Hello all, I work in a lab where we use a fair number of LoRa nodes with various Chirpstack instances. Today I noticed that one instance (running 4.10.2) was receiving a lot of repeated packets: [Screenshot_20250717_172605] Indeed, these packets all had the exact same payload and frame count - t…

Thanks for replying! It turned out that this was an issue of me being silly; I was chasing after a duplication bug that ended up looking a lot like this: [image] Issue with Duplicate Packets on Different Frequencies After Upgrading to v4.11.0 ChirpStack Application Server …

No device-session exists for dev_addr

ChirpStack (v4)

chrysolepis August 5, 2025, 6:15pm 3

Thanks for replying! It turned out that this was an issue of me being silly; I was chasing after a duplication bug that ended up looking a lot like this:

The issue was fixed by this PR allowing use of older Redis versions:

Thanks!