Sub-Type Value,Name,Reference,Date
0x00-0x03,Unassigned,,
0x04,Link Bandwidth,[draft-ietf-idr-link-bandwidth-07],
0x05-0x7f,Unassigned,,
0x80,Virtual-Network Identifier Extended Community,[draft-drao-bgp-l3vpn-virtual-network-overlays-03],2015-09-29
0x81-0xff,Unassigned,,