Trying to understand basic packet forwarder on Kerlink Gateway

Hello all,

I would like to have a better insight into the way Kerlink gateway is forwarding packages from the motes to the network, which seems to work fine; as well as from gateway towards the motes where I am finding some issues using what Kerlink calls "udp transmitter" (aka basic_pkt_fwd for us according to Lora-net github)

I have read the thethingsnetwork.org/wiki Software Overview and once I reached the secion Instructions Upstream, I have seen that on my gateway that parameters, under global_conf.json, look like the below one

"gateway_conf": {
    "gateway_ID": "MY_OWN_SERIAL",
    **"server_address": "127.0.0.1", <==?**
    "serv_port_up": 1700,
    "serv_port_down": 1700,
    "keepalive_interval": 10,
    "stat_interval": 30,
    "push_timeout_ms": 100,
    "forward_crc_valid": true,
    "forward_crc_error": false,
    **"forward_crc_disabled": false <==?**
}

As far as I understood from the wiki, should I have those parameters according to my preferences? I mean, the server address should match with my server address where all the messages are going to be sent? Or just for testing purposes, since I am using packetsender as tool to send data to the motes (with the proper json format), should I set that IP address pointing to my linux machice where packetsender runs?

Thanks in advance,

REgards