Cisco Network Router

Contents
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Cisco PNNI Network Planning Guide for MGX and SES Products, Release 5
Part Number OL-3847-01 Rev. D0, April, 2004
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
CHAPTER 4 Planning Intermediate Route Selection 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 NDEX