Overview Of Redundancy Topologies - Hirschmann RS20 User Manual

Introduction
1.1 Overview of Redundancy
Topologies
To introduce redundancy onto layer 2 of a network, first clarify which network
topology you require. Depending on the network topology selected, you then
choose from the redundancy protocols that can be used with this network
topology.
The following topologies are possible:
Network topology Possible redundancy
procedures
Tree structure Only possible in
without loops combination with
(cycle-free) physical loop creation
Topology with 1 Ring Redundancy
loop
Table 1: Overview of Redundancy Topologies
10
1.1 Overview of Redundancy Topolo-
Comments
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gies
Redundancy
Release 6.0 07/2010