The information regarding a single logical router that
uses fabric multicast resource.
An entry of this table is created when a logical router is
created in the entLogicalTable of ENTITY-MIB and the logical
router is registered for fabric multicast resource service.
A logical router is identified by the value of mib-2 in
entLogicalType object of ENTITY-MIB.
An entry of this table is removed when the entry associated
logical router is removed from entLogicalTable of ENTITY-MIB.