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© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information.
RSPAN Configuration
RSPAN allows for remote traffic monitoring in the data center. Define source and destination
sessions to mirror interesting traffic to a remote VLAN captured by network-analysis tools.
Configure a VLAN for RSPAN on the Cisco Catalyst Blade Switch 3020 and the aggregate switch
as follows:
(config)# vlan <vlanID>
(config-vlan)# name <vlan name>
(config-vlan)# remote-span
Create a source session as follows. This interface is the interface or VLAN that contains interesting
traffic.
(config) # monitor session <session id> source vlan <VLAN IDs>
Configure the RSPAN VLAN as the target for the mirrored traffic as
follows:
(config) # monitor session <session ID> destination remote vlan
<remote vlan ID>
Design Guide
C07-468192-00 04/08
Page 28 of 28
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