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Cisco Systems Network Router manual Release April 14, 800 553-NETS Fax 408

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Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5

Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5

Release 5

April 14, 2004

Corporate Headquarters

Cisco Systems, Inc.

170 West Tasman Drive San Jose, CA 95134-1706

USA http://www.cisco.com Tel: 408 526-4000

800553-NETS (6387)

Fax: 408 526-4100

Text Part Number: OL-3847-01 Rev. D0

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Cisco Systems Network Router manual Cisco PNNI Network Planning Guide for MGX and SES Products, Release, Release April 14

Contents

Release April 14 Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseCisco Systems, Inc 170 West Tasman Drive San Jose, CA 800 553-NETS Fax 408Copyright 2003, Cisco Systems, Inc All rights reserved Cisco PNNI Network Planning Guide for MGX and SES Products, ReleaseObjectives C O N T E N T SAudience OrganizationConnection Limit Adjustments SpecificationsInstall Redundant Hardware in Switches Compatible StandardsCell Transfer Delay Administrative WeightWorksheets Soft ReroutingCisco PNNI Network Planning Guide for MGX and SES Products, Release ContentsPart Number OL-3847-01 Rev. D0, April Example Single Peer Group Topology F I G U R E SExample PNNI Internetworking with AINI Topology P2MP Root, Leaf, and Party ComponentsFigures viiiCisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, AprilCUG Configuration Worksheet Documents that Ship with Multiservice Switch ProductsT A B L E S Product ReleasesCisco PNNI Network Planning Guide for MGX and SES Products, Release TablesPart Number OL-3847-01 Rev. D0, April Objectives About This GuideAudience OrganizationConventions Documentation Notes for the April 2004 Product Releases DocumentationRelated Documentation xiiiTechnical 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 Description Document Titlexxii Contains precautions that you should take before youDocument Title xxiiiDescription Document Title xxivDescription Description Document TitleDocument Title xxviDescription Cisco.com Obtaining DocumentationOrdering Documentation xxviiFinding Documentation for Cisco MGX, BPX, SES, and CWM Products Changes to This DocumentChapter 1, “Introduction to PNNI” Chapter 2, “Interoperability and PerformanceDocumentation Feedback Obtaining Technical AssistanceCisco TAC Website Opening a TAC CaseTAC Case Priority Definitions Obtaining Additional Publications and Informationhttp//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 xxxiAbout This Guide Obtaining Additional Publications and Information xxxiiCisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, AprilThe PNNI Network Database Introduction to PNNIC H A P T E R 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 Level Peer group Peer group Peer group PNNI networksPpeer group Level Peer groupSimple Node Representation Peer Group LeadersComplex Node Representation Border Nodes PNNI Internetworking with AINIHierarchical PNNI Network Benefits Figure 1-6 Example PNNI Internetworking with AINI Topology PNNI Internetworking with IISPChapter 1 Introduction to PNNI PNNI Internetworking with IISP 1-10Cisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, AprilInteroperability and Performance Planning SpecificationsCompatible Standards C H A P T E RPXM45 Chapter 2 Interoperability and Performance Planning SpecificationsCapabilities 2.1.7Page Table 2-3 Switch and CWM Connection Units for Each Connection Type Connection Limit AdjustmentsParallel Links Between Adjacent Switches Install Redundant Hardware in SwitchesPhysical Network Planning Multiple Links Between Adjacent Peer Groups Planning Guidelines for Individual Peer GroupsMultiple Links to an External Network Multiple Paths Between Network NodesPlanning Guidelines for Peer Group Leaders Planning Guidelines for Hierarchical NetworksPlanning Guidelines for Border Nodes Planning Guidelines for Hierarchical Networks Chapter 2 Interoperability and Performance PlanningCisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, AprilAddress Planning Overview Address and Closed User Group PlanningC H A P T E R A.11 A1 A.12 Figure 3-1 PNNI Addressing ExamplePeer group A A.21 A2 A.22Selecting an ATM Address Format Planning Address Configuration SettingsSupported Address Formats Default Values Guidelines for Selecting an Address FormatATM Field DescriptionAddress 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 Level LengthPeer Group ID Portion of ATM Address Bytes3-10 Selecting the PNNI Peer Group ID3-11 Selecting the ATM AddressSelecting the SPVC Address Prefix Selecting the ILMI Address PrefixPlanning Address Prefixes for AINI and IISP Links 3-12Additional Guidelines for Creating an Address Plan Selecting Static Addresses for UNI Ports3-13 3-14 Closed User Group OverviewSelecting an Interlock Code Planning CUG Configuration SettingsSelecting an Index 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 Chapter 3 Address and Closed User Group Planning Worksheets 3-20Cisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, AprilPlanning Intermediate Route Selection Administrative WeightHow MGX and SES Nodes Select Routes Link and Route MetricsCell Delay Variation Cell Transfer DelayAvailable Cell Rate Maximum Cell Rate Shortest Path Table RoutingThe Shortest Path Tables Service Class of Service TablesTraffic Metric ClassHow SPVCs and SPVPs use the SPTs How SVCs and SVPs use the SPTsOn-Demand Routing How MGX and SES Nodes Select LinksLoad Balancing for SPT and On-Demand Routing Preferred Routing Additional Routing Features in MGX and SES NodesGrooming Priority RoutingPriority Bumping Soft ReroutingBlocking Pass-Through Connections Nodal Point-to-Multipoint Branch RestrictionService Module 4-10Table 4-4 MGX Service Module Support for P2MP Branching Slot Multicasting SupportedFigure 4-2 Farthest Node Branching 4-11Additional Routing Features in MGX and SES Nodes 4-12Chapter 4 Planning Intermediate Route Selection 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 Index IN-8Cisco PNNI Network Planning Guide for MGX and SES Products, Release Part Number OL-3847-01 Rev. D0, April