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Cisco Systems Network Router C O N T E N T S, Objectives, Audience, Organization, Border Nodes

Models: Network Router

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C O N T E N T S

C O N T E N T S

About This Guide		xi
Objectives	xi
Audience	xi
Organization		xi
Conventions		xii
Documentation		xiii

		Documentation Notes for the April 2004 Product Releases xiii
		Related Documentation			xiii
		Technical Manual Order of Use					xiv
		Technical Manual Titles and Descriptions						xv
		Obtaining Documentation			xxvii
		Cisco.com	xxvii
		Ordering Documentation				xxvii
		Finding Documentation for Cisco MGX, BPX, SES, and CWM Products xxviii
		Changes to This Document				xxviii
		Documentation Feedback			xxix
		Obtaining Technical Assistance				xxix
		Cisco TAC Website		xxix
		Opening a TAC Case		xxix
		TAC Case Priority Definitions				xxx
		Obtaining Additional Publications and Information						xxx
		Introduction to PNNI
	C H A P T E R 1	Introduction to PNNI	1-1
		The PNNI Network Database			1-1
		The Single Peer Group Topology				1-2
		The Hierarchical PNNI Network Topology					1-3
		Peer Group Leaders		1-6
		Simple Node Representation				1-6
		Complex Node Representation 1-7
		Border Nodes	1-8
		Hierarchical PNNI Network Benefits					1-8
		PNNI Internetworking with AINI				1-8
		PNNI Internetworking with IISP				1-9
				Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5


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

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Cisco Systems Network Router C O N T E N T S, Objectives, Audience, Organization, Related Documentation, Cisco TAC Website

