Hirschmann RS20 series User manual

UM RedundConfig L2P

Release

8.0

05/2013

Technical Support

https://hirschmann-support.belden.eu.com

User Manual

Redundancy Configuration

Industrial ETHERNET (Gigabit-)Switch

RS20/RS30/RS40, MS20/MS30, OCTOPUS, PowerMICE,

RSR20/RSR30, MACH 100, MACH 1000, MACH 4000

The naming of copyrighted trademarks in this manual, even when not specially indicated, should

not be taken to mean that these names may be considered as free in the sense of the trademark

and tradename protection law and hence that they may be freely used by anyone.

translation, conversion into any electronic medium or machine scannable form is not permitted,

either in whole or in part. An exception is the preparation of a backup copy of the software for

your own use. For devices with embedded software, the end-user license agreement on the

enclosed CD/DVD applies.

The performance features described here are binding only if they have been expressly agreed

when the contract was made. This document was produced by Hirschmann Automation and

Control GmbH according to the best of the company's knowledge. Hirschmann reserves the right

to change the contents of this document without prior notice. Hirschmann can give no guarantee

in respect of the correctness or accuracy of the information in this document.

Hirschmann can accept no responsibility for damages, resulting from the use of the network

components or the associated operating software. In addition, we refer to the conditions of use

specified in the license contract.

You can get the latest version of this manual on the Internet at the Hirschmann product site

(www.hirschmann.com).

Printed in Germany

Hirschmann Automation and Control GmbH

Stuttgarter Str. 45-51

72654 Neckartenzlingen

Germany

Tel.: +49 1805 141538

Rel. 8.0 - 05/2013 – 29.04.2013

Contents

UM RedundConfig L2P

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Contents

About this Manual 5

Key 7

1 Introduction 9

1.1 Overview of Redundancy Topologies 10

1.2 Overview of Redundancy Protocols 12

2 Link Aggregation 15

2.1 Example of link aggregation 16

2.1.1 Creating and configuring the link aggregation 17

2.2 HIPER-Ring and Link Aggregation 22

3 Ring Redundancy 25

3.1 Example of a HIPER-Ring 28

3.1.1 Setting up and configuring the HIPER-Ring 30

3.2 Example of a MRP-Ring 34

3.3 Example of a Fast HIPER-Ring 40

4 Multiple Rings 45

4.1 Sub-Ring 46

4.1.1 Sub-Ring description 46

4.1.2 Sub-Ring example 50

4.1.3 Sub-Ring example configuration 53

5 Ring/Network Coupling 59

5.1 Variants of the ring/network coupling 60

5.2 Preparing a Ring/Network Coupling 62

5.2.1 STAND-BY switch 62

5.2.2 One-Switch coupling 65

5.2.3 Two-Switch coupling 71

5.2.4 Two-Switch Coupling with Control Line 79

Contents

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6 Spanning Tree 87

6.1 The Spanning Tree Protocol 89

6.1.1 The tasks of the STP 89

6.1.2 Bridge parameters 90

6.1.3 Bridge Identifier 90

6.1.4 Root Path Cost 91

6.1.5 Port Identifier 93

6.2 Rules for Creating the Tree Structure 94

6.2.1 Bridge information 94

6.2.2 Setting up the tree structure 94

6.3 Example of determining the root path 97

6.4 Example of manipulating the root path 99

6.5 Example of manipulating the tree structure 101

6.6 The Rapid Spanning Tree Protocol 102

6.6.1 Port roles 102

6.6.2 Port states 105

6.6.3 Spanning Tree Priority Vector 106

6.6.4 Fast reconfiguration 106

6.6.5 Configuring the Rapid Spanning Tree 107

6.7 Combining RSTP and MRP 116

6.7.1 Application example for the combination of RSTP and

MRP 118

A Readers’ Comments 121

B Index 123

C Further Support 125

About this Manual

UM RedundConfig L2P

Release

8.0

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About this Manual

The “Redundancy Configuration” user manual document contains the

information you require to select the suitable redundancy procedure and

configure it.

The “Basic Configuration” user manual contains the information you need to

start operating the device. It takes you step by step from the first startup

operation through to the basic settings for operation in your environment.

The “Installation” user manual contains a device description, safety

instructions, a description of the display, and the other information that you

need to install the device.

The “Industry Protocols” user manual describes how the device is connected

by means of a communication protocol commonly used in the industry, such

as EtherNet/IP and PROFINET IO.

The “Graphical User Interface” reference manual contains detailed

information on using the Graphical User Interface to operate the individual

functions of the device.

The “Command Line Interface” reference manual contains detailed

information on using the Command Line Interface to operate the individual

functions of the device.

About this Manual

6UM RedundConfig L2P

Release

8.0

05/2013

The Industrial HiVision Network Management Software provides you with

additional options for smooth configuration and monitoring:

Simultaneous configuration of multiple devices

Graphical user interface with network layout

Auto-topology discovery

Event log

Event handling

Client/server structure

Browser interface

ActiveX control for SCADA integration

SNMP/OPC gateway.

Key

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Key

The designations used in this manual have the following meanings:

Symbols used:

List

Work step

Subheading

Link Cross-reference with link

Note: A note emphasizes an important fact or draws your attention to a dependency.

Courier ASCII representation in user interface

Execution in the Graphical User Interface

Execution in the Command Line Interface

WLAN access point

Router with firewall

Switch with firewall

Router

Switch

Key

8UM RedundConfig L2P

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Bridge

Hub

A random computer

Configuration Computer

Server

PLC -

Programmable logic

controller

I/O -

Robot

Introduction

UM RedundConfig L2P

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1 Introduction

The device contains a range of redundancy functions:

Link Aggregation

HIPER-Ring

MRP-Ring

Fast HIPER-Ring (RSR20, RSR30 and MACH 1000)

Sub-Ring (RSR20, RSR30 and MACH 1000)

Ring/Network coupling

Rapid Spanning Tree Algorithm (RSTP)

Introduction

1.1

Overview of Redundancy

Topologies

UM RedundConfig L2P

Release

8.0

05/2013

1.1 Overview of Redundancy

Topologies

To introduce redundancy onto layer 2 of a network, you first define 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

Comments

Tree structure

without loops

(cycle-free)

Only possible in

connection with

physical loops

Topology with 1

loop

RSTP

Ring Redundancy

Ring Redundancy procedures (HIPER-Ring, Fast

HIPER-Ring or MRP) provide shorter switching

times than RSTP.

Topology with 2

loops

RSTP

Ring Redundancy

Sub-Ring (RSR20,

RSR30, PowerMICE,

MACH 1000 and

MACH 4000)

Ring redundancy: a Basis-Ring with a Sub-Ring

or an MRP-Ring with an RSTP-Ring.

Topology with 3

non-nested loops

RSTP

Ring Redundancy

Sub-Ring (RSR20,

RSR30, PowerMICE,

MACH 1000 and

MACH 4000)

Ring coupling

The ring coupling provides particular support

when redundantly coupling a redundant ring to

another redundant ring, or to any structure that

only works with Hirschmann devices

Topology with

nested loops

RSTP

Sub-Ring (RSR20,

RSR30, PowerMICE,

MACH 1000 and

MACH 4000)

Ring coupling

Ring coupling only couples non-nested rings,

though these can couple local Sub-Rings.

Table 1: Overview of Redundancy Topologies

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