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cannot be configured with functions like VLAN-VPN, port loopback detection, packet filtering, QoS,
port security, and so on.
z You cannot modify the duplex mode, port rate, and MDI attribute of a reflector port.
z Only an existing static VLAN can be configured as the remote-probe VLAN. To remove a
remote-probe VLAN, you need to restore it to a normal VLAN first. A remote port mirroring group
gets invalid if the corresponding remote port mirroring VLAN is removed.
z Do not configure a port connecting the intermediate switch or destination switch as the mirroring
source port. Otherwise, traffic disorder may occur in the network.
Configuration on a switch acting as an intermediate switch
1) Configuration prerequisites
z The trunk ports and the remote-probe VLAN are determined.
z Layer 2 connectivity is ensured between the source and destination switches over the
remote-probe VLAN.
2) Configuration procedure
Follow these steps to perform configurations on the intermediate switch:
To do… Use the command… Remarks
Enter system view
system-view
—
Create a VLAN and enter VLAN
view
vlan vlan-id
vlan-id is the ID of the
remote-probe VLAN.
Configure the current VLAN as
the remote-probe VLAN
remote-probe vlan enable
Required
Return to system view
quit
—
Enter the view of the Ethernet
port connecting to the source
switch, destination switch or
other intermediate switch
interface interface-type
interface-number
—
Configure the current port as
trunk port
port link-type trunk
Required
By default, the port type is
Access.
Configure the trunk port to
permit packets from the
remote-probe VLAN
port trunk permit vlan
remote-probe-vlan-id
Required
Note that a Switch 4500 acting as the intermediate switch in remote port mirroring networking does not
support bidirectional packet mirroring (the both keyword).
Configuration on a switch acting as a destination switch
1) Configuration prerequisites
z The destination port and the remote-probe VLAN are determined.
z Layer 2 connectivity is ensured between the source and destination switches over the
remote-probe VLAN.
2) Configuration procedure
Follow these steps to configure remote port mirroring on the destination switch: