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| Trap Community |
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| Setting |
| Description | Factory Default |
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| character string |
| Use a community string match for | public |
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| authentication; Maximum of 30 characters. |
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Private MIB information |
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| Switch Object ID |
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| Setting |
| Description | Factory Default |
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| 8691.7.1 |
| EDS’s enterprise value | Fixed |
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This value cannot be changed.
Using 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.
The Communication Redundancy function allows the user 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 MOXA EtherDevice 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. MOXA Ethernet Device Switch supports two different protocols to support this communication redundancy
Turbo Ring and STP/RSTP cannot be used on the network simultaneously. The table below lists the key differences between each feature, so you can evaluate the benefits of each to determine which feature is most suitable for your network.
| Turbo Ring | STP | RSTP |
Topology | Ring | Ring, Mesh | Ring, Mesh |
Recovery Time | < 300 ms | Up to 30 sec. | Up to 5 sec |
The Turbo Ring Concept
Moxa developed the proprietary Turbo Ring protocol to optimize communication redundancy and achieve a faster recovery time on the network.
Turbo Ring protocol identifies one switch as the master of the network, and then automatically blocks packets from traveling through any of the network’s redundant loops. In the event that one branch of this ring becomes disconnected from the rest of the network, the Turbo Ring protocol automatically readjusts the ring (if possible) so that the part of the network that was disconnected can reestablish contact with the rest of the network.