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Date:      Mon, 5 Jan 2015 19:00:33 +0100
From:      Steven Hartland <steven@multiplay.co.uk>
To:        Sascha <kinzenator@gmail.com>
Cc:        "freebsd-net@freebsd.org" <freebsd-net@freebsd.org>, Steven Hartland <killing@multiplay.co.uk>
Subject:   Re: CARP Problem/Bug? on 10.1-RELEASE
Message-ID:  <-1236321233328843964@unknownmsgid>
In-Reply-To: <54AA35DD.8080704@gmail.com>
References:  <54A69F72.6060405@gmail.com> <54A6B5E3.5090200@multiplay.co.uk> <54AA35DD.8080704@gmail.com>

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Yes indeed I didn't have time to investigate more


> On 5 Jan 2015, at 07:57, Sascha <kinzenator@gmail.com> wrote:
>
> Hi Steven,
>
> you made my day! It's working again. But I continue my research.
>
> Rebooting takes the Port-Channel on the switch down. When the machine com=
es up the port-channel on the switch needs some seconds until it's up. Duri=
ng that time, traffic is not forwarded. Sometimes I could see on the consol=
e screen something like "send error 50 on vlan...... demoted by 0 to 720...=
 "
>
> After setting "net.inet.carp.senderr_demotion_factor=3D0"  I could see st=
ill the message. But then the Interface is demoted from 0 to 0. With this s=
etting the "net.inet.carp.demotion" remains at 0. When the Port-Channel on =
the switch is up packets are forwarded again. Then the designated Backup ma=
chine goes back in the Backup state and machine 1 is getting the master aga=
in.
>
> So everything works now like expected!
>
> I think these new "send error" feature makes some adjustment necessary wh=
en using Link Aggregation or when the switch port takes some seconds until =
it forwards the traffic (not using spanning-tree portfast feature).
> It could be useful when the dev team would release some description how t=
he new carp features work together. The manual explains what parameters you=
 can set. But without understanding whats going on it gets some trial and e=
rror. Maybe there is still a description and I didn't find it until now.
>
> Thanks for the help!
> Best regards
> Sascha
>
>> On 02/01/2015 16:14, Steven Hartland wrote:
>> Since 10 we're had to use the following settings in sysctl for carp to w=
ork as expected:
>> net.inet.carp.preempt=3D1
>> net.inet.carp.senderr_demotion_factor=3D0
>>
>> See if these help for your setup too?
>>
>>    Regards
>>    Steve
>>
>>> On 02/01/2015 13:38, Sascha wrote:
>>> Hi and a happy new year to everyone!
>>>
>>> I have problems with my carp setup between two Routers/Firewalls after =
upgrade from 10.0 RELEASE to 10.1 RELEASE.
>>> Before the upgrade my setup worked without any problems!
>>>
>>> After the upgrade I checked the carp status. Machine 2 (Backup machine)=
 is in Master state for all Interfaces. Machine 1 remains in Backup state. =
Machine 1 is my primary Machine and should be the master!
>>>
>>> I restarted both machines several times and checked the rc.conf for err=
ors. But  Machine 2 gets every time the master. Machine 1 gets only the mas=
ter when I turn off Machine 2.
>>> All interfaces remain in Master state even when I manually take a Inter=
face for example igb4 with ifconfig on Machine 2 down. Then igb4 on Machine=
 1 goes into Master state.But the other interfaces remain in Backup state o=
n Machine 1.
>>>
>>> preemt Option is set to 1
>>>
>>> The machines are connected with Link Aggregation to the switch and they=
 do VLAN Tagging. The CARP Interface is the Gateway for the clients.
>>> The address on the physical interface is used to bind demons for networ=
k services.
>>> PF Sync is done over a cross cable direct attached to both machines. PF=
 is not blocking any carp traffic.
>>>
>>>
>>> I Think the problem has something to do with the net.inet.carp.demotion
>>>
>>> You can see in my output that machine 1 had this value net.inet.carp.de=
motion: 3840
>>>
>>> Is this a bug or does someone see a configuration error in the config?
