@AUsquirrel be carreful when using software 6.48.6. I didn't count but maybe 10-15 different version RBs with software 6.48.6 and past upgrade this soft have problem for this moment with 2 RB. All time hang up and if you have watchdog get reboot. But for time to check watchdog no have transmission.
I haven't found a common denominator for those devices that freeze and those that don't.
The only thing that distinguishes these hanging devices with soft 6.48.6 is the fact that they usually have a lot of interfaces, vlans and an extensive firewall of at least 40 lines.
Those with a minimum of interfaces and a minimum firewall of max 6-8 lines, the problem does not occur.
There you can see a fow post before I reported this problem to mikrotik a few months ago and sent a suspicious file but they ignored me.
Where there is a problem with 6.48.6, I uploaded 6.49.7 and as he removed the problem with his hand, the problem disappeared.
For now, too few devices have 6.49.7 uploaded to be able to say whether this rule always works.
I'm going to upgrade to 6.49.7 on the second device and see if the problem goes away.
On the first device, it is not known why the problem occurred because it appeared without any symptoms in all 24h I get 1 restart min if get watchdog or halt RB if you not used watchdog.
On the second it probably has something to do with RSTP but that's just my suspicion. Because the traffic from the WAN side to the device comes suddenly out of nowhere, it stops bridging to the LAN interface and cuts off communication. Lan wasn't even reachable in either L3 or L2. From the WAN side, you could freely connect to the device.
For this moment past 72h problem back.
After a current restart or watchdog restart, it's like a hand suddenly removed everything works.
This soft 6.48.6 is heavily bugged, be carreful all !!!
In my network site abut 15-20% RBs not working property with 6.48.6.
This problem we not see fast past upgrade to 6.48.6. All problems start exist past a few weekend past update software.
And overvoltages, etc., other things have nothing to do with it, because I updated the devices in late autumn and the problems occur, as you can see, even in the winter season.
Importent !
All devices before upgrade software to 6.48.6 working property without any froze or restart with this same configuration.
For Mikrotik Staff:
Mans please stop going all time for new version and more testing before pushing version.
Stop doing with us Alpha testers!!!