[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] shutdown
[Sysname-Ten-GigabitEthernet3/1/1] quit
[Sysname] irf-port 3/1
[Sysname-irf-port3/1] port group interface ten-gigabitethernet 3/1/1
[Sysname-irf-port3/1] quit
[Sysname] interface ten-gigabitethernet 3/1/1
[Sysname-Ten-GigabitEthernet3/1/1] undo shutdown
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