>>>
>>>
>>>
>>> Detailed config(Some output is cleared or omitted):
>>>
>>> rc.conf Machine 1:
>>>
>>> #######################################################################=
###########################################################################=
##############################
>>> ifconfig_igb0=3D"up"
>>> ifconfig_igb1=3D"up"
>>> ifconfig_igb2=3D"up"
>>> ifconfig_igb3=3D"up"
>>> ifconfig_igb4=3D"up"
>>> ifconfig_igb5=3D"up"
>>>
>>> ifconfig_igb4=3D"inet xxx.xxx.0.253 netmask 255.255.255.0"
>>> ifconfig_igb4_alias0=3D"vhid 1 pass secret xxx.xxx.0.1/32"
>>>
>>> # PF Sync Interface
>>> ifconfig_igb5=3D"inet xxx.xxx.255.253/30"
>>>
>>> # Create Virutal Interfaces
>>> cloned_interfaces=3D"lagg0 vlan10 vlan25 vlan35 vlan90 vlan95 vlan97 vl=
an98 vlan99 vlan100 vlan101 vlan102 vlan103 vlan106 vlan107 vlan108 vlan109=
"
>>> # lagg Interface
>>> ifconfig_lagg0=3D"laggproto lacp laggport igb0 laggport igb1 laggport i=
gb2 laggport igb3"
>>>
>>> # VLAN Interfaces
>>> ifconfig_vlanxx0=3D"inet xxx.xxxx.xxx.197/27"
>>> ifconfig_vlanxx0alias0=3D"inet vhid 2 pass secret xxx.xxx.xxx.199/32 vl=
an xx0 vlandev lagg0"
>>> ifconfig_vlanxx5=3D"inet xxx.xxx.25.253/24"
>>> ifconfig_vlanxx5_alias0=3D"inet vhid 3 pass secret xxx.xxx.25.1/32 vlan=
 xx5 vlandev lagg0"
>>> ifconfig_vlanxx5=3D"inet xxx.xxx.35.253/24"
>>> ifconfig_vlanxx5_alias0=3D"inet vhid 4 pass secret xxx.35.1/32 vlan xx5=
 vlandev lagg0"
>>> ifconfig_vlanxx0=3D"inet xxx.xxx.7.253/21"
>>> ifconfig_vlanxx0_alias0=3D"inet vhid 5 pass secret xxx.xxx.7.1/32 vlan =
xx0 vlandev lagg0"
>>> ifconfig_vlanxx5=3D"inet xxx.xxx.95.253/24"
>>> ifconfig_vlanxx5_alias0=3D"inet vhid 6 pass secret xxx.xxx.95.1/32 vlan=
 xx5 vlandev lagg0"
>>> ifconfig_vlanxx7=3D"inet xxx.xxx.90.253/16"
>>> ifconfig_vlanxx7_alias0=3D"inet vhid 7 pass secret xxx.xxx.90.6/32 vlan=
 xx7 vlandev lagg0"
>>> ifconfig_vlanxx8=3D"inet xxx.xxx.239.253/21"
>>> ifconfig_vlanxx8_alias0=3D"inet vhid 8 pass secret xxx.xxx.232.1/32 vla=
n xx8 vlandev lagg0"
>>> ifconfig_vlanxx9=3D"inet xxx.xxx.0.29/27"
>>> ifconfig_vlanxx9_alias0=3D"inet vhid 9 pass secret xxx.xxx.0.1/32 vlan =
xx9 vlandev lagg0"
>>> ifconfig_vlanxx0=3D"inet xxx.xxx.100.253/24"
>>> ifconfig_vlanxx0_alias0=3D"inet vhid 10 pass secret xxx.xxx.100.1/32 vl=
an xx0 vlandev lagg0"
>>> ifconfig_vlanxx1=3D"inet xxx.xxx.1.253/24"
>>> ifconfig_vlanxx1_alias0=3D"inet vhid 11 pass secret xxx.xxx.1.1/32 vlan=
 xx1 vlandev lagg0"
>>> ifconfig_vlanxx2=3D"inet xxx.xxx.116.253/24"
>>> ifconfig_vlanxx2_alias0=3D"inet vhid 12 pass secret xxx.xxx.116.1/32 vl=
an xx2 vlandev lagg0"
>>> ifconfig_vlanxx3=3D"inet xxx.xxx.10.253/24"
>>> ifconfig_vlanxx3_alias0=3D"inet vhid 13 pass secret xxx.xxx.10.1/32 vla=
n xx3 vlandev lagg0"
>>> ifconfig_vlanxx6=3D"inet xxx.xxx.255.252/16"
>>> ifconfig_vlanxx6_alias0=3D"inet vhid 14 pass secret xxx.xxx.255.254/32 =
vlan xx6 vlandev lagg0"
>>> ifconfig_vlanxx7=3D"inet xxx.xxx.90.253/16"
>>> ifconfig_vlanxx7_alias0=3D"inet vhid 15 pass secret xxx.xxx.90.140/32 v=
lan xx7 vlandev lagg0"
>>> ifconfig_vlanxx8=3D"inet xxx.xxx.89.12/29"
