Found something strange. On wireless links with NV2 and a secret. If You change something on the link or reboot the device then the link goes down every 3-5 seconds with "key exchange timeout" in the log.
When i type in the NV2 secret by hand on the client of the wireless link and klick "apply", the link comes back and stay stable. So do not reboot or change anything or you have to type the NV2 secret and klick apply. Very strange.
I tested this about 10 times on different SXTs (2.4 and 5Ghz) to confirm this behavior.
I can't repeat this issue.
After I upgrade several SXT's and they come back up I also upgrade the firmware, which needs another reboot. After that units come back up and stay up. (NV2 + secret enable CPE/station).
To test again I logged into an already upgraded SXT and changed something in the config (just a scan setting in wireless) but the unit just kept on working fine.
Than I made a reboot of the SXT and after the disconnection for a while it came backup and stayed connected.
So the prescribed issue of the "key exchange timeout" is not happening on my units.
And how can you 'type' in the secret again? Has it been erased? Do you have access from the AP to the cpe? Or do you have to go to the client to login and correct?
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Rudy R. Puister
WISP operator based on MT routerboard & ROS.