Even after few minutes it's still the same. Both A and B are Master.
ifconfig WAN and LAN : vip is MASTER on both.
A Wan: 70.70.70.2 Lan 10.150.1.2 Syn 172.16.0.1
B Wan: 70.70.70.3 Lan 10.150.1.3 Syn 172.16.0.2
Vip Wan 70.70.70.1
Vip Lan 10.150.1.1
Packet trace on WAN
00:19:01.518690 08:00:27:59:28:30 > cc:01:0b:fc:00:00, ethertype IPv4 (0x0800), length 94: (tos 0x0, ttl 64, id 971, offset 0, flags [none], proto ICMP (1), length 80)
70.70.70.2 > 70.70.70.5: ICMP echo request, id 25716, seq 2562, length 60
00:19:01.519043 08:00:27:59:28:30 > cc:01:0b:fc:00:00, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 30, id 17679, offset 0, flags [none], proto GRE (47), length 104)
70.70.70.1 > 80.80.80.2: GREv0, Flags [none], proto IPv4 (0x0800), length 84
(tos 0x0, ttl 64, id 17679, offset 0, flags [none], proto ICMP (1), length 80)
192.168.1.1 > 192.168.1.2: ICMP echo request, id 25716, seq 2562, length 60
00:19:01.524038 cc:01:0b:fc:00:00 > 08:00:27:59:28:30, ethertype IPv4 (0x0800), length 94: (tos 0x0, ttl 255, id 971, offset 0, flags [none], proto ICMP (1), length 80)
70.70.70.5 > 70.70.70.2: ICMP echo reply, id 25716, seq 2562, length 60
00:19:01.763983 00:00:5e:00:01:02 > 01:00:5e:00:00:12, ethertype IPv4 (0x0800), length 70: (tos 0x10, ttl 255, id 41117, offset 0, flags [DF], proto VRRP (112), length 56)
70.70.70.3 > 224.0.0.18: VRRPv2, Advertisement, vrid 2, prio 100, authtype none, intvl 1s, length 36, addrs(7): 72.52.77.42,56.224.73.2,133.98.157.29,85.81.104.29,201.162.139.25,185.58.202.255,7.230.69.236
00:19:02.528818 08:00:27:59:28:30 > cc:01:0b:fc:00:00, ethertype IPv4 (0x0800), length 94: (tos 0x0, ttl 64, id 37026, offset 0, flags [none], proto ICMP (1), length 80)
70.70.70.2 > 70.70.70.5: ICMP echo request, id 25716, seq 2818, length 60
00:19:02.529150 08:00:27:59:28:30 > cc:01:0b:fc:00:00, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 30, id 38249, offset 0, flags [none], proto GRE (47), length 104)
70.70.70.1 > 80.80.80.2: GREv0, Flags [none], proto IPv4 (0x0800), length 84
(tos 0x0, ttl 64, id 38249, offset 0, flags [none], proto ICMP (1), length 80)
192.168.1.1 > 192.168.1.2: ICMP echo request, id 25716, seq 2818, length 60
00:19:02.534190 cc:01:0b:fc:00:00 > 08:00:27:59:28:30, ethertype IPv4 (0x0800), length 94: (tos 0x0, ttl 255, id 37026, offset 0, flags [none], proto ICMP (1), length 80)
70.70.70.5 > 70.70.70.2: ICMP echo reply, id 25716, seq 2818, length 60
00:19:03.174640 00:00:5e:00:01:02 > 01:00:5e:00:00:12, ethertype IPv4 (0x0800), length 70: (tos 0x10, ttl 255, id 57738, offset 0, flags [DF], proto VRRP (112), length 56)
70.70.70.3 > 224.0.0.18: VRRPv2, Advertisement, vrid 2, prio 100, authtype none, intvl 1s, length 36, addrs(7): 72.52.77.42,56.224.73.2,133.98.157.29,85.81.104.29,201.162.139.25,185.58.202.255,7.230.69.236
00:19:03.538190 08:00:27:59:28:30 > cc:01:0b:fc:00:00, ethertype IPv4 (0x0800), length 94: (tos 0x0, ttl 64, id 10197, offset 0, flags [none], proto ICMP (1), length 80)
70.70.70.2 > 70.70.70.5: ICMP echo request, id 25716, seq 3074, length 60
00:19:03.538332 08:00:27:59:28:30 > cc:01:0b:fc:00:00, ethertype IPv4 (0x0800), length 118: (tos 0x0, ttl 30, id 4969, offset 0, flags [none], proto GRE (47), length 104)
70.70.70.1 > 80.80.80.2: GREv0, Flags [none], proto IPv4 (0x0800), length 84
(tos 0x0, ttl 64, id 4969, offset 0, flags [none], proto ICMP (1), length 80)
192.168.1.1 > 192.168.1.2: ICMP echo request, id 25716, seq 3074, length 60
00:19:03.544333 cc:01:0b:fc:00:00 > 08:00:27:59:28:30, ethertype IPv4 (0x0800), length 94: (tos 0x0, ttl 255, id 10197, offset 0, flags [none], proto ICMP (1), length 80)
70.70.70.5 > 70.70.70.2: ICMP echo reply, id 25716, seq 3074, length 60
Packet Trace on LAN
00:20:08.737239 00:00:5e:00:01:01 > 01:00:5e:00:00:12, ethertype IPv4 (0x0800), length 70: (tos 0x10, ttl 255, id 56844, offset 0, flags [DF], proto VRRP (112), length 56)
10.150.1.3 > 224.0.0.18: VRRPv2, Advertisement, vrid 1, prio 100, authtype none, intvl 1s, length 36, addrs(7): 165.78.28.91,230.198.22.54,124.150.11.222,212.181.40.14,255.131.64.104,144.243.162.250,148.88.194.208
00:20:10.147187 00:00:5e:00:01:01 > 01:00:5e:00:00:12, ethertype IPv4 (0x0800), length 70: (tos 0x10, ttl 255, id 40079, offset 0, flags [DF], proto VRRP (112), length 56)