>>> ifconfig_vlanxx8_alias0=3D"inet vhid 16 pass secret xxx.xxx.89.14/32 vl=
an xx8 vlandev lagg0"
>>> ifconfig_vlanxx9=3D"inet xxx.xxx.110.253/24"
>>> ifconfig_vlanxx9_alias0=3D"inet vhid 17 pass secret xxx.xxx.110.1/32 vl=
an xx9 vlandev lagg0"
>>>
>>> igb4: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metr=
ic 0 mtu 1500
>>> options=3D403bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HW=
CSUM,TSO4,TSO6,VLAN_HWTSO>
>>>        ether 00:1b:21:96:65:78
>>>        inet xxx.xxx.0.253 netmask 0xffffff00 broadcast xxx.xxx.0.255
>>>        inet xxx.xxx.0.1 netmask 0xffffffff broadcast xxx.xxxx.0.1 vhid =
1
>>>        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>        media: Ethernet autoselect (1000baseT <full-duplex>)
>>>        status: active
>>>        carp: BACKUP vhid 1 advbase 1 advskew 0
>>>
>>> vlanxx0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> m=
etric 0 mtu 1500
>>>        options=3D303<RXCSUM,TXCSUM,TSO4,TSO6>
>>>        ether 00:1b:21:96:c0:38
>>>        inet xxx.xxx.xxx.197 netmask 0xffffffe0 broadcast xxx.xxx.xxx.22=
3
>>>        inet xxx.xxx.xxx.199 netmask 0xffffffff broadcast xxx.xxx.xxx.19=
9 vhid 2
>>>        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>        media: Ethernet autoselect
>>>        status: active
>>>        vlan: 10 parent interface: lagg0
>>>        carp: BACKUP vhid 2 advbase 1 advskew 0
>>>
>>>
>>>
>>> root@xxx1:/# sysctl net.inet.carp
>>> net.inet.carp.allow: 1
>>> net.inet.carp.preempt: 1
>>> net.inet.carp.log: 2
>>> net.inet.carp.demotion: 3840
>>> net.inet.carp.senderr_demotion_factor: 240
>>> net.inet.carp.ifdown_demotion_factor: 240
>>>
>>>
>>> Log File when restarting machine 2
>>>
>>> root@xxx1:/# less /var/log/messages
>>>
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 15@vlanxx7: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 16@vlanxx8: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 17@vlanxx9: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 1@igb4: BACKUP -> MASTER (maste=
r down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 2@vlanxx0: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 3@vlanxx5: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 4@vlanxx5: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 5@vlanxx0: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 6@vlanxx5: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 7@vlanxx7: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 8@vlanxx8: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 10@vlanxx0: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 9@vlanxx9: BACKUP -> MASTER (ma=
ster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 11@vlanxx1: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 12@vlanxx2: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 13@vlanxx3: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:11 xxx1 kernel: carp: VHID 14@vlanxx6: BACKUP -> MASTER (m=
aster down)
>>> Jan  2 12:29:12 xxx1 kernel: igb5: link state changed to DOWN
>>> Jan  2 12:29:14 xxx1 kernel: igb5: link state changed to UP
