FreeBSD 10-STABLE and CARP states
mxb
mxb at alumni.chalmers.se
Mon Mar 31 20:21:52 UTC 2014
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
>
>
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