Contents

800 553-NETS Fax 408 Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseRelease April 14 Cisco Systems, Inc 170 West Tasman Drive San Jose, CACopyright 2003, Cisco Systems, Inc All rights reserved Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseOrganization C O N T E N T SObjectives AudienceCompatible Standards SpecificationsConnection Limit Adjustments Install Redundant Hardware in SwitchesSoft Rerouting Administrative WeightCell Transfer Delay WorksheetsContents Cisco PNNI Network Planning Guide for MGX and SES Products, ReleasePart Number OL-3847-01 Rev. D0, April P2MP Root, Leaf, and Party Components F I G U R E SExample Single Peer Group Topology Example PNNI Internetworking with AINI TopologyPart Number OL-3847-01 Rev. D0, April viiiFigures Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseProduct Releases Documents that Ship with Multiservice Switch ProductsCUG Configuration Worksheet T A B L E STables Cisco PNNI Network Planning Guide for MGX and SES Products, ReleasePart Number OL-3847-01 Rev. D0, April Organization About This GuideObjectives AudienceConventions xiii DocumentationDocumentation Notes for the April 2004 Product Releases Related DocumentationTechnical Manual Order of Use Terms Technical Manual Titles and DescriptionsPart Number OL-3847-01 Rev. D0, April Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseRelease Notes for Cisco MGX xviiCisco PNNI Network Planning xviiiService Module Configuration and Reference Guides Cisco ATM and Frame Relay 1. This document was not updated for the April 2004 release Contains precautions that you should take before you Document TitleDescription xxiixxiii Document TitleDescription xxiv Document TitleDescription Description Document Titlexxvi Document TitleDescription xxvii Obtaining DocumentationCisco.com Ordering DocumentationChapter 2, “Interoperability and Performance Changes to This DocumentFinding Documentation for Cisco MGX, BPX, SES, and CWM Products Chapter 1, “Introduction to PNNI”Opening a TAC Case Obtaining Technical AssistanceDocumentation Feedback Cisco TAC WebsiteObtaining Additional Publications and Information TAC Case Priority Definitionshttp//cisco.com/univercd/cc/td/doc/pcat 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 URL xxxiPart Number OL-3847-01 Rev. D0, April xxxiiAbout This Guide Obtaining Additional Publications and Information Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseThe Single Peer Group Topology The Hierarchical PNNI Network Topology Introduction to PNNIThe PNNI Network Database C H A P T E RThe 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 group Level Peer group Peer group Peer group Peer group PNNI networksLevel PpeerSimple Node Representation Peer Group LeadersComplex Node Representation PNNI Internetworking with AINI Border NodesHierarchical PNNI Network Benefits Figure 1-6 Example PNNI Internetworking with AINI Topology PNNI Internetworking with IISPPart Number OL-3847-01 Rev. D0, April 1-10Chapter 1 Introduction to PNNI PNNI Internetworking with IISP Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseC H A P T E R SpecificationsInteroperability and Performance Planning Compatible Standards2.1.7 Chapter 2 Interoperability and Performance Planning SpecificationsPXM45 CapabilitiesPage Table 2-3 Switch and CWM Connection Units for Each Connection Type Connection Limit AdjustmentsInstall Redundant Hardware in Switches Parallel Links Between Adjacent SwitchesPhysical Network Planning Multiple Paths Between Network Nodes Planning Guidelines for Individual Peer GroupsMultiple Links Between Adjacent Peer Groups Multiple Links to an External NetworkPlanning Guidelines for Hierarchical Networks Planning Guidelines for Peer Group LeadersPlanning Guidelines for Border Nodes Part Number OL-3847-01 Rev. D0, April Chapter 2 Interoperability and Performance PlanningPlanning Guidelines for Hierarchical Networks Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseAddress and Closed User Group Planning Address Planning OverviewC H A P T E R A.21 A2 A.22 Figure 3-1 PNNI Addressing ExampleA.11 A1 A.12 Peer group ASelecting an ATM Address Format Planning Address Configuration SettingsSupported Address Formats Description Guidelines for Selecting an Address FormatDefault Values ATM FieldAddress Registration Authorities Selecting a PNNI LevelFigure 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 Bytes LengthLevel Peer Group ID Portion of ATM Address3-10 Selecting the PNNI Peer Group ID3-11 Selecting the ATM Address3-12 Selecting the ILMI Address PrefixSelecting the SPVC Address Prefix Planning Address Prefixes for AINI and IISP LinksSelecting Static Addresses for UNI Ports Additional Guidelines for Creating an Address Plan3-13 3-14 Closed User Group Overview3-15 Planning CUG Configuration SettingsSelecting an Interlock Code Selecting an IndexSelecting 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 Part Number OL-3847-01 Rev. D0, April 3-20Chapter 3 Address and Closed User Group Planning Worksheets Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseLink and Route Metrics Administrative WeightPlanning Intermediate Route Selection How MGX and SES Nodes Select RoutesCell Transfer Delay Cell Delay VariationAvailable Cell Rate Shortest Path Table Routing Maximum Cell RateThe Shortest Path Tables Class Class of Service TablesService Traffic MetricHow SPVCs and SPVPs use the SPTs How SVCs and SVPs use the SPTsHow MGX and SES Nodes Select Links On-Demand RoutingLoad Balancing for SPT and On-Demand Routing Preferred Routing Additional Routing Features in MGX and SES NodesGrooming Priority RoutingNodal Point-to-Multipoint Branch Restriction Soft ReroutingPriority Bumping Blocking Pass-Through ConnectionsSlot Multicasting Supported 4-10Service Module Table 4-4 MGX Service Module Support for P2MP BranchingFigure 4-2 Farthest Node Branching 4-11Cisco PNNI Network Planning Guide for MGX and SES Products, Release 4-12Additional Routing Features in MGX and SES Nodes Chapter 4 Planning Intermediate Route SelectionNumerics I N D EIN-1 IN-2 IN-3 IN-4 IN-5 IN-6 IN-7 Part Number OL-3847-01 Rev. D0, April IN-8Index Cisco PNNI Network Planning Guide for MGX and SES Products, Release