Moxa PM-7200-4MST-FL — настройка избыточности связи для защиты сети от сбоев [4/36]
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1
1. Introduction to Communication
Redundancy
Setting up Communication Redundancy on your network helps protect critical links against failure, protects
against network loops, and keeps network downtime at a minimum.
Communication Redundancy allows you to set up redundant loops in the network to provide a backup data
transmission route in the event that a cable is inadvertently disconnected or damaged. This is a particularly
important feature for industrial applications, since it could take several minutes to locate the disconnected or
severed cable. For example, if the Moxa switch is used as a key communications component of a production line,
several minutes of downtime could cause a big loss in production and revenue. The Moxa switch supports three
different protocols to support this communication redundancy function:
• Turbo Ring and Turbo Ring V2
• Turbo Chain
• Rapid Spanning Tree and Spanning Tree Protocols (IEEE 802.1W/802.1D-2004)
When configuring a redundant ring, all switches on the same ring must be configured to use the same
redundancy protocol. You cannot mix the Turbo Ring, Turbo Ring V2, and STP/RSTP protocols on the same ring.
The following table lists the key differences between the features of each protocol. Use this information to
evaluate the benefits of each, and then determine which features are most suitable for your network.
Turbo Ring
Turbo Ring V2
Turbo Chain
STP
RSTP
Topology
Ring
Ring
Chain
Ring, Mesh
Ring, Mesh
Fast Ethernet
Recovery Time
< 300 ms
< 20 ms
< 20 ms
Up to 30 sec.
Up to 5 sec.
Gigabit Ethernet
Recovery Time
< 50 ms
< 50 ms
NOTE
Most of Moxa’s managed switches now support three proprietary Turbo Ring protocols:
1. Turbo Ring refers to the original version of Moxa’s proprietary redundant ring protocol, which has a
recovery time of under 300 ms.
2. Turbo Ring V2 refers to the new generation Turbo Ring, which has a recovery time of under 20 ms for Fast
Ethernet ports and under 50 ms for Gigabit Ethernet ports.
3. Turbo Chain is a new Moxa proprietary protocol with unlimited flexibility that allows you to construct any
type of redundant network topology. The recovery time is under 20 ms for Fast Ethernet ports and under 50
ms for Gigabit Ethernet ports.
In this manual, we use the terminology Turbo Ring and Turbo Ring V2 to differentiate between rings
configured for one or the other of these protocols.
Содержание
- User s manual p.1
- Communication redundancy p.1
- Www moxa com product p.1
- Fourth edition march 2015 p.1
- Trademarks p.2
- Technical support contact information p.2
- Disclaimer p.2
- Copyright notice p.2
- Communication redundancy p.2
- Www moxa com support p.2
- User s manual p.2
- Table of contents p.3
- Redundancy p.4
- Introduction to communication p.4
- Gigabit ethernet redundant ring capability 50 ms p.5
- Communication redundancy introduction to communication redundancy p.5
- Turbo ring p.6
- When the number of switches in the turbo ring is even p.7
- The turbo ring concept p.7
- Setting up turbo ring or turbo ring v2 p.7
- Determining the redundant path of a turbo ring ring p.7
- Communication redundancy turbo ring p.7
- Determining the redundant path of a turbo ring v2 ring p.8
- Communication redundancy turbo ring p.8
- Attention p.8
- When the number of switches in the turbo ring is odd p.8
- Ring coupling configuration p.8
- Ring coupling for a turbo ring v2 ring p.9
- Ring coupling for a turbo ring ring p.9
- Communication redundancy turbo ring p.9
- Attention p.9
- Turbo ring v2 p.10
- Dynamic ring coupling drc configuration applies only to p.10
- Dual ring for a turbo ring v2 ring p.11
- Dual ring configuration applies only to turbo ring v2 p.11
- Communication redundancy turbo ring p.11
- Attention p.11
- Dual homing configuration applies only to turbo ring v2 p.12
- Configuring turbo ring and turbo ring v2 p.12
- Configuring turbo ring p.12
- Communication redundancy turbo ring p.12
- Explanation of settings items p.13
- Explanation of current status items p.13
- Communication redundancy turbo ring p.13
- Communication redundancy turbo ring p.14
- Explanation of current status items p.15
- Configuring turbo ring v2 p.15
- Communication redundancy turbo ring p.15
- Explanation of settings items p.16
- Communication redundancy turbo ring p.16
- Communication redundancy turbo ring p.17
- Communication redundancy turbo ring p.18
- Explanation of ring status items p.19
- Configuring turbo ring v2 with dynamic ring coupling p.19
- Communication redundancy turbo ring p.19
- Explanation of drc status items p.20
- Communication redundancy turbo ring p.20
- Explanation of ring settings items p.20
- Turbo chain p.21
- The turbo chain concept p.22
- Setting up turbo chain p.22
- Communication redundancy turbo chain p.22
- Tail switch configuration p.23
- Member switch configuration p.23
- Head switch configuration p.23
- Explanation of current status items p.23
- Configuring turbo chain p.23
- Communication redundancy turbo chain p.23
- Explanation of settings items p.24
- Communication redundancy turbo chain p.24
- Communication redundancy turbo chain p.25
- Stp rstp mstp p.26
- Communication redundancy stp rstp mstp p.27
- What is stp p.27
- The stp rstp mstp concept p.27
- Stp requirements p.28
- How stp works p.28
- Communication redundancy stp rstp mstp p.28
- Stp reconfiguration p.29
- Stp configuration p.29
- Stp calculation p.29
- Differences between stp rstp and mstp p.29
- Communication redundancy stp rstp mstp p.29
- Stp example p.30
- Communication redundancy stp rstp mstp p.30
- Using stp on a network with multiple vlans p.31
- Configuring stp rstp p.31
- Communication redundancy stp rstp mstp p.31
- Communication redundancy stp rstp mstp p.32
- Configuring mstp p.33
- Communication redundancy stp rstp mstp p.33
- Communication redundancy stp rstp mstp p.34
- Communication redundancy stp rstp mstp p.35
- Configuration limits of stp rstp p.36
- Communication redundancy stp rstp mstp p.36
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Узнайте, как настроить избыточность связи в вашей сети для минимизации времени простоя и защиты критически важных соединений от сбоев. Важные протоколы и их особенности.