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3Com Switch 7750 Series
Command Reference Guide – Mirroring Chapter 1 Mirroring Commands
1-11
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com]mirroring-group 1 monitor-slot 4
1.1.10 mirroring-group reflector-port
Syntax
mirroring-group group-id reflector-port reflector-port
undo mirroring-group group-id reflector-port reflector-port
View
System view/Ethernet port view
Parameter
group-id: Group number of a mirroring group, in the range of 1 to 20.
reflector-port reflector-port: Specifies the reflector port. reflector-port is available in
system view only.
Description
Use the mirroring-group reflector-port command to specify the reflector port.
Use the undo mirroring-group reflector-port command to remove the configuration
of the reflector port..
Note the following when you configure the reflector port:
z The reflector port must be an Access port.
z LACP must be disabled on the reflector port.
z The reflector ports are mutually exclusive with STP or DLDP. That is, if STP or
DLDP is enabled on a port, you are not recommended to configure it as a reflector
port; you are not recommended to enable STP or DLDP on a reflector port.
z After a port is configured as a reflector port, the switch does not allow you to
change the port type and its default VLAN ID, or to add it to another VLAN.
z To mirror tagged packets, you need to configure VLAN VPN on the reflector port.
Example
# Configure GigabitEthernet1/0/2 as the reflector port.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] mirroring-group 1 reflector-port GigabitEthernet1/0/2