3Com 4500 PWR 26-Port Configuration Manual page 574

# Configure VLAN 10 as the remote-probe VLAN.
<Sysname> system-view
[Sysname] vlan 10
[Sysname-vlan10] remote-probe vlan enable
[Sysname-vlan10] quit
# Configure Ethernet 1/0/1 as the trunk port, allowing packets of VLAN 10 to pass.
[Sysname] interface Ethernet 1/0/1
[Sysname-Ethernet1/0/1] port link-type trunk
[Sysname-Ethernet1/0/1] port trunk permit vlan 10
[Sysname-Ethernet1/0/1] quit
# Configure Ethernet 1/0/2 as the trunk port, allowing packets of VLAN 10 to pass.
[Sysname] interface Ethernet 1/0/2
[Sysname-Ethernet1/0/2] port link-type trunk
[Sysname-Ethernet1/0/2] port trunk permit vlan 10
3) Configure the destination switch (Switch C)
# Create remote destination mirroring group 1.
<Sysname> system-view
[Sysname] mirroring-group 1 remote-destination
# Configure VLAN 10 as the remote-probe VLAN.
[Sysname] vlan 10
[Sysname-vlan10] remote-probe vlan enable
[Sysname-vlan10] quit
# Configure the destination port and remote-probe VLAN for the remote destination mirroring group.
[Sysname] mirroring-group 1 monitor-port Ethernet 1/0/2
[Sysname] mirroring-group 1 remote-probe vlan 10
# Configure Ethernet 1/0/1 as the trunk port, allowing packets of VLAN 10 to pass.
[Sysname] interface Ethernet 1/0/1
[Sysname-Ethernet1/0/1] port link-type trunk
[Sysname-Ethernet1/0/1] port trunk permit vlan 10
[Sysname-Ethernet1/0/1] quit
# Display configuration information about remote destination mirroring group 1.
[Sysname] display mirroring-group 1
mirroring-group 1:
type: remote-destination
status: active
monitor port: Ethernet1/0/2
remote-probe vlan: 10
After the configurations, you can monitor all packets sent from Department 1 and 2 on the data
detection device.
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