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Port mirroring 21
Note: The screen data displayed at the bottom of the screen changes
to show the new currently active port mirroring configuration after you
press Enter.
The Monitoring Mode field [ Address A - > Address B ] indicates that all
traffic transmitted by address A to address B is monitored by the StackProbe
attached to Monitor Port 23.
Note: When you enter MAC addresses in this screen, they are also
displayed in the MAC Address Table screen EAPOL.
Figure 5
Port Mirroring Configuration address-based screen example
Port mirroring configuration rules
The following configuration rules apply to any port mirroring configuration:
•
You cannot configure a monitor port as a trunk member or IGMP
member.
•
A monitor port cannot be used for normal switch functions.
•
When you configure a port as a monitor port, the port is automatically
disabled from participating in the spanning tree. When you reconfigure
the port as a standard switch port (no longer a monitor port), the port is
enabled for spanning tree participation.
•
When you create a port-based port mirroring configuration, be sure
that the monitor port and both of the mirrored ports, port X and port Y,
have the same configuration. Use the VLAN Configuration screen to
configure the VLAN EAPOL.
Nortel Ethernet Switch 460/470
Configuration — System Monitoring
NN47210-503 01.01 Standard
3.7 22 February 2007
Copyright © 2005-2007, Nortel Networks Nortel Networks Confidential
.