Date: Wed, 05 Nov 2014 19:06:55 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-net@FreeBSD.org Subject: [Bug 194840] New: [carp] Incorrect work of CARP services, started at BACKUP IP Message-ID: <bug-194840-2472@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194840 Bug ID: 194840 Summary: [carp] Incorrect work of CARP services, started at BACKUP IP Product: Base System Version: 10.1-RC1 Hardware: amd64 OS: Any Status: Needs Triage Severity: Affects Only Me Priority: --- Component: bin Assignee: freebsd-bugs@FreeBSD.org Reporter: admin@support.od.ua CC: freebsd-net@FreeBSD.org I have 2 almost identical BGP routers FreeBSD 10.1-PRERELEASE #0: Thu Oct 16 03:58:25 EEST 2014 Both servers are connected with the same switch and have 1 uplink, but default gateways are different. There is one gateway on the uplink side, IPs are different, but use VRRP. [20:19]router1:root->/root# ifconfig em1.201 em1.201: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=103<RXCSUM,TXCSUM,TSO4> ether 00:25:90:34:cc:af inet XXX.XXX.157.1 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 13 inet XXX.XXX.157.2 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 11 inet XXX.XXX.157.5 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 12 inet XXX.XXX.157.129 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 14 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect (1000baseT <full-duplex>) status: active vlan: 201 parent interface: em1 carp: MASTER vhid 13 advbase 1 advskew 50 carp: BACKUP vhid 11 advbase 1 advskew 150 carp: BACKUP vhid 12 advbase 1 advskew 100 carp: BACKUP vhid 14 advbase 1 advskew 100 [20:35]router1:root->/root# netstat -rn | egrep 'XXX.XXX.157.|Destination' Destination Gateway Flags Netif Expire XXX.XXX.157.0/24 link#8 U em1.201 XXX.XXX.157.1 link#8 UHS lo0 XXX.XXX.157.3 XXX.XXX.157.191 UGH1 em1.201 XXX.XXX.157.4 XXX.XXX.157.191 UGH1 em1.201 XXX.XXX.157.6 XXX.XXX.157.191 UGH1 em1.201 [20:36]router1:root->/root# arp -na ? (XXX.XXX.157.35) at (incomplete) on em1.201 expired [vlan] ? (XXX.XXX.157.131) at 00:25:90:18:3d:b8 on em1.201 expires in 1157 seconds [vlan] ? (XXX.XXX.157.195) at 62:b2:dc:c0:08:96 on em1.201 expires in 624 seconds [vlan] ? (XXX.XXX.157.2) at 00:00:5e:00:01:0b on em1.201 expires in 1194 seconds [vlan] ? (XXX.XXX.157.194) at (incomplete) on em1.201 expired [vlan] ... [20:18]router2:root->/root# ifconfig em1.201 em1.201: flags=8943<UP,BROADCAST,RUNNING,PROMISC,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=103<RXCSUM,TXCSUM,TSO4> ether 00:25:90:00:58:fd inet XXX.XXX.157.1 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 13 inet XXX.XXX.157.2 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 11 inet XXX.XXX.157.5 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 12 inet XXX.XXX.157.129 netmask 0xffffff00 broadcast XXX.XXX.157.255 vhid 14 nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> media: Ethernet autoselect (1000baseT <full-duplex>) status: active vlan: 201 parent interface: em1 carp: BACKUP vhid 13 advbase 1 advskew 100 carp: MASTER vhid 11 advbase 1 advskew 50 carp: MASTER vhid 12 advbase 1 advskew 50 carp: MASTER vhid 14 advbase 1 advskew 50 [20:34]router2:root->/root# arp -na ? (XXX.XXX.157.1) at 00:00:5e:00:01:0d on em1.201 expires in 1195 seconds [vlan] ? (XXX.XXX.157.196) at bc:5f:f4:1b:d8:91 on em1.201 expires in 1082 seconds [vlan] ? (XXX.XXX.157.191) at 00:25:90:18:3d:b8 on em1.201 expires in 549 seconds [vlan] ? (192.168.25.11) at 00:25:90:34:cc:af on em1.199 expires in 25 seconds [vlan] ? (192.168.25.12) at 00:25:90:00:58:fd on em1.199 permanent [vlan] ... After pinging from remote place XXX.XXX.157.2, I had answer, but, by tcpdump, answer is coming from em1.201 router1, but not router2! After pinging from router1 IP XXX.XXX.157.2, answer is coming from em1.201 router2 to em1.201 router1. ARP cache on server Backup inside the network: [20:30]backup:root->/root# traceroute -n XXX.XXX.157.2 traceroute to XXX.XXX.157.2 (XXX.XXX.157.2), 64 hops max, 52 byte packets 1 XXX.XXX.157.2 0.100 ms 0.131 ms 0.146 ms [20:30]backup:root->/root# arp -na ? (XXX.XXX.157.2) at 00:00:5e:00:01:0b on bge0 expires in 101 seconds [ethernet] ? (XXX.XXX.157.1) at 00:00:5e:00:01:0d on bge0 expires in 1199 seconds [ethernet] ? (XXX.XXX.157.196) at bc:5f:f4:1b:d8:91 on bge0 permanent [ethernet] ? (10.0.1.2) at 00:25:90:81:8b:8e on bge0 expires in 105 seconds [ethernet] ? (10.0.1.1) at 00:25:90:18:3d:b9 on bge0 expires in 866 seconds [ethernet] ? (10.0.1.5) at bc:5f:f4:1b:d8:91 on bge0 permanent [ethernet] ... -- You are receiving this mail because: You are on the CC list for the bug.
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