H3C S5120-EI Series User Manual

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Do not manually shut down or bring up the downlink ports in a monitor link group.
Configuring Monitor Link
Configuration Prerequisites
Before assigning a port to a monitor link group, make sure the port is not the member port of any
aggregation group.
Configuration Procedure
Follow these steps to configure monitor link:
To do… Use the command… Remarks
Enter system view
system-view
—
Create a monitor link group and enter
monitor link group view
monitor-link group group-id
Required
In monitor link
group view
port interface-type
interface-number uplink
Configure the
uplink for the
monitor link group
In Ethernet port
view or Layer-2
aggregate
interface view
port monitor-link group
group-id uplink
Use either approach
Repeat this step to
add more uplink ports
In monitor link
group view
port interface-type
interface-number downlink
Configure the
downlink for the
monitor link group
In Ethernet port
view or Layer-2
aggregate
interface view
port monitor-link group
group-id downlink
Use either approach
Repeat this step to
add more downlink
ports
z A port can be assigned to only one monitor link group.
z You are recommended to configure uplink ports prior to downlink ports, thus avoiding undesired
down/up state changes on the downlink ports.
Monitor Link Configuration Example
Network requirements
GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 of a device are up. Configure GigabitEthernet 1/0/2 to
change its up/down state as GigabitEthernet 1/0/1.

H3C S5120-EI Series Specifications

General

Brand	H3C
Model	S5120-EI Series
Category	Switch
Language	English