10.150.1.3 > 224.0.0.18: VRRPv2, Advertisement, vrid 1, prio 100, authtype none, intvl 1s, length 36, addrs(7): 165.78.28.91,230.198.22.54,124.150.11.222,212.181.40.14,255.131.64.104,144.243.162.250,148.88.194.208
00:20:11.557420 00:00:5e:00:01:01 > 01:00:5e:00:00:12, ethertype IPv4 (0x0800), length 70: (tos 0x10, ttl 255, id 25843, offset 0, flags [DF], proto VRRP (112), length 56)
10.150.1.3 > 224.0.0.18: VRRPv2, Advertisement, vrid 1, prio 100, authtype none, intvl 1s, length 36, addrs(7): 165.78.28.91,230.198.22.54,124.150.11.222,212.181.40.14,255.131.64.104,144.243.162.250,148.88.194.208
00:20:12.968668 00:00:5e:00:01:01 > 01:00:5e:00:00:12, ethertype IPv4 (0x0800), length 70: (tos 0x10, ttl 255, id 23698, offset 0, flags [DF], proto VRRP (112), length 56)
10.150.1.3 > 224.0.0.18: VRRPv2, Advertisement, vrid 1, prio 100, authtype none, intvl 1s, length 36, addrs(7): 165.78.28.91,230.198.22.54,124.150.11.222,212.181.40.14,255.131.64.104,144.243.162.250,148.88.194.208
Packet Trace on SYN
00:21:27.738473 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 32661, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
00:21:28.013008 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 17391, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
00:21:28.478968 08:00:27💿11:98 > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 25466, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.1 > 224.0.0.240: pfsync 548
00:21:28.944427 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 2825, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
00:21:29.881374 08:00:27💿11:98 > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 494: (tos 0x10, ttl 255, id 35091, offset 0, flags [DF], proto unknown (240), length 480)
172.16.0.1 > 224.0.0.240: pfsync 460
00:21:29.889879 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 42174, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
00:21:30.550182 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 47180, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
00:21:30.881483 08:00:27💿11:98 > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 494: (tos 0x10, ttl 255, id 51093, offset 0, flags [DF], proto unknown (240), length 480)
172.16.0.1 > 224.0.0.240: pfsync 460
00:21:30.964528 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 22842, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
00:21:31.901618 08:00:27💿11:98 > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 406: (tos 0x10, ttl 255, id 17408, offset 0, flags [DF], proto unknown (240), length 392)
172.16.0.1 > 224.0.0.240: pfsync 372
00:21:31.954620 08:00:27:f6:35:fb > 01:00:5e:00:00:f0, ethertype IPv4 (0x0800), length 582: (tos 0x10, ttl 255, id 18703, offset 0, flags [DF], proto unknown (240), length 568)
172.16.0.2 > 224.0.0.240: pfsync 548
Ifconfig A
em0: flags=8802 <broadcast,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:5b:4c:44
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em1: flags=8943 <up,broadcast,running,promisc,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:59:28:30
inet 70.70.70.2 netmask 0xfffffff8 broadcast 70.70.70.7
inet6 fe80::a00:27ff:fe59:2830%em1 prefixlen 64 scopeid 0x2
nd6 options=3 <performnud,accept_rtadv>media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em2: flags=8943 <up,broadcast,running,promisc,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:a2:3c:bc
inet 10.150.1.2 netmask 0xffffff00 broadcast 10.150.1.255
inet6 fe80::a00:27ff:fea2:3cbc%em2 prefixlen 64 scopeid 0x3
nd6 options=3 <performnud,accept_rtadv>media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em3: flags=8843 <up,broadcast,running,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27💿11:98
inet 172.16.0.1 netmask 0xfffffffc broadcast 172.16.0.3
inet6 fe80::a00:27ff:fecd:1198%em3 prefixlen 64 scopeid 0x4
nd6 options=3 <performnud,accept_rtadv>media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
lo0: flags=8049 <up,loopback,running,multicast>metric 0 mtu 16384
options=3 <rxcsum,txcsum>inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5
nd6 options=3 <performnud,accept_rtadv>pfsync0: flags=41 <up,running>metric 0 mtu 1460
