So I have a 6GHz Lumina configured for 56MHz/256QAM ACM weak FEC. We are coordinated for variable power and it is active. It's a ~30 mile path on horns. Apparently the link took some fade yesterday morning. One side was stuck on 32QAM strong FEC. I figured meh, it'll clear. Well I just looked again and it didn't. I had to reboot (power-cycle was easier) both ends to get it unstuck. Came right back up at 256QAM both directions. Anyone else seen this before? Is ACM on these just stupid?

SAF, WTF, I should not have to reboot a $6k pair of radios! And yes, these were shipped with the latest firmware.

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