Objectives, Audience, Organization | Cisco Systems Network Router

About This Guide

This preface describes the objectives, audience, organization, and conventions of the Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5.

Objectives

This guide describes how to plan a PNNI network before for installing and configuring the following products:

•Cisco MGX 8830 Release 3.0 and higher

•Cisco MGX 8850 (PXM1E) Release 3.0 and higher

•Cisco MGX 8850 (PXM45) Release 2.0 and higher

•Cisco MGX 8880 Media Gateway Release 5.0 and higher

•Cisco MGX 8950 Release 2.1.60 and higher

•Cisco BPX 8600 and Cisco Service Expansion Shelf (SES) with SES Release 1.0 or later software

Audience

The Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5 helps network architects and planners identify the information they need to provide to the personnel that will install and configure the PNNI switch products described in this guide.

Organization

The major sections of this document are as follows:

•Chapter 1, “Introduction to PNNI,” introduces PNNI network concepts, components, and terminology.

•Chapter 2, “Interoperability and Performance Planning,” lists PNNI network specifications and provides general guidelines for planning PNNI networks.

		Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5

	Part Number OL-3847-01 Rev. D0, April, 2004			xi
	Part Number OL-3847-01 Rev. D0, April, 2004			xi

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Cisco Systems Network Router manual Objectives, Audience, Organization

Contents

Text Part Number OL-3847-01 Rev. D0 Corporate Headquarters Copyright 2003, Cisco Systems, Inc All rights reserved Iii N T E N T S Compatible Standards Worksheets Part Number OL-3847-01 Rev. D0, April Vii G U R E S Viii B L E S Part Number OL-3847-01 Rev. D0, April Organization ObjectivesAudience Xii Conventions Xiii DocumentationDocumentation Notes for the April 2004 Product Releases Related Documentation Xiv Technical Manual Order of Use Terms Technical Manual Titles and Descriptions Xvi Xvii Xviii Xix Reference Guides Xxi Xxii Document Title Description Xxiii Xxiv Xxv Xxvi Xxvii Obtaining DocumentationCisco.com Ordering Documentation Xxviii Changes to This DocumentChapter Changes Opening a TAC Case Obtaining Technical AssistanceDocumentation Feedback Cisco TAC Website Xxx Obtaining Additional Publications and InformationTAC Case Priority Definitions Xxxi Xxxii Pnni Network Database Introduction to Pnni Single Peer Group Topology Example Single Peer Group Topology Hierarchical Pnni Network Topology Peer group Ppeer Simple Node Representation Peer Group Leaders Simple Node Representation Complex Node Representation Hierarchical Pnni Network Benefits Pnni Internetworking with AiniBorder Nodes Example Pnni Internetworking with Aini Topology Pnni Internetworking with Iisp Part Number OL-3847-01 Rev. D0, April Compatible Standards Specifications PXM45/B PXM45Capabilities PXM1E SES Capabilities SES DAX Spvc Connection Limit AdjustmentsConnection Type Switch Connections CWM Endpoints SVC Physical Network Planning Install Redundant Hardware in SwitchesParallel Links Between Adjacent Switches Multiple Paths Between Network Nodes Planning Guidelines for Individual Peer GroupsMultiple Links Between Adjacent Peer Groups Multiple Links to an External Network Planning Guidelines for Border Nodes Planning Guidelines for Hierarchical NetworksPlanning Guidelines for Peer Group Leaders Part Number OL-3847-01 Rev. D0, April Address Planning Overview Address and Closed User Group Planning Pnni Addressing Example Selecting an ATM Address Format Planning Address Configuration Settings ESI SEL IDP DSP Supported Address Formats Guidelines for Selecting an Address Format ATM Field Description Default Values DCC Selecting a Pnni LevelAddress Registration Authorities Category Type Authorities 4shows an example topology of a Pnni MPG WAN Part Number OL-3847-01 Rev. D0, April Level Peer Group ID Portion of ATM Address Bytes Length Selecting the Pnni Peer Group ID Default Peer Group ID 20-byte Node Address Selecting the ATM Address Planning Address Prefixes for Aini and Iisp Links Selecting the Ilmi Address PrefixSelecting the Spvc Address Prefix Additional Guidelines for Creating an Address Plan Selecting Static Addresses for UNI Ports Closed User Group Example Closed User Group Overview Selecting an Index Planning CUG Configuration SettingsSelecting an Interlock Code Selecting CPE Addresses Selecting Internal CUG Access Options Specifying a Preferential CUG Selecting External CUG Access Options Worksheets Selecting a Default CUG Address CUG Part Number OL-3847-01 Rev. D0, April Link and Route Metrics Administrative WeightHow MGX and SES Nodes Select Routes Available Cell Rate Cell Transfer DelayCell Delay Variation Shortest Path Tables Shortest Path Table RoutingMaximum Cell Rate Traffic Metric Class of Service TablesService Class Acronym Definition Guidelines CTD CDV How SPVCs and SPVPs use the SPTs How SVCs and SVPs use the SPTs Load Balancing for SPT and On-Demand Routing How MGX and SES Nodes Select LinksOn-Demand Routing CLR0+12 Additional Routing Features in MGX and SES NodesService Preferred Routing Grooming Priority Routing Nodal Point-to-Multipoint Branch Restriction Soft ReroutingPriority Bumping Blocking Pass-Through Connections AXSM-XG AXSM/AAXSM/B AXSM-E Farthest Node Branching Part Number OL-3847-01 Rev. D0, April Ansi APS ABRAesa Aini IN-2 P2MPCBR CTD IN-3 CUGCWM DIN IN-4 IN-5 PGLPnni MGX SES IN-6 IN-7 UBRUNI TAC IN-8