Understanding How Local Span And Rspan Work; Local Span And Rspan Overview - Cisco 7609 Configuration Manual

Configuring Local SPAN and RSPAN
This chapter describes how to configure local Switched Port Analyzer (SPAN) and remote SPAN
(RSPAN) on the Cisco 7600 series routers. The Cisco 7600 series routers support RSPAN with
Release 12.1(13)E and later releases.
This chapter consists of these sections:
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For complete syntax and usage information for the commands used in this chapter, refer to the
Note
Cisco 7600 Series Router Cisco IOS Command Reference publication.

Understanding How Local SPAN and RSPAN Work

These sections describe how local SPAN and RSPAN work:
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Local SPAN and RSPAN Overview

Local SPAN and RSPAN both select network traffic to send to a network analyzer such as a SwitchProbe
device or other Remote Monitoring (RMON) probe. SPAN does not affect the switching of network
traffic on source ports or VLANs. SPAN sends a copy of the packets received or transmitted by the
source ports and VLANs to the destination port. You must dedicate the destination port for SPAN use.
These sections provide an overview of local SPAN and RSPAN:
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Understanding How Local SPAN and RSPAN Work, page 34-1
Local SPAN and RSPAN Configuration Guidelines and Restrictions, page 34-5
Configuring Local SPAN and RSPAN, page 34-8
Local SPAN and RSPAN Overview, page 34-1
Local SPAN and RSPAN Sessions, page 34-3
Monitored Traffic, page 34-4
SPAN Sources, page 34-4
Destination Ports, page 34-5
Local SPAN Overview, page 34-2
RSPAN Overview, page 34-3
Cisco 7600 Series Router Cisco IOS Software Configuration Guide—12.1E
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