3com 5500 用户手册

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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Note the following when configuring the source switch:

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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.

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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.

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You cannot modify the duplex mode, port rate, and MDI attribute of a reflector 
port.

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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.

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Do not configure the default VLAN, management VLAN or dynamic VLAN as 
the remote-probe VLAN.

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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.

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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.

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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.

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If the intermediate or destination switch is a Switch 5500/5500G, the 
bidirectional mirroring (the both keyword) function is not available.

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The Switch 4210do not support the both keyword configuration.

Note the following when configuring the destination switch:

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Packets sent from the switch CPU cannot be mirrored.