pfsync: syncdev: em3 syncpeer: 224.0.0.240 maxupd: 128
pflog0: flags=100 <promisc>metric 0 mtu 33664
enc0: flags=0<> metric 0 mtu 1536
gre0: flags=9051 <up,pointopoint,running,link0,multicast>metric 0 mtu 1476
tunnel inet 70.70.70.1 –> 80.80.80.2
inet 192.168.1.1 --> 192.168.1.2 netmask 0xfffffffc
inet6 fe80::a00:27ff:fe5b:4c44%gre0 prefixlen 64 scopeid 0xb
nd6 options=3 <performnud,accept_rtadv>vip1: flags=49 <up,loopback,running>metric 0 mtu 1500
inet 10.150.1.1 netmask 0xffffff00
carp: MASTER vhid 1 advbase 1 advskew 0
vip2: flags=49 <up,loopback,running>metric 0 mtu 1500
inet 70.70.70.1 netmask 0xffffffff
carp: MASTER vhid 2 advbase 1 advskew 0
ifconfig B
em0: flags=8802 <broadcast,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:f4:27:d0
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em1: flags=8943 <up,broadcast,running,promisc,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:10:90:b8
inet 70.70.70.3 netmask 0xfffffff8 broadcast 70.70.70.7
inet6 fe80::a00:27ff:fe10:90b8%em1 prefixlen 64 scopeid 0x2
nd6 options=3 <performnud,accept_rtadv>media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em2: flags=8943 <up,broadcast,running,promisc,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:ce:12:d8
inet 10.150.1.3 netmask 0xffffff00 broadcast 10.150.1.255
inet6 fe80::a00:27ff:fece:12d8%em2 prefixlen 64 scopeid 0x3
nd6 options=3 <performnud,accept_rtadv>media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
em3: flags=8843 <up,broadcast,running,simplex,multicast>metric 0 mtu 1500
options=9b <rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum>ether 08:00:27:f6:35:fb
inet 172.16.0.2 netmask 0xfffffffc broadcast 172.16.0.3
inet6 fe80::a00:27ff:fef6:35fb%em3 prefixlen 64 scopeid 0x4
nd6 options=3 <performnud,accept_rtadv>media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
lo0: flags=8049 <up,loopback,running,multicast>metric 0 mtu 16384
options=3 <rxcsum,txcsum>inet 127.0.0.1 netmask 0xff000000
inet6 ::1 prefixlen 128
inet6 fe80::1%lo0 prefixlen 64 scopeid 0x5
nd6 options=3 <performnud,accept_rtadv>pfsync0: flags=41 <up,running>metric 0 mtu 1460
pfsync: syncdev: em3 syncpeer: 224.0.0.240 maxupd: 128
pflog0: flags=100 <promisc>metric 0 mtu 33664
enc0: flags=0<> metric 0 mtu 1536
vip1: flags=49 <up,loopback,running>metric 0 mtu 1500
inet 10.150.1.1 netmask 0xffffff00
carp: MASTER vhid 1 advbase 1 advskew 100
vip2: flags=49 <up,loopback,running>metric 0 mtu 1500
inet 70.70.70.1 netmask 0xffffffff
carp: MASTER vhid 2 advbase 1 advskew 100
gre0: flags=9051 <up,pointopoint,running,link0,multicast>metric 0 mtu 1476
tunnel inet 70.70.70.1 --> 80.80.80.2
inet 192.168.1.1 --> 192.168.1.2 netmask 0xfffffffc
inet6 fe80::a00:27ff:fef4:27d0%gre0 prefixlen 64 scopeid 0xb
nd6 options=3 <performnud,accept_rtadv></performnud,accept_rtadv></up,pointopoint,running,link0,multicast></up,loopback,running></up,loopback,running></promisc></up,running></performnud,accept_rtadv></rxcsum,txcsum></up,loopback,running,multicast></full-duplex></performnud,accept_rtadv></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></up,broadcast,running,simplex,multicast></full-duplex></performnud,accept_rtadv></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></up,broadcast,running,promisc,simplex,multicast></full-duplex></performnud,accept_rtadv></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></up,broadcast,running,promisc,simplex,multicast></full-duplex></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></broadcast,simplex,multicast></up,loopback,running></up,loopback,running></performnud,accept_rtadv></up,pointopoint,running,link0,multicast></promisc></up,running></performnud,accept_rtadv></rxcsum,txcsum></up,loopback,running,multicast></full-duplex></performnud,accept_rtadv></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></up,broadcast,running,simplex,multicast></full-duplex></performnud,accept_rtadv></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></up,broadcast,running,promisc,simplex,multicast></full-duplex></performnud,accept_rtadv></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></up,broadcast,running,promisc,simplex,multicast></full-duplex></rxcsum,txcsum,vlan_mtu,vlan_hwtagging,vlan_hwcsum></broadcast,simplex,multicast>