Hey @philbert ,
I don’t know if you have fixed it already.
I know, that you have to implement your own Plugins for SNMP, if the device is not supported yet.
In that case checkmk only discovers 3 default SNMP services, but I think that they rely on the sysDesc.
So if you want to monitor these services, you could try to implement your own SNMP Plugin.
Greeting, lou1s 