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Command Modes
MONITOR SESSION (conf-mon-sess-session-ID)
Command
Version 8.4.1.2
History
Example
Figure 44-5. Command Example: Configuring a Source Port
FTOS(conf-mon-sess-11)#source gigabitethernet 10/0 destination remote-vlan 2
direction rx
FTOS(conf-mon-sess-11)#
Usage
You can configure physical ports, port-channels, and VLANs as sources in remote port mirroring and
Information
use them in the same source session. You can use both Layer 2 (configured with the
command) and Layer 3 ports as source ports.
In remote port mirroring:
•
•
When you configure a port channel or VLAN in a source session, all ports in the port channel or
VLAN are used as source ports, up to a maximum of 128 source ports.
You can configure trunk ports and access ports as source ports.
You can configure trunk ports and non-trunk ports as source ports in a remote-port mirroring session.
You can use the default VLAN and native VLANs as a source VLAN. You cannot configure the
dedicated VLAN used to transport mirrored traffic as a source VLAN.
A destination port for remote port mirroring cannot be used as a source port, including the session in
which the port functions as the destination port. A source port channel or source VLAN, which has a
member port that is configured as a destination port, cannot be used as a source port channel or source
VLAN.
You can use ACLs on a source port. In a flow-based source session, packets sent from the RPM are not
monitored.
Rate-limiting tagged-VLAN egress traffic on a source port is supported.
To delete one or more monitored ports from a source session, enter the complete
port mirroring)
The dedicated L2 VLAN used for remote port mirroring is configured with the
remote-port-mirroring
remove the current VLAN by entering the
the complete
VLAN for the source session.
Introduced on the E-Series ExaScale.
Up to 4 source sessions are supported on a switch.
Up to 128 source ports are supported in a source session.
command.
command. To change the reserved VLAN used in a source session, you can
source (remote port mirroring)
no source destination vlan
command as described above to configure a new reserved
switchport
source (remote
no
mode
command. Then re-enter
vlan-id
Port Monitoring | 1151
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