I noticed last week that ZFS 7 management console had stopped receiving the
trap alarms at all. It was configured to receive only critical alarms and
the configuration wasn't changed (I've checked this to be sure).

However, even though for example I restart one of our test server I don't
get any alarm to the console (all servers are configured to send SNMP traps
to MMS server). So, how to get receiving trap alarms on the MMS console