Building the Network You Need with OpenBSD's PF: EuroBSDCon, St. Julian's, September 26th 2013 | ||
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$ ifconfig carp carp0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 lladdr 01:00:5e:00:01:05 priority: 0 carp: carpdev vr0 advbase 1 balancing ip state MASTER vhid 5 advskew 0 state BACKUP vhid 6 advskew 100 groups: carp inet 192.0.2.19 netmask 0xffffff00 broadcast 192.0.2.255 inet6 fe80::200:24ff:fecb:1c10%carp0 prefixlen 64 scopeid 0x7 carp1: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500 lladdr 01:00:5e:00:01:03 priority: 0 carp: carpdev vr1 advbase 1 balancing ip state MASTER vhid 3 advskew 0 state BACKUP vhid 4 advskew 100 groups: carp inet 192.168.12.1 netmask 0xffffff00 broadcast 192.168.12.255 inet6 fe80::200:24ff:fecb:1c10%carp1 prefixlen 64 scopeid 0x8 pfsync0: flags=41<UP,RUNNING> mtu 1500 priority: 0 pfsync: syncdev: vr2 syncpeer: 10.0.12.17 maxupd: 128 defer: off groups: carp pfsync
Also, run systat states on all nodes, watch states -- it's good fun :)