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HAPTER
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| Port Mirroring Commands
RSPAN Mirroring Commands
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COMMAND USAGE
This command displays the currently configured source port, destination
port, and mirror mode (i.e., RX, TX, RX/TX).
EXAMPLE
The following shows mirroring configured from port 6 to port 5:
Console(config)#interface ethernet 1/5
Console(config-if)#port monitor ethernet 1/6
Console(config-if)#end
Console#show port monitor
Port Mirroring
-------------------------------------
Destination Port (listen port):Eth1/5
Source Port (monitored port) :Eth1/6
Mode :RX/TX
Console#
RSPAN MIRRORING COMMANDS
Remote Switched Port Analyzer (RSPAN) allows you to mirror traffic from
remote switches for analysis on a local destination port.
Configuration Guidelines
Take the following steps to configure an RSPAN session:
1. Use the vlan rspan command to configure a VLAN to use for RSPAN.
(Default VLAN 1 is prohibited.)
2. Use the rspan source command to specify the interfaces and the traffic
type (RX, TX or both) to be monitored.
3. Use the rspan destination command to specify the destination port for
the traffic mirrored by an RSPAN session.
Table 116: RSPAN Commands
Command Function Mode
vlan rspan Creates a VLAN dedicated to carrying RSPAN
traffic
VC
rspan source Specifies the source port and traffic type to be
mirrored
GC
rspan destination Specifies the destination port to monitor the
mirrored traffic
GC
rspan remote vlan Specifies the RSPAN VLAN, switch role (source,
intermediate or destination), and the uplink
ports
GC
no rspan session Deletes a configured RSPAN session GC
show rspan Displays the configuration settings for an RSPAN
session
PE
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