check the ip adress print and ip route print output.
Also check the file menu maybe you have some autosuout.rif file generated, if yes then please send that to support@mikrotik.com
I’m using ROS4.2 and can login to MAC address just fine. When I try to ssh or winbox to the IP address my authentication is refused (wrong user name or password)…
EDIT: my problem was an incorrect access mask for the particular login account.