H3C Technologies H3C S12500 Series Switches User Manual
Page 136
125
[SwitchB-mtlk-group1] quit
4.
Configure Switch D:
# Create VLANs 1 through 30.
<SwitchD> system-view
[SwitchD] vlan 1 to 30
# Configure GigabitEthernet 4/0/1 and GigabitEthernet 4/0/2 as trunk ports, 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.
[SwitchD] interface GigabitEthernet 4/0/1
[SwitchD-GigabitEthernet4/0/1] port link-type trunk
[SwitchD-GigabitEthernet4/0/1] port trunk permit vlan 1 to 30
[SwitchD-GigabitEthernet4/0/1] smart-link flush enable
[SwitchD-GigabitEthernet4/0/1] quit
[SwitchD] interface GigabitEthernet 4/0/2
[SwitchD-GigabitEthernet4/0/2] undo stp enable
[SwitchD-GigabitEthernet4/0/2] port link-type trunk
[SwitchD-GigabitEthernet4/0/2] port trunk permit vlan 1 to 30
[SwitchD-GigabitEthernet4/0/2] smart-link flush enable
[SwitchD-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.
[SwitchD] monitor-link group 1
[SwitchD-mtlk-group1] port GigabitEthernet 4/0/1 uplink
[SwitchD-mtlk-group1] port GigabitEthernet 4/0/2 downlink
[SwitchD-mtlk-group1] quit
5.
Verify the configuration:
Use the display monitor-link group command display the monitor link group information on
devices. For example, when GigabitEthernet 4/0/2 on Switch A goes down due to a link fault:
# Check information about monitor link group 1 on Switch B.
<SwitchB> display monitor-link group 1
Monitor link group 1 information:
Group status: UP
Last-up-time: 16:37:20 2009/4/21
Last-down-time: 16:35:26 2009/4/21
Member Role Status
------------------------------------------
GigabitEthernet4/0/1 UPLINK UP
GigabitEthernet4/0/2 DOWNLINK UP
# Check information about monitor link group 1 on Switch D.
<SwitchD> display monitor-link group 1
Monitor link group 1 information:
Group status: DOWN
Last-up-time: 16:35:27 2009/4/21
Last-down-time: 16:37:19 2009/4/21
Member Role Status
------------------------------------------
GigabitEthernet4/0/1 UPLINK DOWN