If i try "192.168.1.2/31" my Ros 4 say that "an ipv4 address are expected"...'192.168.1.2-192.168.1.3' automatically changes to '192.168.1.2/31' for me... v4.2, x86
Latest working version was 3.9.which was the last version where the RouterOS was working ok?
Could you send the support output file after the kernel panic to support@mikrotik.com?
How to?Which MT OS ver you are using? Ver 3 have L-7 filter and with it you can use yahoo and msn Prioritization better.