3com 5500 用户手册

In local port mirroring, packets of one or more source ports of a device are copied 
to a destination port on the device for packet analysis and monitoring. In local port 
mirroring, the source ports and the destination port are on the same device.

Figure 67   Network diagram for local port mirroring

 

The departments of a company connect to each other through the Switch 5500:

■

Research and Development (R&D) department is connected to Switch C 
through Ethernet 1/0/1.

■

Marketing department is connected to Switch C through Ethernet 1/0/2.

■

Data monitoring device is connected to Switch C through Ethernet 1/0/3.

The administrator wants to monitor the packets received and sent by the R&D 
department and the marketing department through the data monitoring device.

Use the local port mirroring function to meet the requirement. Perform the 
following configurations on Switch C.

■

Configure Ethernet 1/0/1 and Ethernet 1/0/2 as mirroring source ports.

■

Configure Ethernet 1/0/3 as the mirroring destination port.

Switch C 

The R&D 

department

Switch A 

Switch B 

Eth1/0 /2

Eth1/0/1

Eth1/0/3

The Marketing 

department

Data monitoring device

Switch 5500

Release V03.02.04 

All versions 

Switch 5500G

Release V03.02.04 

All versions