>>> Jan  2 12:29:14 xxx1 devd: Executing '/etc/rc.d/dhclient quietstart igb=
5'
>>> Jan  2 12:29:20 xxx1 kernel: igb5: link state changed to DOWN
>>> Jan  2 12:29:22 xxx1 kernel: igb5: link state changed to UP
>>> Jan  2 12:29:22 xxx1 devd: Executing '/etc/rc.d/dhclient quietstart igb=
5'
>>> Jan  2 12:29:23 xxx1 kernel: igb5: link state changed to DOWN
>>> Jan  2 12:29:24 xxx1 kernel: igb5: link state changed to UP
>>> Jan  2 12:29:24 xxx1 devd: Executing '/etc/rc.d/dhclient quietstart igb=
5'
>>> Jan  2 12:29:35 xxx1 kernel: igb5: link state changed to DOWN
>>> Jan  2 12:29:37 xxx1 kernel: igb5: link state changed to UP
>>> Jan  2 12:29:37 xxx1 devd: Executing '/etc/rc.d/dhclient quietstart igb=
5'
>>> Jan  2 12:31:06 xxx1 kernel: igb5: link state changed to DOWN
>>> Jan  2 12:31:08 xxx1 kernel: igb5: link state changed to UP
>>> Jan  2 12:31:08 xxx1 devd: Executing '/etc/rc.d/dhclient quietstart igb=
5'
>>> Jan  2 12:31:17 xxx1 kernel: igb5: link state changed to DOWN
>>> Jan  2 12:31:19 xxx1 kernel: igb5: link state changed to UP
>>> Jan  2 12:31:19 xxx1 devd: Executing '/etc/rc.d/dhclient quietstart igb=
5'
>>> Jan  2 12:31:21 xxx1 kernel: carp: VHID 1@igb4: MASTER -> BACKUP (more =
frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 2@vlanxx0: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 3@vlanxx5: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 5@vlanxx0: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 6@vlanxx5: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 9@vlanxx9: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 8@vlanxx8: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 7@vlanxx7: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 14@vlanxx6: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 10@vlanxx0: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 16@vlanxx8: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 11@vlanxx1: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 12@vlanxx2: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 15@vlanxx7: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 13@vlanxx3: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 17@vlanxx9: MASTER -> BACKUP (m=
ore frequent advertisement received)
>>> Jan  2 12:31:52 xxx1 kernel: carp: VHID 4@vlanxx5: MASTER -> BACKUP (mo=
re frequent advertisement received)
>>>
>>>
>>> TCP Dump on machine 1 during restarting machine 2
>>>
>>> root@xxx1:/# sudo tcpdump -npi igb4 -T carp dst 224.0.0.18
>>>
>>> 13:47:55.455580 IP xxx.xxx.0.254 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D100 authlen=3D7 counter=3D50029484353167172
>>> 13:47:56.881428 IP xxx.xxx.0.254 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D100 authlen=3D7 counter=3D50029484353167173
>>> 13:47:59.883366 IP xxx.xxx.0.253 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D240 authlen=3D7 counter=3D50029484353167174
>>> 13:48:00.894534 IP xxx.xxx.0.253 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D240 authlen=3D7 counter=3D50029484353167175
>>> .
>>> .
