emqx4.3/rel/config/examples/gateway.coap.conf.example

##--------------------------------------------------------------------
## Gateway CoAP
##
## Add a CoAP gateway
##--------------------------------------------------------------------
## Note: This is an example of how to configure this feature
##       you should copy and paste the below data into the emqx.conf for working

gateway.coap {

    ## When publishing or subscribing, prefix all topics with a mountpoint string.
    ## It's a way that you can use to implement isolation of message routing between different
    ## gateway protocols
    mountpoint = "coap/"

    ## Enable or disable connection mode.
    ## Connection mode is a feature of non-standard protocols. When connection mode is enabled,
    ## it is necessary to maintain the creation, authentication and alive of connection resources
    connection_required = false

    listeners.udp.default {
        bind = "0.0.0.0:5683"
    }
}