Allied Telesis AT 8000/8POE - Manual (Page 270)

Chapter 23: Port Mirroring
270 Section II: Web Browser Interface
Configuring Port Mirroring
To set up port mirroring, perform the following procedure:
1. From the Advanced Config menu, select Port Mirroring.
The Port Mirroring page opens, as shown in Figure 80.
Figure 80. Port Mirroring Page
2. In the Mirroring Port section, select the port where the network
analyzer is connected.
3. In the Port Being Mirrored section, select the port whose ingress and
egress traffic you want to monitor. You can select only one port.
4. Click Apply.
5. From the Mirroring Status list, select Enable and click Apply.
Port mirroring is immediately enabled on the switch. You can now
connect a data analyzer to the mirroring port to monitor the traffic on
the other port.