my RB450 recently lost IPIP and PPPoE server interface’s, some times (i think when memory usage is more than 18MB) what is problem and solution? 
when you notice the problem, please make supout.rif file and send it to support at mikrotik.com
my RB450 recently lost IPIP and PPPoE server interface’s, some times (i think when memory usage is more than 18MB) what is problem and solution?
when you notice the problem, please make supout.rif file and send it to support at mikrotik.com