2010-02-18 2010-04-21 Standards Action 0x01 Master/Slave (MS-bit) 0x02 More (M-bit) 0x04 Init (I-bit) 0x08 Unassigned 0x10 IPv6 MTU (M6-bit) 0x20 Unassigned 0x40 Unassigned 0x80 Unassigned