FreeBSD 10-STABLE and CARP states

[mxb]

PING

On 31 mar 2014, at 22:21, mxb <mxb at alumni.chalmers.se> wrote:

> 
> Manually setting net.inet.carp.demotion brought BOTH VHIDs in desired state.
> pfsync bulk update seems to not put everything back as it should.
> 
> lagg0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 9000
> 	options=8407bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO>
> 	ether 00:25:90:e3:71:f2
> 	inet 172.16.0.234 netmask 0xfffff800 broadcast 172.16.7.255
> 	inet6 fe80::225:90ff:fee3:71f2%lagg0 prefixlen 64 scopeid 0x5
> 	inet 172.16.0.231 netmask 0xfffff800 broadcast 172.16.7.255 vhid 201
> 	inet 172.16.0.233 netmask 0xfffff800 broadcast 172.16.7.255 vhid 202
> 	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> 	media: Ethernet autoselect
> 	status: active
> 	carp: MASTER vhid 201 advbase 1 advskew 1
> 	carp: BACKUP vhid 202 advbase 5 advskew 100
> 	laggproto lacp lagghash l2,l3,l4
> 	laggport: ix1 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
> 	laggport: ix0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
> 
> 
> On 31 mar 2014, at 20:42, mxb <mxb at alumni.chalmers.se> wrote:
> 
>> 
>> Hi list,
>> 
>> hopefully this is the right place to have my question regarding CARP on 10-STABLE.
>> 
>> I have two nodes with following setup(node1):
>> 
>> lagg0: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 9000
>> 	options=8407bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO>
>> 	ether 00:25:90:e3:71:f2
>> 	inet 172.16.0.234 netmask 0xfffff800 broadcast 172.16.7.255
>> 	inet6 fe80::225:90ff:fee3:71f2%lagg0 prefixlen 64 scopeid 0x5
>> 	inet 172.16.0.231 netmask 0xfffff800 broadcast 172.16.7.255 vhid 201
>> 	inet 172.16.0.233 netmask 0xfffff800 broadcast 172.16.7.255 vhid 202
>> 	nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>> 	media: Ethernet autoselect
>> 	status: active
>> 	carp: BACKUP vhid 201 advbase 1 advskew 1
>> 	carp: BACKUP vhid 202 advbase 5 advskew 100
>> 	laggproto lacp lagghash l2,l3,l4
>> 	laggport: ix1 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
>> 	laggport: ix0 flags=1c<ACTIVE,COLLECTING,DISTRIBUTING>
>> 
>> net.inet.carp.preempt=1 on both nodes. as well as PSYNC as this:
>> 
>> pfsync0: flags=41<UP,RUNNING> metric 0 mtu 1500
>> 	pfsync: syncdev: vlan22 syncpeer: 10.22.22.2 maxupd: 128 defer: off
>> 
>> The problem is (if it is not clear from the ifconfig-output for the lagg0) the state of VHID 201.
>> Node2 with advskew of 100 is currently MASTER, but it SHOULD NOT as of setup.
>> 
>> Am I hitting a bug or doing something wrong?
>> 
>> I also have noted that after the pfsync bulk update the demotion counter never setts to 0, but stays on 480,
>> thus preventing node1 become a MASTER 201(?). Or is this a normal behavior?
>> 
>> Regards,
>> mxb
>> 
>> 
>