Specifications

ALAXALA Ring Configuration Guide (Edition 1)
Copyright © 2008, ALAXALA Networks Corporation. All rights reserved.
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Contents
1. What is the Ring Protocol?..................................................................................................4
1.1 Overview of the Ring Protocol.....................................................................................................4
1.2 Features of the Ring Protocol .....................................................................................................5
1.3 Glossary ......................................................................................................................................5
2. Operation of the Ring Protocol ............................................................................................7
2.1 Network configuration..................................................................................................................7
2.2 Single ring operation ...................................................................................................................9
2.3 Operation in multi-ring configuration with shared links .............................................................12
2.4 Operation when the Ring Protocol and STP are used together................................................15
2.5 Operation when the Ring Protocol and GSRP are used together ............................................18
2.6 When a line is down in only one direction.................................................................................19
2.7 Supported specifications ...........................................................................................................19
3. Examples of Ring Protocol Systems .................................................................................23
3.1 Single ring application for a building network............................................................................23
3.2 Multi-ring application for a campus network..............................................................................32
3.3 Example of combined use of the Ring Protocol and STP in a building network.......................47
3.4 Other application configuration examples.................................................................................62
4. Notes ................................................................................................................................. 65
4.1 Prohibited Ring Protocol configurations....................................................................................65
4.2 Notes .........................................................................................................................................68
5. Setting Various Parameters...............................................................................................70
5.1 Parameter descriptions .............................................................................................................70
5.2 Parameter recommendations for chassis and box-type switch mixed networks ......................71
5.3 Parameter settings when using the Ring Protocol with STP.....................................................71
6. Operation Management.....................................................................................................72
6.1 Operation command..................................................................................................................72
6.2 Isolating the cause of a ring failure ...........................................................................................73
Appendix. Configuration Files ..................................................................................................74
3.1 Single ring application for a building network.................................................................................74
3.2 Multi-ring application for a campus network ...................................................................................74
3.3 Example of combined use of the Ring Protocol and STP in a building network ............................74