zhuchengxing opened a new issue #2799:
URL: https://github.com/apache/apisix/issues/2799
### Issue description
When I used UDP proxy, I find roundrobin unbalanced. Once the connection is
established, it will always send a message to only one of the nodes!
### Environment
* apisix version (cmd: `apisix version`): 2.0
* OS:centos7
### Minimal test code / Steps to reproduce the issue
1. config stream_routes:
{
"server_addr": "10.3.174.125",
"server_port": 9200,
"upstream": {
"nodes": {
"10.3.174.127:29090": 1,
"10.3.174.126:29090": 1
},
"type": "roundrobin"
}
}
2. test send message，I sent several pieces of data to ApisiX 9200 port with
the **nc** command,commplete command: **nc -p 6336 -u 10.3.174.125 9200**
3.Apisix would forward the UDP message sent, but it was forwarded to only
one node without load balancing effect, which made me very confused:
### What's the actual result? (including assertion message & call stack if
applicable)
You can see that the message is only forwarded to node 126！
### What's the expected result?
I expect to achieve responsible and balanced results.
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