Value,Description,Reference
0,Unassigned,
1,Node State and Attribute,[RFC6551]
2,Node Energy,[RFC6551]
3,Hop Count,[RFC6551]
4,Link Throughput,[RFC6551]
5,Link Latency,[RFC6551]
6,Link Quality Level,[RFC6551]
7,Link ETX,[RFC6551]
8,Link Color,[RFC6551]
9-255,Unassigned,