102# Create VLAN 10 and assign the three ports (Ethernet 3/0/1 through Ethernet 3/0/3) connecting thethree data monitoring devices to VLAN 10.[SwitchA] vlan 10[SwitchA-vlan10] port ethernet 3/0/1 to ethernet 3/0/3[SwitchA-vlan10] quit# Configure VLAN 10 as the remote probe VLAN of remote source mirroring group 1.[SwitchA] mirroring-group 1 remote-probe vlan 10Layer 2 remote port mirroring configuration exampleNetwork requirementsOn the Layer 2 network shown in Figure 37,• Device A connects to the marketing department through Ethernet 1/0/1 and connects to the trunkport Ethernet 1/0/1 of Device B through the trunk port Ethernet 1/0/2; Device C connects to theserver through Ethernet 1/0/2 and connects to the trunk port Ethernet 1/0/2 of Device B throughthe trunk port Ethernet 1/0/1. Device A supports egress port configuration.• Configure Layer 2 remote port mirroring to enable the server to monitor the bidirectional traffic ofthe marketing department.Figure 37 Network diagramSource deviceDevice AEth1/0/1Eth1/0/2ServerMarketing Dept.Intermediate deviceDevice BDestination deviceDevice CEth1/0/1 Eth1/0/2 Eth1/0/1Eth1/0/2Source port Monitor portEgress portCommon portConfiguration procedure1. Configure Device A (the source device)# Create a remote source group. system-view[DeviceA] mirroring-group 1 remote-source# Create VLAN 2 as the remote probe VLAN.[DeviceA] 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; configure Ethernet 1/0/1 as asource port and Ethernet 1/0/2 as the egress port in the mirroring group.[DeviceA] mirroring-group 1 remote-probe vlan 2
