SW1 配置
irf member 1 renumber 1
interface Ten-GigabitEthernet 1/0/51
shutdown
irf-port 1/2
port group interface Ten-GigabitEthernet 1/0/51
irf-port-configuration active
SW2 配置
irf member 1 renumber 2
interface Ten-GigabitEthernet 1/0/49
shutdown
irf-port 2/1
port group interface Ten-GigabitEthernet 1/0/49
irf-port-configuration active
注：堆叠必须万兆光口、交换机修改接口需要重启才能生效、接口加入堆叠组需要是shutdown、
