Bit Flag,Name,Reference
0x01,Local protection desired,[RFC3209]
0x02,Local recording desired,[RFC3209]
0x04,SE Style desired,[RFC3209]
0x08,Bandwidth protection desired,[RFC4090]
0x10,Node protection desired,[RFC4090]
0x20,Path re-evaluation request,[RFC4736]
0x40,Soft Preemption Desired,[RFC5712]