Diagnostics
12.4 Port Mirroring
SCALANCE XM-400/XR-500 Command Line Interface (CLI)
Configuration Manual, 11/2015, C79000-G8976-C252-10
795
If the maximum data rate of the mirrored port is higher than that of the monitor port, data
may be lost and the monitor port no longer reflects the data traffic at the mirrored port.
Several ports can be mirrored to one monitor port at the same time.
Several source ports from the same VLAN
If in a VLAN you select more than one source port for the port-based egress mirroring,
unknown unicast and multicast frames as well as broadcast frames are forwarded only once
to the destination port. With several sessions, the corresponding frames are only visible in
one session, they are only mirrored to one destination port.
This section describes commands with which you display various settings.
This command shows the status of the port mirroring function.
You are in the User EXEC mode or in the Privileged EXEC mode.
The command prompt is as follows:
cli> or cli#
Call the command without parameters:
show monitor
The status of the port mirroring function is displayed.
show monitor barrier
Description
This command shows the status of the communication via the monitor port. If you enable this
option, management of the switch via the monitor port is no longer reachable.
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