stmNextType — FS.COM official Documentation Hub native MIB packages, FS.COM MIB copies (LibreNMS/Observium Community)
STM type: default(0) provide balance to all features. ipv4(1) provide maximum system utilization for unicast routing. You would typically use this profile for a router or aggregator in the middle of a network. vlan(2) provide maximum system utilization for VLANs. This proflie maximizes system memory for use as a Layer 2 switch. ipv6(3) provide maximum system utilization for IPv6 unicast routing. hardware(50) provide default hardware configure.