Specifications

Contents
RS2-4R
Release 1.0 03/04
13
4 Functions 85
4.1 Displays 87
4.1.1 Device status 87
4.1.2 Port status 88
4.2 Hardware functions 89
4.2.1 Diagnostics 89
4.2.2 Autonegotiation 89
4.2.3 Autopolarity exchange 90
4.2.4 Autocrossing 90
4.2.5 Line monitoring 90
4.2.6 Reset 91
4.3 Frame switching 93
4.3.1 Store-and-forward 93
4.3.2 Multi-address capability 93
4.3.3 Learning addresses 94
4.3.4 Prioritization 94
4.3.5 Tagging 95
4.3.6 Flow control 97
4.3.7 Port mirroring 99
4.3.8 Broadcast limiter 100
4.4 Spanning Tree Algorithm 101
4.4.1 Tasks 101
4.4.2 Rules for creating the tree structure 102
4.4.3 Example: manipulation of a tree structure. 107
4.4.4 Rapid Spanning Tree Protocol 108
4.5 Redundancy 113
4.5.1 Line-type configuration 113
4.5.2 Redundant ring structure – HIPER-Ring 114