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[DeviceA] mirroring-group 1 mirroring-port Ethernet 1/0/1 both
[DeviceA] mirroring-group 1 monitor-egress Ethernet 1/0/2
# Configure output port Ethernet 1/0/2 as a trunk port to permit the packets of VLAN 2 to pass through,
and disable the spanning tree feature on the port.
[DeviceA] interface Ethernet 1/0/2
[DeviceA-Ethernet1/0/2] port link-type trunk
[DeviceA-Ethernet1/0/2] port trunk permit vlan 2
[DeviceA-Ethernet1/0/2] undo stp enable
[DeviceA-Ethernet1/0/2] quit
2. Configure Device B (the intermediate device)
# Create VLAN 2 as the remote probe VLAN.
<DeviceB> system-view
[DeviceB] vlan 2
# Disable MAC address learning for the remote probe VLAN.
[DeviceB-vlan2] mac-address mac-learning disable
[DeviceB-vlan2] quit
# Configure Ethernet 1/0/1 as a trunk port that permits the packets of VLAN 2 to pass through.
[DeviceB] interface Ethernet 1/0/1
[DeviceB-Ethernet1/0/1] port link-type trunk
[DeviceB-Ethernet1/0/1] port trunk permit vlan 2
[DeviceB-Ethernet1/0/1] quit
# Configure Ethernet 1/0/2 as a trunk port that permits the packets of VLAN 2 to pass through.
[DeviceB-Ethernet1/0/1] quit
[DeviceB] interface Ethernet 1/0/2
[DeviceB-Ethernet1/0/2] port link-type trunk
[DeviceB-Ethernet1/0/2] port trunk permit vlan 2
[DeviceB-Ethernet1/0/2] quit
3. Configure Device C (the destination device)
# Configure Ethernet 1/0/1 as a trunk port that permits the packets of VLAN 2 to pass through.
<DeviceC> system-view
[DeviceC] interface Ethernet 1/0/1
[DeviceC-Ethernet1/0/1] port link-type trunk
[DeviceC-Ethernet1/0/1] port trunk permit vlan 2
[DeviceC-Ethernet1/0/1] quit
# Create a remote destination group.
[DeviceC] mirroring-group 1 remote-destination
# Create VLAN 2 as the remote probe VLAN.
[DeviceC] vlan 2
# Disable MAC address learning for the remote probe VLAN.
[DeviceA-vlan2] mac-address mac-learning disable
[DeviceA-vlan2] quit
# Configure VLAN 2 as the remote probe VLAN of the mirroring group and Ethernet 1/0/2 as the
monitor port of the mirroring group, disable the spanning tree feature on Ethernet 1/0/2, and assign the
port to VLAN 2.
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