Enabled or disabled the BPDU guard functionality per port.
If BPDU guard functionality are global enabled (hmSysStpBPDUGuardEnable=enable(1)),
and BPDU guard are enabled per port (hmIfaceStpBpduGuardEnable=enable(1)) and (R)STP are globally enabled
and an BPDU are received on the port, then hmIfaceStpBpduGuardStatus is set to true(1) for this port and
IfAdminStatus for this port is set to down(2).
Variable hmIfaceStpBpduGuardStatus can be reset to their original value (=false) with switching BPDU guard
functionality globally off.
IfAdminStatus can be reset to to their original values up() only manually.