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Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
OL-4266-08
Chapter 52 Configuring Local SPAN, RSPAN, and ERSPAN
Configuring Local SPAN, RSPAN, and ERSPAN
• interface_list is single_interface , single_interface , single_interface ...
Note In lists, you must enter a space before and after the comma. In ranges, you must enter a space
before and after the dash.
• interface_range is interface type slot/first_port - last_port.
• mixed_interface_list is, in any order, single_interface , interface_range , ...
• All ERSPAN destination sessions on a switch must use the same IP address on the same destination
interface. Enter the ip address ip_address force command to change the IP address configured in
all ERSPAN destination sessions on the router.
Note You must also change all ERSPAN source session destination IP addresses (see the
“Configuring ERSPAN Source Sessions” section on page 52-19, Step 8).
• ERSPAN_flow_id can range from 1 to 1023.
When clearing monitor sessions, note the following information:
• The no monitor session number command entered with no other parameters clears
session session_number.
• session_range is first_session_number-last_session_number.
Note In the no monitor session range command, do not enter spaces before or after the dash. If
you enter multiple ranges, do not enter spaces before or after the commas.
This example shows how to configure an ERSPAN destination session to send ERSPAN ID 101 traffic
arriving at IP address 10.1.1.1 to Gigabit Ethernet port 2/1:
Router(config)# monitor session 3 type erspan-destination
Router(config-erspan-dst)# destination interface gigabitethernet 2/1
Router(config-erspan-dst)# source
Router(config-erspan-dst-src)# ip address 10.1.1.1
Router(config-erspan-dst-src)# erspan-id 101
For additional examples, see the “Configuration Examples” section on page 52-27.
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