Configuration Restrictions And Guidelines; Recommended Configuration Procedures; Configuring A Mirroring Group - HP 1920 Gigabit Ethernet Switch Series User Manual

Figure 65 Local port mirroring implementation
As shown in
reside on the same device. Packets of GigabitEthernet 1/0/1 are copied to GigabitEthernet 1/0/2,
which then forwards the packets to the data monitoring device for analysis.

Configuration restrictions and guidelines

When you configure port mirroring, follow these restrictions and guidelines:
A local mirroring group can contain multiple source ports, but only one monitor port.
•
Do not enable the spanning tree feature on the monitor port.
•
Use a monitor port only for port mirroring to make sure the data monitoring device receives and
•
analyzes only the mirrored traffic rather than a mix of mirrored traffic and other forwarded traffic.

Recommended configuration procedures

Step
1. Configure a local mirroring
group.
2. Configure source ports for
the mirroring group.
3. Configure the monitor port
for the mirroring group.

Configuring a mirroring group

1. From the navigation tree, select Device > Port Mirroring.
Figure 65, the source port GigabitEthernet 1/0/1 and monitor port GigabitEthernet 1/0/2
Remarks
Required.
For more information, see
Select the mirroring group type local in the Type list.
Required.
For more information, see
Select the port type Mirror Port.
Required.
For more information, see
Select the port type Monitor Port.
"Configuring a mirroring
"Configuring ports for the mirroring
"Configuring ports for the mirroring
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group."
group."
group."