How does the geth ethereum platform automatically connect to the nodes that are in the main network of Ethereum?

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I have tried to make connection between several nodes in my private network, but I do it with a direction enode, but Ethereum network does it without knowing my address enode, I want to know what kind of p2p communication protocols used so that all nodes are communicate with each other, and if that code is free.

Mar 28, 2018 in Blockchain by Christine
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When you start with Geth you need a config enode to connect to. By using the p2p network(kad) discover function, geth will discovery other nodes.

The discover function can be disable by using

 --nodsicovery 
answered Mar 28, 2018 by Perry
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