OpenWrt 18.06.1 + WRT3200ACM, setting 5 GHz radio to auto causes dissociation

Hi there, I'm not exactly sure what logs and stuff are needed to properly diagnose this, but basically setting the 5 GHz radio (radio0) to auto channel selection (channel width doesn't seem to play a role) causes the radio to dissociate and not come back online, even after waiting 10+ minutes. Both radios are broadcasting the same network name.

Auto does not mean auto, but first legally usable channel. And if that channel is a DFS channel, you will have throuble in that router.

Try to configure a specific channel, and watch the logs to see why it does not come up.

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Thanks for your help. Is there a way to use automatic (dynamic) channel selection on both the 2.4 and 5 GHz radios?

AFAIK, OpenWrt does not support automatic channel selection, neither on 2.4GHz or 5GHz; see the definition of "auto" in "channel" at