Belden Hirschmann Rail Switch Power Lite, User Manual

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Contents
UM RedundConfig RSPL
Release 2.0 02/2013
3
Contents
About this Manual 5
Key 7
1 Network Topology vs. Redundancy Protocols 9
1.1 Network topologies 10
1.1.1 Meshed topology 10
1.1.2 Ring topology 11
1.2 Redundancy Protocols 12
2 Media Redundancy Protocol (MRP) 13
2.1 Network Structure 14
2.2 Reconfiguration time 15
2.3 Advanced mode 16
2.4 Prerequisites for MRP 17
2.5 Example Configuration 18
3 Spanning Tree 29
3.1 Basics 31
3.1.1 The tasks of the STP 31
3.1.2 Bridge parameters 32
3.1.3 Bridge Identifier 32
3.1.4 Root Path Cost 33
3.1.5 Port Identifier 34
3.1.6 Max Age and Diameter 35
3.2 Rules for Creating the Tree Structure 37
3.2.1 Bridge information 37
3.2.2 Setting up the tree structure 38
3.3 Examples 40
3.3.1 Example of determining the root path 40
3.3.2 Example of manipulating the root path 42
3.3.3 Example of manipulating the tree structure 44
3.4 The Rapid Spanning Tree Protocol 45
3.4.1 Port roles 45
3.4.2 Port states 48