H3C Technologies H3C WX3000 Series Unified Switches - Manual (Page 392)

39-10
Mirroring Configuration Example
Local Port Mirroring Configuration Example
Network requirements
The departments of a company connect to each other through switches, as shown in Figure 39-3 :
z
Research and Development (R&D) department is connected to Switch C through GigabitEthernet
1/0/1.
z
Marketing department is connected to Switch C through GigabitEthernet 1/0/2.
z
Data detection device is connected to Switch C through GigabitEthernet 1/0/3
The administrator wants to monitor the packets received on and sent from the R&D department and the
marketing department through the data detection device.
Use the local port mirroring function to meet the requirement. Perform the following configurations on
Switch C.
z
Configure GigabitEthernet 1/0/1 and GigabitEthernet 1/0/2 as mirroring source ports.
z
Configure GigabitEthernet 1/0/3 as the mirroring destination port.
Figure 39-3 Network diagram for local port mirroring
Switch C
Data detection device
R&D
department
Switch A
Switch B
GEth1/0/2
GEth1/0/1
GEth1/0/3
Marketing
department
Configuration procedure
Configure Switch C:
# Create a local mirroring group.
<device> system-view
[device] mirroring-group 1 local
# Configure the source ports and destination port for the local mirroring group.
[device] mirroring-group 1 mirroring-port GigabitEthernet 1/0/1 GigabitEthernet 1/0/2 both
[device] mirroring-group 1 monitor-port GigabitEthernet 1/0/3
# Display configuration information about local mirroring group 1.
[device] display mirroring-group 1
mirroring-group 1:
type: local
status: active
mirroring port:
GigabitEthernet1/0/1 both