 0x800=Internet IP (IPv4) 
 0x86dd=IPv6 
 0xFF=IPX 802.3 
 0x8137=IPX, Internet Packet eXchange (Novell) 
 0x8138=IPX, Internet Packet eXchange (Novell) 
 0x806=ARP 
 0x8035=Reverse ARP 
 0x809B=AppleTalk 
 0x80F3=AppleTalk ARP 
 0xF0F0=NetBEUI 
 0x808=Frame Relay ARP 
 0x6559=Raw Frame Relay 
 0x805=X.25 Level 3 
 0x880B= PPP 
 0x888E=EAPOL 