Chapter 52
Configuring Local SPAN, RSPAN, and ERSPAN
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interface_list is single_interface , single_interface , single_interface ...
Note
interface_range is interface type slot/first_port - last_port.
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mixed_interface_list is, in any order, single_interface , interface_range , ...
single_vlan is the ID number of a single VLAN.
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vlan_list is single_vlan , single_vlan , single_vlan ...
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vlan_range is first_vlan_ID - last_vlan_ID.
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mixed_vlan_list is, in any order, single_vlan , vlan_range , ...
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ERSPAN_flow_id can range from 1 to 1023.
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All ERSPAN source sessions on a switch must use the same source IP address. Enter the origin ip
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address ip_address force command to change the origin IP address configured in all ERSPAN
source sessions on the router.
ttl_value can range from 1 to 255.
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ipp_value can range from 0 to 7.
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dscp_value can range from 0 to 63.
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When clearing monitor sessions, note the following information:
The no monitor session number command entered with no other parameters clears
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session session_number.
session_range is first_session_number-last_session_number.
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Note
This example shows how to configure session 3 to monitor bidirectional traffic from Gigabit Ethernet
port 4/1:
Router(config)# monitor session 3 type erspan-source
Router(config-mon-erspan-src)# source interface gigabitethernet 4/1
Router(config-mon-erspan-src)# destination
Router(config-mon-erspan-src-dst)# ip address 10.1.1.1
Router(config-mon-erspan-src-dst)# origin ip address 20.1.1.1
Router(config-mon-erspan-src-dst)# erspan-id 101
For additional examples, see the
OL-4266-08
In lists, you must enter a space before and after the comma. In ranges, you must enter a space
before and after the dash.
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.
"Configuration Examples" section on page
Cisco 7600 Series Router Cisco IOS Software Configuration Guide, Release 12.2SX
Configuring Local SPAN, RSPAN, and ERSPAN
52-27.
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