Device>Configure>MISTP>MISTP Mapping
Use the MISTP Mapping dialog box to map a VLAN to an MISTP instance.
VLAN Index (vtpVlanIndex)
Indicates a VLAN number.
MISTP Instance Index (stpxVlanMISTPInstMapInstIndex)
Indicates MISTP instance. The valid values of MISTP instance index is 0 to 16 (0 indicating unmapping).