Displaying and maintaining port mirroring
To do… Use the command… Remarks
Display the configuration of port
mirroring groups
display mirroring-group { group-id
| all | local | remote-destination |
remote-source } [ | { begin |
exclude | include }
regular-expression ]
Available in any view
Port mirroring configuration examples
Local port mirroring configuration example
Network requirements
On the network shown in Figure 47:
• Device A connects to the marketing department through Ethernet 1/0/1 and to the technical
department through Ethernet 1/0/2. It connects to the server through Ethernet 1/0/3.
• Configure local port mirroring in mirroring port mode to enable the server to monitor the
bidirectional traffic of the marketing department and the technical department.
Figure 47 Network diagram for local port mirroring configuration
Configuration procedure
1. Create a local mirroring group.
# Create local mirroring group 1.
<DeviceA> system-view
[DeviceA] mirroring-group 1 local
# Configure Ethernet 1/0/1 and Ethernet 1/0/2 as mirroring ports and port Ethernet 1/0/3 as the
monitor port.
[DeviceA] mirroring-group 1 mirroring-port ethernet 1/0/1 ethernet 1/0/2 both
[DeviceA] mirroring-group 1 monitor-port ethernet 1/0/3
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