https://github.com/ethereum/go-ethereum/wiki/Setting-up-private-network-or-local-cluster
looks very simple
run bootnode
UDP listener up
self=enode://890b6b5367ef6072455fedbd7a24ebac239d442b18c5ab9d26f58a349dad35ee5783a0dd543e4f454fed22db9772efe28a3ed6f21e75674ef6203e47803da682@[::]:30301
run 2 geth`s on the local machine
geth --bootnodes enode://890b6b5367ef6072455fedbd7a24ebac239d442b18c5ab9d26f58a349dad35ee5783a0dd543e4f454fed22db9772efe28a3ed6f21e75674ef6203e47803da682@127.0.0.1:30301 --datadir "./node1" --port 30311 --rpcport 8111 --ipcdisable --networkid 1024 --cache=512 --rpcapi personal,db,eth,net,web3 --rpc console 2>> ./node1/geth1.log
checked peers via console
Thanks.