Cisco Systems Network Router Manual De Usuario
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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
About This Guide
Documentation
Finding Documentation for Cisco MGX, BPX, SES, and CWM Products
The previous “Ordering Documentation” section applies to other Cisco documentation. Starting in 2003,
all documents listed in the “Related Documentation” section are available online only unless stated
otherwise. You can find the documents listed in
all documents listed in the “Related Documentation” section are available online only unless stated
otherwise. You can find the documents listed in
online as follows:
•
In your browser’s URL field, enter www.cisco.com. In the top right search field, enter the complete
document part number (for example, enter OL-4538-01, including the -01 suffix). Click on GO.
document part number (for example, enter OL-4538-01, including the -01 suffix). Click on GO.
•
For the Cisco Wide Area Network Manager (CWM) documents, in your browser’s URL field, enter
http://www.cisco.com/univercd/cc/td/doc/product/wanbu/svplus/index.htm and look for the
CWM release number.
http://www.cisco.com/univercd/cc/td/doc/product/wanbu/svplus/index.htm and look for the
CWM release number.
•
For all other documents, in your browser’s URL field, enter
http://www.cisco.com/univercd/cc/td/doc/product/wanbu/index.htm. Look for the switch name
and release number. For example, look for MGX 8850 (PXM1E), then Release 5.
http://www.cisco.com/univercd/cc/td/doc/product/wanbu/index.htm. Look for the switch name
and release number. For example, look for MGX 8850 (PXM1E), then Release 5.
Changes to This Document
summarizes the changes made to this guide since the previous release.
Table 4
Changes to This Book Since the Previous Release
Chapter
Changes
Added the following sections:
•
The PNNI Network Database
•
Simple Node Representation
•
Complex Node Representation
Added specifications for Release 5 and revised
some specifications and guidelines.
some specifications and guidelines.
Minor revisions.
Rewrote most of the chapter. Added the following
sections:
sections:
•
Shortest Path Table Routing
•
How MGX and SES Nodes Select Links
•
Preferred Routing
•
Priority Routing
•
Grooming
•
Soft Rerouting
•
Priority Bumping