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Cisco Systems Network Router manual 4-12, Planning Intermediate Route Selection

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Chapter 4 Planning Intermediate Route Selection

Additional Routing Features in MGX and SES Nodes

	Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5
4-12	Part Number OL-3847-01 Rev. D0, April, 2004

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Cisco Systems Network Router 4-12, Planning Intermediate Route Selection, Additional Routing Features in MGX and SES Nodes

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 ReroutingCisco PNNI Network Planning Guide for MGX and SES Products, Release ContentsPart 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 ReleasesCisco PNNI Network Planning Guide for MGX and SES Products, Release TablesPart 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 youDocument Title xxiiiDescription Document Title xxivDescription Document Title DescriptionDocument Title xxviDescription 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 CaseTAC Case Priority Definitions Obtaining Additional Publications and Informationhttp//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 PNNI Internetworking with AINI The Hierarchical PNNI Network TopologyPNNI Internetworking with IISP PNNI networks Peer group Peer group Peer groupPart 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 Border Nodes PNNI Internetworking with AINIHierarchical 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 TypeParallel Links Between Adjacent Switches Install Redundant Hardware in 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 Peer Group Leaders Planning Guidelines for Hierarchical NetworksPlanning 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 Planning Overview Address and Closed User Group PlanningC 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 3-12Additional Guidelines for Creating an Address Plan Selecting Static Addresses for UNI Ports3-13 Closed User Group Overview 3-14Selecting an Index Planning CUG Configuration SettingsSelecting an Interlock Code 3-15Selecting CPE Addresses Selecting Internal CUG Access Options3-16 Specifying a Preferential CUG Selecting External CUG Access Options3-17 Worksheets Selecting a Default CUG Address3-18 Table 3-6 CUG Configuration Worksheet 3-19Table 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 Delay Variation Cell Transfer DelayAvailable Cell Rate Maximum Cell Rate Shortest Path Table RoutingThe Shortest Path Tables Traffic Metric Class of Service TablesService ClassHow SVCs and SVPs use the SPTs How SPVCs and SPVPs use the SPTsOn-Demand Routing How MGX and SES Nodes Select LinksLoad 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, ReleaseI N D E NumericsIN-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