I'm slowly moving my projects to utilize IPv6, but I found an issue while using a single MQTT IN or OUT node where during a modified node deployment 50% of the time it will disconnect from an IPv6 only broker. I can reproduce this behavior reliably under NR v3.0.2, ubuntu or rpi os, node.js (v14, v…

If you have only one subscription and you make a change that makes the MQTT node be redeployed (i.e if you modify it or use full deploy mode) you will be hitting a known bug See here: MQTT not reconnecting if only only one mqtt node using it And here: MQTT not reconnecting on edit if only only one…

Thanks for the info and that explains why I haven't seen the same issue with IPv4 since most of my broker configs are shared among many MQTT nodes. I now look forward to V3.1.0!

[image] lepgithub: I now look forward to V3.1.0 🎉 Node-RED 3.1.0-beta.1 released :wink: Would be cool if you can try it out and confirm?

I installed v3.1 beta on ubuntu and verified deploying a single modified MQTT node does not disconnect from the broker. So it appears it's fixed. Awesome job!

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IPv6 connect/disconnect issue with mqtt in or out nodes

General

Steve-Mcl 3 February 2023 11:18 4

🎉 Node-RED 3.1.0-beta.1 released

Would be cool if you can try it out and confirm?

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IPv6 connect/disconnect issue with mqtt in or out nodes

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