Network requirements – H3C Technologies H3C S7500E Series Switches User Manual
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[DeviceB] interface gigabitethernet 2/0/1
[DeviceB-GigabitEthernet2/0/1] port link-type trunk
[DeviceB-GigabitEthernet2/0/1] port trunk permit vlan 2
[DeviceB-GigabitEthernet2/0/1] quit
# Configure GigabitEthernet 2/0/2 as a trunk port that permits the packets of VLAN 2 to pass through.
[DeviceB-GigabitEthernet2/0/1] quit
[DeviceB] interface gigabitethernet 2/0/2
[DeviceB-GigabitEthernet2/0/2] port link-type trunk
[DeviceB-GigabitEthernet2/0/2] port trunk permit vlan 2
[DeviceB-GigabitEthernet2/0/2] quit
3) Configure Device C (the destination device)
# Configure GigabitEthernet 2/0/1 as a trunk port that permits the packets of VLAN 2 to pass through.
[DeviceC] interface gigabitethernet 2/0/1
[DeviceC-GigabitEthernet2/0/1] port link-type trunk
[DeviceC-GigabitEthernet2/0/1] port trunk permit vlan 2
[DeviceC-GigabitEthernet2/0/1] quit
# Create a remote destination mirroring group.
[DeviceC] mirroring-group 1 remote-destination
# Create VLAN 2.
[DeviceC] vlan 2
[DeviceC-vlan2] quit
# Configure VLAN 2 as the remote probe VLAN of the mirroring group; configure GigabitEthernet 2/0/2
as the monitor port of the mirroring group and assign GigabitEthernet 2/0/2 to VLAN 2.
[DeviceC] mirroring-group 1 remote-probe vlan 2
[DeviceC] interface gigabitethernet 2/0/2
[DeviceC-GigabitEthernet2/0/2] mirroring-group 1 monitor-port
[DeviceC-GigabitEthernet2/0/2] port access vlan 2
[DeviceC-GigabitEthernet2/0/2] quit
4) Verify the configurations
After the above configurations are completed, you can monitor all the packets received and sent by
the marketing department on the server.
Layer 3 Remote Port Mirroring Configuration Example
Network requirements
On the network shown in
:
z
Device A connects to the marketing department through GigabitEthernet 2/0/1, and to
GigabitEthernet 2/0/1 of Device B through GigabitEthernet 2/0/2; Device C connects to the server
through GigabitEthernet 2/0/2, and to GigabitEthernet 2/0/2 of Device B through GigabitEthernet
2/0/1.
z
Configure Layer 3 remote port mirroring to enable the server to monitor the bidirectional traffic of
the marketing department through a GRE tunnel.