A failover can be triggered by bringing down the network interface on one of the servers. This example brings down the server with RIP of 192.0.0.1.
server1% ifconfig ixgbe0 down SEFOS# show slb SLB Group ID: 1 Virtual IP: 10.10.10.0/24 Server Members: IP Address Vlan MacAddress Port State Comments ================ ==== ================= ==== ========= ================== 192.0.0.1 3 00:1b:21:53:6e:e0 9 FAILED Failover to 192.0.0.4 192.0.0.2 3 00:1b:21:53:6f:00 9 ACTIVE 192.0.0.3 3 00:3e:16:20:12:01 9 ACTIVE 192.0.0.4 3 00:3e:15:18:05:30 9 FAILOVER Replacing 192.0.0.1
SLB output shows that 192.0.0.1 has changed from the active to the failed state. At the same time, 192.0.0.4 changed from standby to the failover state. Traffic hashed to 192.0.0.1 is now redirected to 192.0.0.4. Traffic hashed to all other nodes is not affected by this failover event.