Cisco Systems Network Router manual N T E N T S, Iii

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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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Contents Text Part Number OL-3847-01 Rev. D0 Corporate HeadquartersCopyright 2003, Cisco Systems, Inc All rights reserved Iii N T E N T SCompatible Standards Worksheets Part Number OL-3847-01 Rev. D0, April Vii G U R E SViii B L E S Part Number OL-3847-01 Rev. D0, April Objectives AudienceOrganization Xii ConventionsXiii DocumentationDocumentation Notes for the April 2004 Product Releases Related DocumentationXiv Technical Manual Order of UseTerms Technical Manual Titles and DescriptionsXvi Xvii Xviii Xix Reference Guides Xxi Xxii Document Title DescriptionXxiii Xxiv Xxv Xxvi Xxvii Obtaining DocumentationCisco.com Ordering DocumentationChanges to This Document Chapter ChangesXxviii Opening a TAC Case Obtaining Technical AssistanceDocumentation Feedback Cisco TAC WebsiteObtaining Additional Publications and Information TAC Case Priority DefinitionsXxx Xxxi Xxxii Pnni Network Database Introduction to PnniSingle Peer Group Topology Example Single Peer Group Topology Hierarchical Pnni Network TopologyPeer group Ppeer Simple Node Representation Peer Group LeadersSimple Node Representation Complex Node RepresentationPnni Internetworking with Aini Border NodesHierarchical Pnni Network Benefits Example Pnni Internetworking with Aini Topology Pnni Internetworking with IispPart Number OL-3847-01 Rev. D0, April Compatible Standards SpecificationsPXM45/B PXM45Capabilities PXM1ESES Capabilities SESDAX Spvc Connection Limit AdjustmentsConnection Type Switch Connections CWM Endpoints SVCInstall 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 Address Planning Overview Address and Closed User Group PlanningPnni Addressing Example Selecting an ATM Address Format Planning Address Configuration SettingsESI SEL IDP DSP Supported Address FormatsGuidelines for Selecting an Address Format ATM Field Description Default ValuesDCC Selecting a Pnni LevelAddress Registration Authorities Category Type Authorities4shows 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 LengthSelecting the Pnni Peer Group ID Default Peer Group ID20-byte Node Address Selecting the ATM AddressSelecting the Ilmi Address Prefix Selecting the Spvc Address PrefixPlanning Address Prefixes for Aini and Iisp Links Additional Guidelines for Creating an Address Plan Selecting Static Addresses for UNI PortsClosed User Group Example Closed User Group OverviewPlanning CUG Configuration Settings Selecting an Interlock CodeSelecting an Index Selecting CPE Addresses Selecting Internal CUG Access OptionsSpecifying a Preferential CUG Selecting External CUG Access OptionsWorksheets Selecting a Default CUG AddressCUG Part Number OL-3847-01 Rev. D0, April Administrative Weight How MGX and SES Nodes Select RoutesLink and Route Metrics Cell Transfer Delay Cell Delay VariationAvailable Cell Rate Shortest Path Table Routing Maximum Cell RateShortest Path Tables Traffic Metric Class of Service TablesService Class Acronym Definition Guidelines CTD CDVHow 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 CLR0+12 Additional Routing Features in MGX and SES NodesService Preferred RoutingGrooming Priority RoutingNodal Point-to-Multipoint Branch Restriction Soft ReroutingPriority Bumping Blocking Pass-Through ConnectionsAXSM-XG AXSM/AAXSM/B AXSM-EFarthest Node Branching Part Number OL-3847-01 Rev. D0, April Ansi APS ABRAesa AiniIN-2 P2MPCBR CTDIN-3 CUGCWM DININ-4 IN-5 PGLPnni MGX SESIN-6 IN-7 UBRUNI TACIN-8