Huawei Quidway S2000 Series Command Manual page 75

Command Manual - Port
Quidway S2000 Series Ethernet Switches
monitor port cannot be aggregated port. When the new monitor port is set, the former
monitor port will be cancelled automatically.
For the related commands, see monitor-port, port mirror, display mirror.
Example
# Configure Ethernet0/1 as monitor port and Ethernet0/2 as mirror port.
[Quidway] port mirror ethernet0/2 observing-port ethernet0/1
Chapter 3 Ethernet Port Mirror Configuration Commands
3-4