_preempt: 0