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HP A3100-8 v2 EI Configuration Manual: Layer 2 Remote Port Mirroring Configuration Example

A3100 v2 switch series.
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# Disable Spanning Tree Protocol (STP) in the monitor port Ethernet 1/0/3.
[DeviceA] interface ethernet 1/0/3
[DeviceA-Ethernet1/0/3] undo stp enable
[DeviceA-Ethernet1/0/3] quit
Verify the configurations.
2.
# Display the configuration of all port mirroring groups.
[DeviceA] display mirroring-group all
mirroring-group 1:
type: local
status: active
mirroring port:
Ethernet1/0/1
Ethernet1/0/2
mirroring CPU:
monitor port: Ethernet1/0/3
After the configurations are completed, you can monitor all the packets received and sent by the
marketing department and the technical department on the server.

Layer 2 remote port mirroring configuration example

Network requirements
On the Layer 2 network shown in
Device A connects to the marketing department through Ethernet 1/0/1, and connects to the trunk
port Ethernet 1/0/1 of Device B through the trunk port Ethernet 1/0/2. Device C connects to the
server through Ethernet 1/0/2, and to the trunk port Ethernet 1/0/2 of Device B through the trunk
port Ethernet 1/0/1. Device A supports configurable reflector port configuration.
Configure Layer 2 remote port mirroring to enable the server to monitor the bidirectional traffic of
the marketing department.
Figure 48 Network diagram for Layer 2 remote port mirroring configuration
Source device
Device A
Eth1/0/3
Marketing dept.
Configuration procedure
Configure Device A (the source device)
1.
# Create a remote source group.
<DeviceA> system-view
both
both
Figure
Intermediate device
Device B
Eth1/0/2
Eth1/0/1
Eth1/0/1
Common port
Source port
48:
Destination device
Device C
Eth1/0/2
Eth1/0/1
Eth1/0/2
Server
Reflector port
Monitor port
139

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