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NOTE:
• A mirroring group only contains one monitor port.
• To make sure that the port mirroring function can work properly, do not enable STP, MSTP, or RSTP on
the monitor port.
• HP recommends you only use a monitor port for port mirroring. This is to make sure that the data
monitoring device only receives and analyzes the mirrored traffic rather than a mix of mirrored traffic
and normally forwarded traffic.
• A port connected to an RRPP ring cannot be configured as the monitor port of a port mirroring
group.
Displaying and maintaining port mirroring
To do… Use the command… Remarks
Display the configuration of port
mirroring groups
display mirroring-group { group-id
| all | local | remote-destination
| remote-source }
Available in any view
Configuring port mirroring examples
Configuring local port mirroring example
Network requirements
On a network shown in Figure 67:
• Device A connects to the marketing department through GigabitEthernet 1/0/1 and to the technical
department through GigabitEthernet 1/0/2, and connects to the server through GigabitEthernet
1/0/3.
• Configure local port mirroring in mirroring port mode to enable the server to monitor the
bidirectional traffic of the marketing department and the technical department.
Figure 67 Network diagram for local port mirroring configuration
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