0x0800 ETH_P_IP
0x0806 ETH_P_ARP
0x8035 ETH_P_RARP
0x86DD ETH_P_IPV6
1 ARPOP_REQUEST
2 ARPOP_REPLY
3 ARPOP_REVREQUEST
4 ARPOP_REVREPLY
8 ARPOP_INVREQUEST
9 ARPOP_INVREPLY
1 IPPROTO_ICMP
2 IPPROTO_IGMP
6 IPPROTO_TCP
17 IPPROTO_UDP
255 IPPROTO_RAW
8 ICMP_ECHO
0 ICMP_ECHOREPLY
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