Cisco Systems Network Router manual Part Number OL-3847-01 Rev. D0, April

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Chapter 2 Interoperability and Performance Planning

Planning Guidelines for Hierarchical Networks

	Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5
2-8	Part Number OL-3847-01 Rev. D0, April, 2004

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Contents Corporate Headquarters Text Part Number OL-3847-01 Rev. D0Copyright 2003, Cisco Systems, Inc All rights reserved N T E N T S IiiCompatible Standards Worksheets Part Number OL-3847-01 Rev. D0, April G U R E S ViiViii B L E S Part Number OL-3847-01 Rev. D0, April Organization ObjectivesAudience Conventions XiiRelated Documentation DocumentationDocumentation Notes for the April 2004 Product Releases XiiiTechnical Manual Order of Use XivTechnical Manual Titles and Descriptions TermsXvi Xvii Xviii Xix Reference Guides Xxi Document Title Description XxiiXxiii Xxiv Xxv Xxvi Ordering Documentation Obtaining DocumentationCisco.com XxviiXxviii Changes to This DocumentChapter Changes Cisco TAC Website Obtaining Technical AssistanceDocumentation Feedback Opening a TAC CaseXxx Obtaining Additional Publications and InformationTAC Case Priority Definitions Xxxi Xxxii Introduction to Pnni Pnni Network DatabaseSingle Peer Group Topology Hierarchical Pnni Network Topology Example Single Peer Group TopologyPeer group Ppeer Peer Group Leaders Simple Node RepresentationComplex Node Representation Simple Node RepresentationHierarchical Pnni Network Benefits Pnni Internetworking with AiniBorder Nodes Pnni Internetworking with Iisp Example Pnni Internetworking with Aini TopologyPart Number OL-3847-01 Rev. D0, April Specifications Compatible StandardsPXM1E PXM45Capabilities PXM45/BCapabilities SES SESSVC Connection Limit AdjustmentsConnection Type Switch Connections CWM Endpoints DAX SpvcPhysical Network Planning Install Redundant Hardware in SwitchesParallel Links Between Adjacent Switches Multiple Links to an External Network Planning Guidelines for Individual Peer GroupsMultiple Links Between Adjacent Peer Groups Multiple Paths Between Network NodesPlanning Guidelines for Border Nodes Planning Guidelines for Hierarchical NetworksPlanning Guidelines for Peer Group Leaders Part Number OL-3847-01 Rev. D0, April Address and Closed User Group Planning Address Planning OverviewPnni Addressing Example Planning Address Configuration Settings Selecting an ATM Address FormatSupported Address Formats ESI SEL IDP DSPATM Field Description Default Values Guidelines for Selecting an Address FormatCategory Type Authorities Selecting a Pnni LevelAddress Registration Authorities DCC4shows an example topology of a Pnni MPG WAN Part Number OL-3847-01 Rev. D0, April Length Level Peer Group ID Portion of ATM Address BytesDefault Peer Group ID Selecting the Pnni Peer Group IDSelecting the ATM Address 20-byte Node AddressPlanning Address Prefixes for Aini and Iisp Links Selecting the Ilmi Address PrefixSelecting the Spvc Address Prefix Selecting Static Addresses for UNI Ports Additional Guidelines for Creating an Address PlanClosed User Group Overview Closed User Group ExampleSelecting an Index Planning CUG Configuration SettingsSelecting an Interlock Code Selecting Internal CUG Access Options Selecting CPE AddressesSelecting External CUG Access Options Specifying a Preferential CUGSelecting a Default CUG Address WorksheetsCUG 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 CTD CDV Class of Service TablesService Class Acronym Definition Guidelines Traffic MetricHow SVCs and SVPs use the SPTs How SPVCs and SPVPs use the SPTsLoad Balancing for SPT and On-Demand Routing How MGX and SES Nodes Select LinksOn-Demand Routing Preferred Routing Additional Routing Features in MGX and SES NodesService CLR0+12Priority Routing GroomingBlocking Pass-Through Connections Soft ReroutingPriority Bumping Nodal Point-to-Multipoint Branch RestrictionAXSM-E AXSM/AAXSM/B AXSM-XGFarthest Node Branching Part Number OL-3847-01 Rev. D0, April Aini ABRAesa Ansi APSCTD P2MPCBR IN-2DIN CUGCWM IN-3IN-4 MGX SES PGLPnni IN-5IN-6 TAC UBRUNI IN-7IN-8