I have two Rev.1 and two Rev.2. On all of them I experienced this issue. After the 6.47.8 update no freeze so far. To be honest, I still have the CPU clock set to 1200 MHz, as I am not in the mood to break the things again (3 units are pretty far away from my current location). I hope the issue was ...

Hi Asam, it is definitely not attack issue. I have hundreds of mikrotiks around and only RB4011 had this problem. The issue disappeared for me after applying CPU clock = 1200 MHz (10 days uptime now, compared to every second day crash before change). Also some people here said they saw the issue in ...

Hi guys, I have two RB4011´s, while the first one is revision 1 and running flawlessly for months, the second is freshly installed (3 days ago) revision 2 and locked up yesterday. I´ve had to powercycle to make it work. They both have two WAN connection, no IPSec, few NAT and filter rules. I use SNM...