Value,Description,Reference
0,Reserved,[RFC9350]
1,OSPF Flexible Algorithm ASBR Metric,[RFC9350]
2,OSPF IP Flexible Algorithm ASBR Metric,"[RFC9502, Section 6.5]"
3-32767,Unassigned,
32768-33023,Reserved for Experimental Use,[RFC9350]
33024-65535,Reserved,[RFC9350]