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Cisco Systems Network Router manual 1-10, Introduction to PNNI PNNI Internetworking with IISP

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Chapter 1 Introduction to PNNI

PNNI Internetworking with IISP

	Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5
1-10	Part Number OL-3847-01 Rev. D0, April, 2004

Page 42

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Cisco Systems Network Router manual 1-10, Introduction to PNNI PNNI Internetworking with IISP

Contents

Cisco Systems, Inc 170 West Tasman Drive San Jose, CA Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseRelease April 14 800 553-NETS Fax 408Cisco PNNI Network Planning Guide for MGX and SES Products, Release Copyright 2003, Cisco Systems, Inc All rights reservedAudience C O N T E N T SObjectives OrganizationInstall Redundant Hardware in Switches SpecificationsConnection Limit Adjustments Compatible StandardsWorksheets Administrative WeightCell Transfer Delay Soft ReroutingContents Cisco PNNI Network Planning Guide for MGX and SES Products, ReleasePart Number OL-3847-01 Rev. D0, April Example PNNI Internetworking with AINI Topology F I G U R E SExample Single Peer Group Topology P2MP Root, Leaf, and Party ComponentsCisco PNNI Network Planning Guide for MGX and SES Products, Release viiiFigures Part Number OL-3847-01 Rev. D0, AprilT A B L E S Documents that Ship with Multiservice Switch ProductsCUG Configuration Worksheet Product ReleasesTables Cisco PNNI Network Planning Guide for MGX and SES Products, ReleasePart Number OL-3847-01 Rev. D0, April Audience About This GuideObjectives OrganizationConventions Related Documentation DocumentationDocumentation Notes for the April 2004 Product Releases xiiiTechnical Manual Order of Use Technical Manual Titles and Descriptions TermsCisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, Aprilxvii Release Notes for Cisco MGXxviii Cisco PNNI Network PlanningService Module Configuration and Reference Guides Cisco ATM and Frame Relay 1. This document was not updated for the April 2004 release xxii Document TitleDescription Contains precautions that you should take before youxxiii Document TitleDescription xxiv Document TitleDescription Document Title Descriptionxxvi Document TitleDescription Ordering Documentation Obtaining DocumentationCisco.com xxviiChapter 1, “Introduction to PNNI” Changes to This DocumentFinding Documentation for Cisco MGX, BPX, SES, and CWM Products Chapter 2, “Interoperability and PerformanceCisco TAC Website Obtaining Technical AssistanceDocumentation Feedback Opening a TAC CaseObtaining Additional Publications and Information TAC Case Priority Definitionshttp//cisco.com/univercd/cc/td/doc/pcat xxxi Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URLCisco PNNI Network Planning Guide for MGX and SES Products, Release xxxiiAbout This Guide Obtaining Additional Publications and Information Part Number OL-3847-01 Rev. D0, AprilC H A P T E R Introduction to PNNIThe PNNI Network Database The Single Peer Group Topology The Hierarchical PNNI Network TopologyThe Single Peer Group Topology The Hierarchical PNNI Network Topology The Hierarchical PNNI Network Topology PNNI Internetworking with AINIPNNI Internetworking with IISP Peer group Peer group Peer group PNNI networksPart Number OL-3847-01 Rev. D0, April Ppeer Peer group Peer group Peer group PNNI networksLevel group Level Peer groupPeer Group Leaders Simple Node RepresentationComplex Node Representation PNNI Internetworking with AINI Border NodesHierarchical PNNI Network Benefits PNNI Internetworking with IISP Figure 1-6 Example PNNI Internetworking with AINI TopologyCisco PNNI Network Planning Guide for MGX and SES Products, Release 1-10Chapter 1 Introduction to PNNI PNNI Internetworking with IISP Part Number OL-3847-01 Rev. D0, AprilCompatible Standards SpecificationsInteroperability and Performance Planning C H A P T E RCapabilities Chapter 2 Interoperability and Performance Planning SpecificationsPXM45 2.1.7Page Connection Limit Adjustments Table 2-3 Switch and CWM Connection Units for Each Connection TypeInstall Redundant Hardware in Switches Parallel Links Between Adjacent SwitchesPhysical Network Planning Multiple Links to an External Network Planning Guidelines for Individual Peer GroupsMultiple Links Between Adjacent Peer Groups Multiple Paths Between Network NodesPlanning Guidelines for Hierarchical Networks Planning Guidelines for Peer Group LeadersPlanning Guidelines for Border Nodes Cisco PNNI Network Planning Guide for MGX and SES Products, Release Chapter 2 Interoperability and Performance PlanningPlanning Guidelines for Hierarchical Networks Part Number OL-3847-01 Rev. D0, AprilAddress and Closed User Group Planning Address Planning OverviewC H A P T E R Peer group A Figure 3-1 PNNI Addressing ExampleA.11 A1 A.12 A.21 A2 A.22Planning Address Configuration Settings Selecting an ATM Address FormatSupported Address Formats ATM Field Guidelines for Selecting an Address FormatDefault Values DescriptionSelecting a PNNI Level Address Registration AuthoritiesFigure 3-4 shows an example topology of a PNNI MPG WAN The network shown in Figure 3-4 uses the same physical topology as that shown in Figure 3-3 for an SPG WAN. The difference is that the physical network has been divided into five peer groups at level Peer Group ID Portion of ATM Address LengthLevel BytesSelecting the PNNI Peer Group ID 3-10Selecting the ATM Address 3-11Planning Address Prefixes for AINI and IISP Links Selecting the ILMI Address PrefixSelecting the SPVC Address Prefix 3-12Selecting Static Addresses for UNI Ports Additional Guidelines for Creating an Address Plan3-13 Closed User Group Overview 3-14Selecting an Index Planning CUG Configuration SettingsSelecting an Interlock Code 3-15Selecting Internal CUG Access Options Selecting CPE Addresses3-16 Selecting External CUG Access Options Specifying a Preferential CUG3-17 Selecting a Default CUG Address Worksheets3-18 3-19 Table 3-6 CUG Configuration WorksheetTable 3-5 Port Address Worksheet Cisco PNNI Network Planning Guide for MGX and SES Products, Release 3-20Chapter 3 Address and Closed User Group Planning Worksheets Part Number OL-3847-01 Rev. D0, AprilHow MGX and SES Nodes Select Routes Administrative WeightPlanning Intermediate Route Selection Link and Route MetricsCell Transfer Delay Cell Delay VariationAvailable Cell Rate Shortest Path Table Routing Maximum Cell RateThe Shortest Path Tables Traffic Metric Class of Service TablesService ClassHow SVCs and SVPs use the SPTs How SPVCs and SPVPs use the SPTsHow MGX and SES Nodes Select Links On-Demand RoutingLoad Balancing for SPT and On-Demand Routing Additional Routing Features in MGX and SES Nodes Preferred RoutingPriority Routing GroomingBlocking Pass-Through Connections Soft ReroutingPriority Bumping Nodal Point-to-Multipoint Branch RestrictionTable 4-4 MGX Service Module Support for P2MP Branching 4-10Service Module Slot Multicasting Supported4-11 Figure 4-2 Farthest Node BranchingChapter 4 Planning Intermediate Route Selection 4-12Additional Routing Features in MGX and SES Nodes Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseNumerics I N D EIN-1 IN-2 IN-3 IN-4 IN-5 IN-6 IN-7 Cisco PNNI Network Planning Guide for MGX and SES Products, Release IN-8Index Part Number OL-3847-01 Rev. D0, April