Hi List,
I'm having an issue with CARP preempt. I have two pfSense machines
running 2.4.1-RELEASE. CARP fails over all individual IPs correctly,
but doesn't preempt correctly in the case of a single failure.
On both machines, I've checked that net.inet.carp.preempt is enabled.
The master appears to be detecting the demotion, as it sets
net.inet.carp.demotion to 240 during a failure, but ifconfig still
reports advskew as 0.
I'm not 100% sure if that number should update, or if the demotion
number is added to the advskew reported by ifconfig.
Relevent sysctl, ifconfig, and log output taken from the master firewall
during a failure is attached.
Any help is greatly appreciated!
---
Thanks,
Andrew Kester
The Storehouse
https://sthse.co
em0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu
1500
options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC>
ether 3e:4c:88:b9:f1:39
hwaddr 3e:4c:88:b9:f1:39
inet6 fe80::3c4c:88ff:feb9:f139%em0 prefixlen 64 scopeid 0x1
inet [...] netmask 0xfffffc00 broadcast [...]
inet [...] netmask 0xfffffc00 broadcast [...] vhid 2
inet [...] netmask 0xfffffc00 broadcast [...] vhid 3
inet [...] netmask 0xfffffc00 broadcast [...] vhid 4
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
carp: MASTER vhid 2 advbase 1 advskew 0
carp: MASTER vhid 3 advbase 1 advskew 0
carp: MASTER vhid 4 advbase 1 advskew 0Nov 1 15:15:38 check_reload_status Carp backup event
Nov 1 15:15:38 kernel carp: 6@em4: MASTER -> INIT
(hardware interface down)
Nov 1 15:15:38 kernel carp: demoted by 240 to 240
(interface down)
Nov 1 15:15:38 kernel em4: link state changed to DOWN
Nov 1 15:15:38 check_reload_status Linkup starting em4
Nov 1 15:15:39 php-fpm 861 /rc.carpbackup: HA cluster
member “([…]@em4): (OFFICE)" has resumed CARP state "BACKUP" for vhid 6
Nov 1 15:15:39 php-fpm 861 /rc.linkup: Hotplug event
detected for OFFICE(opt3) static IP ([…])
Nov 1 15:15:39 check_reload_status Reloading filter
net.inet.carp.ifdown_demotion_factor: 240
net.inet.carp.senderr_demotion_factor: 0
net.inet.carp.demotion: 240
net.inet.carp.log: 1
net.inet.carp.preempt: 1
net.inet.carp.allow: 1
net.pfsync.carp_demotion_factor: 0
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