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Remote Port Mirroring Configuration 235
3 Configuration on the destination switch (Switch C)
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mirroring-group 1 remote-destination
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vlan 10
remote-probe vlan enable
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interface Ethernet1/0/1
port link-type trunk
port trunk permit vlan 1 10
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interface Ethernet1/0/2
port access vlan 10
mirroring-group 1 monitor-port
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Precautions Note the following when configuring the source switch:
■ All ports in a remote source mirroring group are on the same switch (the source
switch). A remote source mirroring group can have only one reflector port.
■ The reflector port of a mirroring group cannot be a member port of another
existing mirroring group, a fabric port (only the Switch 5500/5500G have this
limitation), a member port of an aggregation group, or a port enabled with
LACP or STP. It must be an Access port and cannot be configured with
functions like VLAN-VPN, port loopback detection, packet filtering, QoS, port
security, and so on.
■ You cannot modify the duplex mode, port rate, and MDI attribute of a reflector
port.
■ 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 becomes invalid if the corresponding
remote-probe VLAN is removed.
■ Do not configure the default VLAN, management VLAN or dynamic VLAN as
the remote-probe VLAN.
■ Configure all ports connecting the devices in the remote-probe VLAN as Trunk
ports, and ensure the Layer 2 connectivity from the source switch to the
destination switch over the remote-probe VLAN.
■ Do not configure a Layer 3 interface for the remote-probe VLAN, run other
protocol packets, or carry other service packets on the remote-prove VLAN and
do not use the remote-prove VLAN as the voice VLAN and protocol-based
VLAN; otherwise, remote port mirroring may be affected.
■ 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.
■ If the intermediate or destination switch is a Switch 5500/5500G, the
bidirectional mirroring (the both keyword) function is not available.
■ The Switch 4210do not support the both keyword configuration.
Note the following when configuring the destination switch:
■ Packets sent from the switch CPU cannot be mirrored.