Chapter 14
  |  Port Mirroring Commands
RSPAN Mirroring Commands
–  476  –
acl-name – Name of the ACL. (Maximum length: 32 characters, no spaces or 
other special characters)
Default Setting 
Shows all sessions.
Command Mode 
Privileged Exec
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.
Table 86: 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