1-6To do… Use the command… RemarksConfigure member ports for a smartlink groupport smart-link group group-id{ master | slave } RequiredConfiguring Role Preemption for a Smart Link GroupFollow these steps to configure role preemption for a smart link group:To do… Use the command… RemarksEnter system view system-view —Create a smart link group and entersmart link group view smart-link group group-id —Enable role preemption preemption mode role RequiredDisabled by default.Configure the preemption delay preemption delay delay-time Optional1 second by defaultThe preemption delay configuration takes effect only after role preemption is enabled.Enabling the Sending of Flush MessagesFollow these steps to enable the sending of flush messages:To do… Use the command… RemarksEnter system view system-view —Create a smart link group and entersmart link group view smart-link group group-id RequiredEnable flush update in the specifiedcontrol VLANflush enable [ control-vlanvlan-id ]OptionalBy default, flushupdate is enabled,and VLAN 1 is thecontrol VLAN.