Switching White Papers
Using RSPAN With VACLs for Granular Traffic Analysis
Overview SPAN is a well-understood and widely used technology for mirroring traffic from one or more ports on a Cisco Catalyst switch (the SPAN source) to another port on the same switch (the SPAN destination). This is frequently called "Local SPAN." Local SPAN has many important uses, including enabling users to capture and analyze traffic passing through a single switch. RSPAN is another traffic-mirroring technology that allows users to extend the scope of their analysis to encompass multiple switches that are interconnected in the same Layer 2 domain. This paper demonstrates how to combine two powerful features, Remote Switch Port Analyzer (RSPAN) and Virtual LAN (VLAN) Access Control Lists (VACLs) to create a highly granular tool for traffic analysis on the Cisco Catalyst 6500 Series switches.
| Publisher | Cisco Systems | File Format | |
|---|---|---|---|
| Date Published | May 2003 | ||
| Format | White Papers | ||
| Topics | |||
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