Monitor Session - Cisco Small Business 200 Series User Manual

Administration
Port Mirroring
Cisco Small Business 200E Series Advanced Smart Switch Command Reference

monitor session

This command adds a mirrored port (source port) or probe port (destination port)
to a mirroring session. This command can also be used to disable the
administrative mode of the session. The no form of this command removes all the
configuration of this session, including the source and destinations interfaces and
VLAN.
monitor session 1-4 {source interface interface [{rx | tx}] | vlan vlan-id |
destination interface interface | mode}
no monitor session session-id {source interface interface | vlan vlan-id |
destination interface interface | mode}
Syntax Descriptions
Parameter
1-4
source interface
rx | tx
vlan-id
destination
interface
mode
Default
No port is configured to perform mirroring.
Command Modes
Global Config
Usage Guidelines
VLAN mirroring mirrors only the ingress (Rx) traffic only.
Description
Four port mirroring sessions can be configured, numbered
1 to 4.
The port or LAG to be mirrored.
If the source interface parameter is specified, option rx
can be used to monitor only ingress packets. Option tx can
be used to monitor only egress packets. If no option is
specified, both ingress and egress packets are monitored.
The VLAN ID of the traffic to be monitored.
The port where data from the monitored port will be
copied to.
Enables the mirroring session. Use the no form of the
command with the mode keyword to disable the session
while leaving all other configured values intact.
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