Same tcp_client_port and tcp_server_port in case of >2 emqx nodes

[edoardesd]

rpc.tcp_client_port and rpc.tcp_server_port remain the same when more than 2 emqx nodes are created. This arises problems when multiple nodes run concurrently (i.e., the 3rd, 4th and so on crash due to port conflict).
My workaround is to add PORT_INC also to tcp_client_port and tcp_server_port. I don't know if this can cause some problem in RPC

[terry-xiaoyu]

Hi, I can't find a way to configure more than 2 emqx nodes on my local PC. This is because you have to set rpc.tcp_client_port of node A to the same value as rpc.tcp_server_port of node B.

We've forked gen_rpc at https://github.com/emqx/gen_rpc, but we have no chance to make an improvement on this problem.

[16871560]

cd emqx2

EMQX_NODE__NAME='[email protected]'
EMQX_STATSD__SERVER='127.0.0.1:8124'
EMQX_LISTENERS__TCP__DEFAULT__BIND='0.0.0.0:1882'
EMQX_LISTENERS__SSL__DEFAULT__BIND='0.0.0.0:8882'
EMQX_LISTENERS__WS__DEFAULT__BIND='0.0.0.0:8082'
EMQX_LISTENERS__WSS__DEFAULT__BIND='0.0.0.0:8085'
EMQX_DASHBOARD__LISTENERS__HTTP__BIND='0.0.0.0:18082'
./bin/emqx console.

but I can't find /bin/emqx under emqx2 directory , I wanna run 2 isolate instances on same server with different port , could you tell me how ?