H3C Technologies H3C S12500 Series Switches User Manual

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[SwitchC-smlk-group1] flush enable

# Bring up GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2 again.

[SwitchC] interface GigabitEthernet 4/0/1

[SwitchC-GigabitEthernet4/0/1] undo shutdown

[SwitchC-GigabitEthernet4/0/1] quit

[SwitchC] interface GigabitEthernet 4/0/2

[SwitchC-GigabitEthernet4/0/2] undo shutdown

[SwitchC-GigabitEthernet4/0/2] quit

Configure Switch A:
# Create VLANs 1 through 30.

system-view

[SwitchA] vlan 1 to 30

# Configure GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2 as trunk ports, assign them to

VLANs 1 through 30, and enable flush message receiving on them.

[SwitchA] interface GigabitEthernet 4/0/1

[SwitchA-GigabitEthernet4/0/1] port link-type trunk

[SwitchA-GigabitEthernet4/0/1] port trunk permit vlan 1 to 30

[SwitchA-GigabitEthernet4/0/1] smart-link flush enable

[SwitchA-GigabitEthernet4/0/1] quit

[SwitchA] interface GigabitEthernet 4/0/2

[SwitchA-GigabitEthernet4/0/2] port link-type trunk

[SwitchA-GigabitEthernet4/0/2] port trunk permit vlan 1 to 30

[SwitchA-GigabitEthernet4/0/2] smart-link flush enable

[SwitchA-GigabitEthernet4/0/2] quit

Configure Switch B:
# Create VLANs 1 through 30.

system-view

[SwitchB] vlan 1 to 30

# Configure GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2 as trunk ports, and assign them

to VLANs 1 through 30. Disable the spanning tree feature on GigabitEthernet 4/0/2, and enable
flush message receiving on both ports.

[SwitchB] interface GigabitEthernet 4/0/1

[SwitchB-GigabitEthernet4/0/1] port link-type trunk

[SwitchB-GigabitEthernet4/0/1] port trunk permit vlan 1 to 30

[SwitchB-GigabitEthernet4/0/1] smart-link flush enable

[SwitchB-GigabitEthernet4/0/1] quit

[SwitchB] interface GigabitEthernet 4/0/2

[SwitchB-GigabitEthernet4/0/2] undo stp enable

[SwitchB-GigabitEthernet4/0/2] port link-type trunk

[SwitchB-GigabitEthernet4/0/2] port trunk permit vlan 1 to 30

[SwitchB-GigabitEthernet4/0/2] smart-link flush enable

[SwitchB-GigabitEthernet4/0/2] quit

# Create monitor link group 1, and then configure GigabitEthernet 4/0/1 as an uplink port and

GigabitEthernet 4/0/2 as a downlink port for monitor link group 1.

[SwitchB] monitor-link group 1

[SwitchB-mtlk-group1] port GigabitEthernet 4/0/1 uplink

[SwitchB-mtlk-group1] port GigabitEthernet 4/0/2 downlink

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