892 CHAPTER 71: TRAFFIC MIRRORING CONFIGURATION
Displaying and 
Maintaining Traffic 
Mirroring
Traffic Mirroring 
Configuration 
Examples
Network Requirements The user’s network is as described below:
■ Host A (with the IP address 192.168.0.1) and Host B are connected to 
GigabitEthernet1/0/1 of the switch.
■ The data monitoring device is connected to GigabitEthernet1/0/2 of the switch.
It is required to monitor and analyze packets sent by Host A on the data 
monitoring device.
Figure 262   Network diagram for configuring traffic mirroring to a port
 
Configuration Procedure Configure Switch:
# Enter system view.
<Sysname> system-view 
# Configure basic IPv4 ACL 2000 to match packets with the source IP address 
192.168.0.1.
[Sysname] acl number 2000
[Sysname-acl-basic-2000] rule permit source 192.168.0.1 0
[Sysname-acl-basic-2000] quit 
# Configure a traffic classification rule to use ACL 2000 for traffic classification.
[Sysname] traffic classfier 1
[Sysname-classifier-1] if-match acl 2000
[Sysname-classifier-1] quit 
To do…  Use the command…  Remarks 
Display the configuration 
information about the 
user-defined traffic behavior 
display traffic behavior 
user-defined behavior-name 
Available in any view 
Display the configuration 
information about the 
user-defined policy 
display qos policy 
user-defined policy-name
Switch 
Data monitoring 
device
Host A
GE1/0/1 GE1/0/2
Host B
192.168.0.1