>>> 13:50:07.842383 IP xxx.xxx.0.253 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D240 authlen=3D7 counter=3D50029484353167240
>>> 13:50:09.782055 IP xxx.xxx.0.253 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D240 authlen=3D7 counter=3D50029484353167241
>>> 13:50:09.782914 IP xxx.xxx.0.254 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D100 authlen=3D7 counter=3D50029484353167242
>>> 13:50:11.206767 IP xxx.xxx.0.254 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D100 authlen=3D7 counter=3D50029484353167243
>>> 13:50:11.510203 IP xxx.xxx.0.254 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D240 authlen=3D7 counter=3D50029484353167244
>>> 13:50:12.450678 IP xxx.xxx.0.254 > 224.0.0.18: CARPv2-advertise 36: vhi=
d=3D1 advbase=3D1 advskew=3D100 authlen=3D7 counter=3D50029484353167245
>>> #######################################################################=
###########################################################################=
##############################
>>>
>>>
>>> rc.conf Machine 2:
>>>
>>> #######################################################################=
###########################################################################=
##############################
>>> ifconfig_igb0=3D"up"
>>> ifconfig_igb1=3D"up"
>>> ifconfig_igb2=3D"up"
>>> ifconfig_igb3=3D"up"
>>> ifconfig_igb4=3D"up"
>>> ifconfig_igb5=3D"up"
>>>
>>> ifconfig_igb4=3D"inet xxx.xxx.0.254 netmask 255.255.255.0"
>>> ifconfig_igb4_alias0=3D"vhid 1 advskew 100 pass secret xxx.xxx.0.1/32"
>>>
>>> # PF Sync Interface
>>> ifconfig_igb5=3D"inet 192.168.255.254/30"
>>>
>>> # Create Virutal Interfaces
>>> cloned_interfaces=3D"lagg0 vlan10 vlan25 vlan35 vlan90 vlan95 vlan97 vl=
an98 vlan99 vlan100 vlan101 vlan102 vlan103 vlan106 vlan107 vlan108 vlan109=
"
>>> # lagg Interface
>>> ifconfig_lagg0=3D"laggproto lacp laggport igb0 laggport igb1 laggport i=
gb2 laggport igb3"
>>>
>>> # VLAN Interfaces
>>> ifconfig_vlanxx0=3D"inet xxx.xxx.22.198/27"
>>> ifconfig_vlanxx0_alias0=3D"inet vhid 2 advskew 100 pass secret xxx.xxx.=
22.199/32 vlan 10 vlandev lagg0"
>>> ifconfig_vlanxx5=3D"inet xxx.xxx.25.254/24"
>>> ifconfig_vlanxx5_alias0=3D"inet vhid 3 advskew 100 pass secret xxx.xxx.=
25.1/32 vlan 25 vlandev lagg0"
>>> ifconfig_vlanxx5=3D"inet xxx.xxx.35.254/24"
>>> ifconfig_vlanxx5_alias0=3D"inet vhid 4 advskew 100 pass secret xxx.xxx.=
35.1/32 vlan 35 vlandev lagg0"
>>> ifconfig_vlanxx0=3D"inet xxx.xxx.7.254/21"
>>> ifconfig_vlanxx0_alias0=3D"inet vhid 5 advskew 100 pass secret xxx.xxx.=
0.1/32 vlan 90 vlandev lagg0"
>>> ifconfig_vlanxx5=3D"inet xxx.xxx.95.254/24"
>>> ifconfig_vlanxx5_alias0=3D"inet vhid 6 advskew 100 pass secret xxx.xxx.=
95.1/32 vlan 95 vlandev lagg0"
>>> ifconfig_vlanxx7=3D"inet xxx.xxx.90.254/16"
>>> ifconfig_vlanxx7_alias0=3D"inet vhid 7 advskew 100 pass secret xxx.xxx.=
90.6/32 vlan 97 vlandev lagg0"
>>> ifconfig_vlanxx8=3D"inet xxx.xxx.239.254/21"
>>> ifconfig_vlanxx8_alias0=3D"inet vhid 8 advskew 100 pass secret xxx.xxx.=
232.1/32 vlan 98 vlandev lagg0"
>>> ifconfig_vlanxx9=3D"inet xxx.xxx.0.30/27"
>>> ifconfig_vlanxx9_alias0=3D"inet vhid 9 advskew 100 pass secret xxx.xxx.=
