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UDP Load balancing

January 28, 2020 08:52AM
Hi, I am testing nginx as a reverse proxy/load balancer for UDP. I have configured the upstream servers, and it is working fine, except one issue that is driving me crazy.

It seems that nginx does not keep the udp source ports between requests. It changes the source port on every request. So I can't use it to load balance udp protocols that needs several packets (for example, wireguard).

I am using version 1.14.0 on Ubuntu and this is my config file:

stream {
upstream udp_backend {
hash $remote_addr;
server 10.0.0.3:5180;
server 10.0.0.4:5180;
}
server {
listen 5180 udp;
proxy_pass udp_backend;
proxy_bind 10.0.0.2:5181;
}
}

Is there any parameter that allows me to preserve udp ports?
Thanks.
Subject Author Posted

UDP Load balancing

arigatox January 28, 2020 08:52AM

Re: UDP Load balancing

Roman Arutyunyan January 28, 2020 09:04AM

Re: UDP Load balancing

arigatox January 28, 2020 09:17AM

Re: UDP Load balancing - [Solved]

arigatox January 28, 2020 09:29AM



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