wfCctOptsLengthBasedData 1.3.6.1.4.1.18.3.5.1.4.4.1.6

a five byte quantity of the form ethernet - 0x6003000000 (e.g. DECnet) lsap - 0xfefe030000 (e.g. OSI) snap - 0x0000000800 (e.g. IP) - 0x0800070800 (e.g. Appletalk DDP)