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206 Port Monitor Commands
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General Restrictions:
• Ports cannot be configured as a group using the
interface range ethernet
command.
NOTE: The Port Mirroring target must be a member of the Ingress VLAN of all Mirroring source ports.
Therefore, multicast and broadcast frames in these VLANs are seen more than once. (Actually N, where
N is the number of mirroring source ports).
When both transmit (Tx) and receive (Rx) directions of more than one port are monitored,
the capacity may exceed the bandwidth of the target port. In this case, the division of the
monitored packets may not be equal. The user is advised to use caution in assigning port
monitoring.
Example
The following example shows how traffic on port g8 (source port) is copied to port g1 (destination
port).
show ports monitor
The
show ports monitor
User EXEC mode command displays the port monitoring status.
Syntax
show ports monitor
Default Configuration
This command has no default configuration.
Command Mode
User EXEC mode
User Guidelines
• There are no user guidelines for this command.
Example
The following example shows how the port copy status is displayed.
Console(config)# interface ethernet g1
Console(config-if)# port monitor g8