RB433 + R52Hn, nv2, watchdog disabled. I went to the site and it seems as if the radio configuration got reset, because the radio settings changed to 2Ghz operating band from 5Ghz. In the CPE memory syslog I can only see reconnect attempts, so there is no way to check what exactly happened at disconnect time. Dunno how this happened at all, no auto suppout file was created.
Anyhow, I learned that CPE settings must not be changed straight after leaving the customer's premises. On the other had I would love to see a similar method of applying radio settings like applying screen res. settings in Windows - one has to confirm it within a specific amount of time, otherwise it will switch back.
NV2 do not support short (400ns) HT guard interval. It means that setting "any" is useless.
Thanks for the advice, I could have sworn that changing long to 'any' increased bandwith on some 5Ghz-N/nv2 ptmp links. I'll take a closer look at this - I might be wrong. Cheers.