Cisco Catalyst 4500 Series Administration Guide

CHAPTER
58-1
Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL_28731-01
58
Configuring SPAN and RSPAN
This chapter describes how to configure the Switched Port Analyzer (SPAN) and Remote SPAN
(RSPAN) on the Catalyst 4500 series switches. SPAN selects network traffic for analysis by a network
analyzer, such as a SwitchProbe device or other Remote Monitoring (RMON) probe.
This chapter consists of the following sections:
• About SPAN and RSPAN, page 58-1
• Configuring SPAN, page 58-7
• CPU Port Sniffing, page 58-10
• Encapsulation Configuration, page 58-12
• Ingress Packets, page 58-12
• Access List Filtering, page 58-13
• Packet Type Filtering, page 58-14
• Configuration Example, page 58-15
• Configuring RSPAN, page 58-16
• Displaying SPAN and RSPAN Status, page 58-24
Note For complete syntax and usage information for the switch commands used in this chapter, see the Cisco
Catalyst 4500 Series Switch Command Reference and related publications at this location:
http://www.cisco.com/en/US/products/hw/switches/ps4324/index.html
If a command is not in the Catalyst 4500 Series Switch Command Reference, you can locate it in the
Cisco IOS library. See the Catalyst 4500 Series Switch Cisco IOS Command Reference and related
publications at this location:
http://www.cisco.com/en/US/products/ps6350/index.html
About SPAN and RSPAN
This sections includes the following subsections:
• SPAN and RSPAN Concepts and Terminology, page 58-3
• SPAN and RSPAN Session Limits, page 58-6

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E