光纤连线方式（建议配置完交换机后再连接）
A:port-23—-B:port-24
A:port-23—-B:port-24
交换机A配置如下：
interface range gigabitethernet 1/0/23 to gigabitethernet 1/0/24
shutdown
irf-port 1/1
port group interface gigabitethernet 1/0/23
port group interface gigabitethernet 1/0/24
interface range gigabitethernet 1/0/23 to gigabitethernet 1/0/24
undo shutdown
quit
save
irf-port-configuration active
交换机B配置如下：
irf member 1 renumber 2
reboot
interface range interface gigabitethernet 2/0/23 to interface gigabitethernet 2/0/24
shutdown
irf-port 2/2
port group interface interface gigabitethernet 2/0/23
port group interface interface gigabitethernet 2/0/24
interface range interface gigabitethernet 2/0/23 to interface gigabitethernet 2/0/24
undo shutdown
quit
save
irf-port-configuration active
最记得把线接好即可