system-view Enter system view, return user view with Ctrl+Z. [SwitchA]interface stack-port 0/1 [SwitchA-stack-port0/1]port interface XGigabitEthernet0/0/1 enable Warning: Enabling stack function may cause configuration loss on the interface, continue?[Y/N]:y Info: Port groups XGigabitEthernet0/0/1 to XGigabitEthernet0/0/4 have been configured as physical stack-ports. [SwitchA-stack-port0/11port interface XGigabitEthernet0/0/8 enable Warning: Enabling stack function may cause configuration loss on the interface, continue?[Y/N]:y Info:Port groups XGigabitEthernet0/0/5 to XGigabitEthernet0/0/8 have been configured as physical stack-ports [SwitchA-stack-port0/1] [SwitchA-stack-port0/1]quit