Contents

 

 

Planning CUG Configuration Settings

3-15

 

 

 

 

Selecting an Interlock Code

3-15

 

 

 

 

 

 

Selecting an Index

3-15

 

 

 

 

 

 

 

 

Selecting CPE Addresses

3-16

 

 

 

 

 

 

Selecting Internal CUG Access Options

3-16

 

 

 

Selecting External CUG Access Options

3-17

 

 

 

Specifying a Preferential CUG

3-17

 

 

 

 

 

Selecting a Default CUG Address

3-18

 

 

 

 

Worksheets

3-18

 

 

 

 

 

 

 

 

 

Planning Intermediate Route Selection

 

 

 

 

 

C H A P T E R 4

 

4-1

 

 

 

 

How MGX and SES Nodes Select Routes

4-1

 

 

 

Link and Route Metrics

4-1

 

 

 

 

 

 

 

Administrative Weight

4-1

 

 

 

 

 

 

Cell Transfer Delay

4-2

 

 

 

 

 

 

 

Cell Delay Variation

4-2

 

 

 

 

 

 

 

Available Cell Rate

4-2

 

 

 

 

 

 

 

Maximum Cell Rate

4-3

 

 

 

 

 

 

 

Shortest Path Table Routing

4-3

 

 

 

 

 

 

The Shortest Path Tables

4-3

 

 

 

 

 

How SVCs and SVPs use the SPTs

4-5

 

 

 

How SPVCs and SPVPs use the SPTs

4-5

 

 

 

On-Demand Routing

4-6

 

 

 

 

 

 

 

 

Load Balancing for SPT and On-Demand Routing

4-6

 

 

How MGX and SES Nodes Select Links

 

4-6

 

 

 

 

Additional Routing Features in MGX and SES Nodes

4-7

 

 

Preferred Routing

 

4-7

 

 

 

 

 

 

 

 

Priority Routing

4-8

 

 

 

 

 

 

 

 

Grooming

4-8

 

 

 

 

 

 

 

 

 

 

Soft Rerouting

4-9

 

 

 

 

 

 

 

 

 

Priority Bumping

4-9

 

 

 

 

 

 

 

 

Blocking Pass-Through Connections

4-9

 

 

 

 

Nodal Point-to-Multipoint Branch Restriction 4-9

 

I N D E X

 

 

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

 

 

 

 

 

 

 

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

 

 

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