Specify whether frames can hit the action according to their ARP/RARP protocol address space (PRO) settings.
default: 2,
0: ARP/RARP frames where the PRO is not equal to IP\n(0x800).
1: ARP/RARP frames where the PRO is equal to IP(0x800).
2: Any - Don't care.
3: No data.
range : 0 - 2