H3C Technologies H3C S7500E Series Switches - Manual (Page 122)

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[DeviceB-GigabitEthernet2/0/2] port link-type trunk
[DeviceB-GigabitEthernet2/0/2] port trunk permit vlan 1 to 30
[DeviceB-GigabitEthernet2/0/2] smart-link flush enable
[DeviceB-GigabitEthernet2/0/2] quit
[DeviceB] interface gigabitethernet 2/0/3
[DeviceB-GigabitEthernet2/0/3] port link-type trunk
[DeviceB-GigabitEthernet2/0/3] port trunk permit vlan 1 to 30
[DeviceB-GigabitEthernet2/0/3] smart-link flush enable
[DeviceB-GigabitEthernet2/0/3] quit
4) Configuration on Device E
# Create VLANs 1 through 30.
system-view
[DeviceE] vlan 1 to 30
# Configure GigabitEthernet 2/0/1, GigabitEthernet 2/0/2, and GigabitEthernet 2/0/3 as trunk ports that
permit VLANs 1 through 30 and enable flush message receiving on them.
[DeviceE] interface gigabitethernet 2/0/1
[DeviceE-GigabitEthernet2/0/1] port link-type trunk
[DeviceE-GigabitEthernet2/0/1] port trunk permit vlan 1 to 30
[DeviceE-GigabitEthernet2/0/1] smart-link flush enable
[DeviceE-GigabitEthernet2/0/1] quit
[DeviceE] interface gigabitethernet 2/0/2
[DeviceE-GigabitEthernet2/0/2] port link-type trunk
[DeviceE-GigabitEthernet2/0/2] port trunk permit vlan 1 to 30
[DeviceE-GigabitEthernet2/0/2] smart-link flush enable
[DeviceE-GigabitEthernet2/0/2] quit
[DeviceE] interface gigabitethernet 2/0/3
[DeviceE-GigabitEthernet2/0/3] port link-type trunk
[DeviceE-GigabitEthernet2/0/3] port trunk permit vlan 1 to 30
[DeviceE-GigabitEthernet2/0/3] smart-link flush enable
[DeviceE-GigabitEthernet2/0/3] quit
5) Configuration on Device A
# Create VLANs 1 through 30.
system-view
[DeviceA] vlan 1 to 30
# Configure GigabitEthernet 2/0/1, GigabitEthernet 2/0/2, and GigabitEthernet 2/0/3 as trunk ports that
permit VLANs 1 through 30 and enable flush message receiving on them.
[DeviceA] interface gigabitethernet 2/0/1
[DeviceA-GigabitEthernet2/0/1] port link-type trunk
[DeviceA-GigabitEthernet2/0/1] port trunk permit vlan 1 to 30
[DeviceA-GigabitEthernet2/0/1] smart-link flush enable
[DeviceA-GigabitEthernet2/0/1] quit
[DeviceA] interface gigabitethernet 2/0/2
[DeviceA-GigabitEthernet2/0/2] port link-type trunk
[DeviceA-GigabitEthernet2/0/2] port trunk permit vlan 1 to 30
[DeviceA-GigabitEthernet2/0/2] smart-link flush enable
[DeviceA-GigabitEthernet2/0/2] quit
6) Verifying the configurations
You can use the display smart-link group command to display the smart link group configuration on
each device. For example: