$MIB_IFROW = {
               'Mtu' => 1500,
               'InUnknownProtos' => 270,
               'OutQLen' => 0,
               'PhysAddrLen' => 6,
               'OperStatus' => 5,
               'InErrors' => 0,
               'Type' => 6,
               'Speed' => 100000000,
               'AdminStatus' => 1,
               'Descr' => 'Realtek RTL8139-Familie-PCI-Fast Ethernet-NIC - Paketplaner-Miniport',
               'InOctets' => 202461024,
               'InDiscards' => 0,
               'DescrLen' => 69,
               'Index' => 2,
               'OutOctets' => 179095440,
               'OutNUcastPkts' => 325,
               'OutUcastPkts' => 494836,
               'OutDiscards' => 0,
               'LastChange' => 25363384,
               'InUcastPkts' => 456541,
               'InNUcastPkts' => 554,
               'OutErrors' => 0,
               'Name' => '',
               'PhysAddr' => '0010dc3456dca882'
             };

speed =  100000000
Adapter Type =  'Realtek RTL8139-Familie-PCI-Fast Ethernet-NIC - Paketplaner-Miniport'