Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Release April 14
Cisco Systems, Inc 170 West Tasman Drive San Jose, CA
800 553-NETS Fax 408
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Copyright 2003, Cisco Systems, Inc All rights reserved
C O N T E N T S
Objectives
Audience
Organization
Specifications
Connection Limit Adjustments
Install Redundant Hardware in Switches
Compatible Standards
Administrative Weight
Cell Transfer Delay
Worksheets
Soft Rerouting
Part Number OL-3847-01 Rev. D0, April
Contents
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
F I G U R E S
Example Single Peer Group Topology
Example PNNI Internetworking with AINI Topology
P2MP Root, Leaf, and Party Components
viii
Figures
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April
Documents that Ship with Multiservice Switch Products
CUG Configuration Worksheet
T A B L E S
Product Releases
Part Number OL-3847-01 Rev. D0, April
Tables
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
About This Guide
Objectives
Audience
Organization
Conventions
Documentation
Documentation Notes for the April 2004 Product Releases
Related Documentation
xiii
Technical Manual Order of Use
Technical Manual Titles and Descriptions
Terms
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April
xvii
Release Notes for Cisco MGX
xviii
Cisco PNNI Network Planning
Service Module Configuration and Reference Guides
Cisco ATM and Frame Relay
1. This document was not updated for the April 2004 release
Document Title
Description
xxii
Contains precautions that you should take before you
Description
xxiii
Document Title
Description
xxiv
Document Title
Document Title
Description
Description
xxvi
Document Title
Obtaining Documentation
Cisco.com
Ordering Documentation
xxvii
Changes to This Document
Finding Documentation for Cisco MGX, BPX, SES, and CWM Products
Chapter 1, “Introduction to PNNI”
Chapter 2, “Interoperability and Performance
Obtaining Technical Assistance
Documentation Feedback
Cisco TAC Website
Opening a TAC Case
http//cisco.com/univercd/cc/td/doc/pcat
Obtaining Additional Publications and Information
TAC Case Priority Definitions
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 URL
xxxii
About This Guide Obtaining Additional Publications and Information
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April
Introduction to PNNI
The PNNI Network Database
C H A P T E R
The Single Peer Group Topology The Hierarchical PNNI Network Topology
The Single Peer Group Topology
PNNI Internetworking with IISP
The Hierarchical PNNI Network Topology
The Hierarchical PNNI Network Topology PNNI Internetworking with AINI
Part Number OL-3847-01 Rev. D0, April
Peer group Peer group Peer group
PNNI networks
Peer group Peer group Peer group PNNI networks
Level
Ppeer
group Level Peer group
Peer Group Leaders
Simple Node Representation
Complex Node Representation
Hierarchical PNNI Network Benefits
PNNI Internetworking with AINI
Border Nodes
PNNI Internetworking with IISP
Figure 1-6 Example PNNI Internetworking with AINI Topology
1-10
Chapter 1 Introduction to PNNI PNNI Internetworking with IISP
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April
Specifications
Interoperability and Performance Planning
Compatible Standards
C H A P T E R
Chapter 2 Interoperability and Performance Planning Specifications
PXM45
Capabilities
2.1.7
Page
Connection Limit Adjustments
Table 2-3 Switch and CWM Connection Units for Each Connection Type
Physical Network Planning
Install Redundant Hardware in Switches
Parallel Links Between Adjacent Switches
Planning Guidelines for Individual Peer Groups
Multiple Links Between Adjacent Peer Groups
Multiple Links to an External Network
Multiple Paths Between Network Nodes
Planning Guidelines for Border Nodes
Planning Guidelines for Hierarchical Networks
Planning Guidelines for Peer Group Leaders
Chapter 2 Interoperability and Performance Planning
Planning Guidelines for Hierarchical Networks
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April
C H A P T E R
Address and Closed User Group Planning
Address Planning Overview
Figure 3-1 PNNI Addressing Example
A.11 A1 A.12
Peer group A
A.21 A2 A.22
Planning Address Configuration Settings
Selecting an ATM Address Format
Supported Address Formats
Guidelines for Selecting an Address Format
Default Values
ATM Field
Description
Selecting a PNNI Level
Address Registration Authorities
Figure 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
Length
Level
Peer Group ID Portion of ATM Address
Bytes
Selecting the PNNI Peer Group ID
3-10
Selecting the ATM Address
3-11
Selecting the ILMI Address Prefix
Selecting the SPVC Address Prefix
Planning Address Prefixes for AINI and IISP Links
3-12
3-13
Selecting Static Addresses for UNI Ports
Additional Guidelines for Creating an Address Plan
Closed User Group Overview
3-14
Planning CUG Configuration Settings
Selecting an Interlock Code
Selecting an Index
3-15
3-16
Selecting Internal CUG Access Options
Selecting CPE Addresses
3-17
Selecting External CUG Access Options
Specifying a Preferential CUG
3-18
Selecting a Default CUG Address
Worksheets
Table 3-5 Port Address Worksheet
3-19
Table 3-6 CUG Configuration Worksheet
3-20
Chapter 3 Address and Closed User Group Planning Worksheets
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April
Administrative Weight
Planning Intermediate Route Selection
How MGX and SES Nodes Select Routes
Link and Route Metrics
Available Cell Rate
Cell Transfer Delay
Cell Delay Variation
The Shortest Path Tables
Shortest Path Table Routing
Maximum Cell Rate
Class of Service Tables
Service
Traffic Metric
Class
How SVCs and SVPs use the SPTs
How SPVCs and SPVPs use the SPTs
Load Balancing for SPT and On-Demand Routing
How MGX and SES Nodes Select Links
On-Demand Routing
Additional Routing Features in MGX and SES Nodes
Preferred Routing
Priority Routing
Grooming
Soft Rerouting
Priority Bumping
Blocking Pass-Through Connections
Nodal Point-to-Multipoint Branch Restriction
4-10
Service Module
Table 4-4 MGX Service Module Support for P2MP Branching
Slot Multicasting Supported
4-11
Figure 4-2 Farthest Node Branching
4-12
Additional Routing Features in MGX and SES Nodes
Chapter 4 Planning Intermediate Route Selection
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
IN-1
Numerics
I N D E
IN-2
IN-3
IN-4
IN-5
IN-6
IN-7
IN-8
Index
Cisco PNNI Network Planning Guide for MGX and SES Products, Release
Part Number OL-3847-01 Rev. D0, April