Redundant to non redundant LAN

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xander83

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Hi everyone,
I am trying to configure an architecture where all the devices provide a redundant ethernet connection except for one.

Does anyone know if there is a way to "collect" the two redundant lines as an input and have one line as output? The output could be such to switch between line 1 and line 2 in case of a fault or alternatively convey all packets coming from the input lines into the output line.

Thanks in advance
 
Thanks for your reply. There is not just computers in the network, the non redundant device is a radio modem. Plus there' PLCs among the nodes
 
I apologize for my late reply.

However, Your response really doesn't tell me much about your situation. What are you trying to turn into Two In/One Out? Your original post doesn't say anything about what you are trying to accomplish.

Computers are kind of easy to do that way. PLC and any other device, depends on the hardware platform. I used to work with Schneider PLC systems. You can pump in any kind of input you want to it: RS 485/232, Ethernet, Relay triggering. You can also use the PLC to translate and place all the input data to an ethernet stream using packet configuration.

Where are the feeds coming from that you want to combine? NMEA 0183 allows you to connect devices to a bus and put data pulses out for specific strings. Different devices can put out different data, but one input device can decipher all data on the line.

You could go with a network switch, if you have network traffic. One PC can pick up any data that is put into the switch from any other ethernet connected device. Depending on the level of control on the data that you require, you may need to buy a hardware controlled switch to manage the data.

The list goes on...
 
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