Cisco Systems A9014CFD manual Objectives, Audience, Organization, Xlvii

Chapter

Document
Number	Date	Change Summary
		• REP over LAG—Effective with Cisco IOS Release 15.4(1)S,
		the Cisco ASR 901 supports REP over port-channel.
		• Switched Port Analyzer (SPAN)—Effective with Cisco IOS
		Release 15.4(1)S, the Cisco ASR 901 supports Local SPAN.
		Local SPAN supports a SPAN session entirely within one
		switch. You can analyze network traffic passing through
		ports or VLANs by using SPAN to send a copy of the traffic
		to another port on the switch that has been connected to a
		network analyzer or other monitoring or security devices.
		SPAN copies (or mirrors) traffic received or sent (or both) on
		source ports to a destination port for analysis.
		• Y.1564 over EVC CrossConnect—Effective with Cisco IOS
		release 15.4.(01)S, traffic can be generated over cross
		connect interface. Figure 10-3 shows the Traffic Generator
		topology over cross connect describing the traffic flow in the
		external and internal modes.

Objectives

This guide explains how to configure software features on the Cisco ASR 901-TDM version and Cisco ASR 901-Ethernet version routers. Unless otherwise stated, the features described in this guide apply to both the routers.

Audience

This guide is for the person responsible for configuring the router. This guide is intended for the following audiences:

•Customers with technical networking background and experience.

•System administrators who are familiar with the fundamentals of router-based internetworking, but who may not be familiar with Cisco IOS software.

•System administrators who are responsible for installing and configuring internetworking equipment, and who are familiar with Cisco IOS software.

Organization

The major sections of this software configuration guide are listed in the following table:

Chapter	Description
Chapter 1, “Cisco ASR 901	Provides an overview of the Cisco ASR 901 router.
Router Overview”
Chapter 2, “Licensing”	Describes the licensing aspects of the router.

	Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09		-xlvii