Example 31-2. Failover mode
Failover mode can be used to switch over to a secondary interface if the link is lost on the master interface. Create and configure the lagg0 interface, with fxp0 as the master interface and fxp1 as the secondary interface:
# ifconfig lagg0 create
# ifconfig lagg0 up laggproto failover laggport fxp0 laggport fxp1
The interface will look something like this, the major differences will be the MAC address and the device names:
# ifconfig lagg0
lagg0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
options=8<VLAN_MTU>
ether 00:05:5d:71:8d:b8
media: Ethernet autoselect
status: active
laggproto failover
laggport: fxp1 flags=0<>
laggport: fxp0 flags=5<MASTER,ACTIVE>
Traffic will be transmitted and received on fxp0. If the link is lost on fxp0 then fxp1 will become the active link. If the link is restored on the master interface then it will once again become the active link.
- Mar 18 Thu 2010 11:20
freeBSD 7.2 802.3ad 實作
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