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Unable to connect 2 nodes ,it was working fine . When i run the admin.addPeer("enode info of the 2 node") net.peerCount turns 1 for some time and returns 0 again . Any idea whats going wrong ?

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Give more details about your setup such as:

  • how are you launching the geth instances?
  • are you using the same block chain (genesis block and network id) for both?
  • are you running the private test net locally?
  • if yes, only one can use the default port (30303). How are you launching the second instance of geth?
  • are you using an IPv4 address such as 0.0.0.0? If yes change it to the loop back address (127.0.0.1) but not localhost. The same goes if it's an external address (do not use a domain name).
  • what does the geth console say when you add the peer?
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