0.1/32 vlan 99 vlandev lagg0"
>>> ifconfig_vlanxx0=3D"inet xxx.xxx.100.254/24"
>>> ifconfig_vlanxx0_alias0=3D"inet vhid 10 advskew 100 pass secret xxx.xxx=
.100.1/32 vlan 100 vlandev lagg0"
>>> ifconfig_vlanxx1=3D"inet xxx.xxx.1.254/24"
>>> ifconfig_vlanxx1_alias0=3D"inet vhid 11 advskew 100 pass secret xxx.xxx=
.1.1/32 vlan 101 vlandev lagg0"
>>> ifconfig_vlanxx2=3D"inet xxx.xxx.116.254/24"
>>> ifconfig_vlanxx2_alias0=3D"inet vhid 12 advskew 100 pass secret xxx.xxx=
.116.1/32 vlan 102 vlandev lagg0"
>>> ifconfig_vlanxx3=3D"inet xxx.xxx.10.254/24"
>>> ifconfig_vlanxx3_alias0=3D"inet vhid 13 advskew 100 pass secret xxx.xxx=
.10.1/32 vlan 103 vlandev lagg0"
>>> ifconfig_vlanxx6=3D"inet xxx.xxx.255.253/16"
>>> ifconfig_vlanxx6_alias0=3D"inet vhid 14 advskew 100 pass secret xxx.xxx=
.255.254/32 vlan 106 vlandev lagg0"
>>> ifconfig_vlanxx7=3D"inet xxx.xxx.90.254/16"
>>> ifconfig_vlanxx7_alias0=3D"inet vhid 15 advskew 100 pass secret xxx.xxx=
.90.140/32 vlan 107 vlandev lagg0"
>>> ifconfig_vlanxx8=3D"inet xxx.xxx.89.13/29"
>>> ifconfig_vlanxx8_alias0=3D"inet vhid 16 advskew 100 pass secret xxx.xxx=
.89.14/32 vlan 108 vlandev lagg0"
>>> ifconfig_vlanxx9=3D"inet xxx.xxx.110.254/24"
>>> ifconfig_vlanxx9_alias0=3D"inet vhid 17 advskew 100 pass secret xxx.xxx=
.110.1/32 vlan 109 vlandev lagg0"
>>>
>>>
>>>
>>> igb4: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metr=
ic 0 mtu 1500
>>> options=3D403bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HW=
CSUM,TSO4,TSO6,VLAN_HWTSO>
>>>        ether 00:1b:21:96:66:70
>>>        inet xxx.xxx.0.254 netmask 0xffffff00 broadcast xxx.xxx.0.255
>>>        inet xxx.xxx.0.1 netmask 0xffffffff broadcast xxx.xxx.0.1 vhid 1
>>>        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>        media: Ethernet autoselect (1000baseT <full-duplex>)
>>>        status: active
>>>        carp: MASTER vhid 1 advbase 1 advskew 100
>>>
>>> vlanxx0: flags=3D8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> m=
etric 0 mtu 1500
>>>        options=3D303<RXCSUM,TXCSUM,TSO4,TSO6>
>>>        ether 00:1b:21:96:65:68
>>>        inet xxx.xxx.xxx.198 netmask 0xffffffe0 broadcast xxx.xxx.xxx.22=
3
>>>        inet xxx.xxx.xxx.199 netmask 0xffffffff broadcast xxx.xxx.xxx.19=
9 vhid 2
>>>        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>>>        media: Ethernet autoselect
>>>        status: active
>>>        vlan: 10 parent interface: lagg0
>>>        carp: MASTER vhid 2 advbase 1 advskew 100
>>>
>>>
>>>
>>>
>>> root@xxx2:/# sysctl net.inet.carp
>>> net.inet.carp.allow: 1
>>> net.inet.carp.preempt: 1
>>> net.inet.carp.log: 2
>>> net.inet.carp.demotion: 720
>>> net.inet.carp.senderr_demotion_factor: 240
>>> net.inet.carp.ifdown_demotion_factor: 240
>>> root@xxx2:/#
>>> #######################################################################=
###########################################################################=
##############################
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>>
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>



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