user manual

CHAPTER 5
Configuring SPAN and RSPAN
This chapter describes how to configure Switched Port Analyzer (SPAN) and Remote SPAN (RSPAN).
Unless otherwise noted, the term switch refers to a standalone switch or a switch stack.
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Finding Feature Information, page 65
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Prerequisites for SPAN and RSPAN, page 65
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Restrictions for SPAN and RSPAN, page 66
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Information About SPAN and RSPAN, page 68
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How to Configure SPAN and RSPAN, page 78
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Monitoring SPAN and RSPAN Operations, page 95
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SPAN and RSPAN Configuration Examples, page 96
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Feature History and Information for SPAN and RSPAN, page 97
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature
information and caveats, see the release notes for your platform and software release.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not
required.
Prerequisites for SPAN and RSPAN
SPAN
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You can limit SPAN traffic to specific VLANs by using the filter vlan keyword. If a trunk port is being
monitored, only traffic on the VLANs specified with this keyword is monitored. By default, all VLANs
are monitored on a trunk port.
Catalyst 2960-X Switch Network Management Configuration Guide, Cisco IOS Release 15.0(2)EX
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