When creating a device via Winbox, there is no option for assigning it to a map. After device creation via Winbox, it cannot be assigned even with The Dude client. And when the device doesn't belong to map, somehow the notifications configured for it not working as well.
Hello, If ERP system runs over TCP, i guess it is. :) Try to adjust MSS, with mangle rule in RouterOS. This is more reliable and flexible solution, instead of MTU manipulation. Change it on the router that sits between the ERP and its clients. http://wiki.mikrotik.com/wiki/Manual:IP/Firewall/Mangle#...