图解以太网帧格式

   1=>'IPPROTO_ICMP',
   2=>'IPPROTO_IGMP',
   4=>'IPPROTO_IPIP',
   6=>'IPPROTO_TCP',
   17=>'IPPROTO_UDP',
   20=>'ETH_ARP',
   41=>'IPPROTO_IPV6',
   255=>'IPPROTO_RAW',
   );

%tcpflags=(
                0x01=>'TH_FIN',
                0x02=>'TH_SYN',
                0x04=>'TH_RST',
                0x08=>'TH_PUSH',
                0x10=>'TH_ACK',
                0x20=>'TH_URG',
        );

%icmptype=(
                0=>"ICMP_ECHOREPLY",
                3=>"ICMP_DEST_UNREACH",
                4=>"ICMP_SOURCE_QUENCH",
                5=>"ICMP_REDIRECT",
                8=>"ICMP_ECHO",
                11=>"ICMP_TIME_EXCEEDED",
                12=>"ICMP_PARAMETERPROB",
                13=>"ICMP_TIMESTAMP",
                14=>"ICMP_TIMESTAMPREPLY",
                15=>"ICMP_INFO_REQUEST",
                16=>"ICMP_INFO_REPLY",
                17=>"ICMP_ADDRESS",
                18=>"ICMP_ADDRESSREPLY",
                18=>"NR_ICMP_TYPES",
        );
%icmpcode=(
                0=>"ICMP_NET_UNREACH",

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TAG标签:	格式 图解 my ip_obj- eth_obj- main::proto ip- tcp-