barryd.it@gmail.com

<?php

Ethernet II... work in progress 

$packet = "\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00";

$type = implode('', unpack('C2', $packet));

switch ($type) {
  case "\x08\x00":
    /* 0x0800 	Internet Protocol, Version 4 (IPv4) */
    echo 'I\'m an IP Packet' . "\n";
    break;
  case "\x08\x06":
    /* 0x0806 	Address Resolution Protocol (ARP) */ 
    break;
  case "\x80\x35":
    /* 0x8035 	Reverse Address Resolution Protocol (RARP) */
    break;
  case "\x80\x9b":
    /* 0x809b 	AppleTalk (Ethertalk) */
    break;
  case "\x80\xf3":
    /* 0x80f3 	AppleTalk Address Resolution Protocol (AARP) */
    break;
  case "\x81\x00":
    /* 0x8100 	IEEE 802.1Q-tagged frame */
    break;
  case "\x81\x37":
    /* 0x8137 	Novell IPX (alt) */
    break;
  case "\x81\x38":
    /* 0x8138 	Novell */
    break;
  case "\x86\xdd":
    /* 0x86DD 	Internet Protocol, Version 6 (IPv6) */
    break;
  case "\x88\x47":
    /* 0x8847 	MPLS unicast */
    break;
  case "\x88\x48":
    /* 0x8848 	MPLS multicast */
    break;
  case "\x88\x63":
    /* 0x8863 	PPPoE Discovery Stage */
    break;
  case "\x88\x64":
    /* 0x8864 	PPPoE Session Stage */
    break;
  case "\x88\x8e":
    /* 0x888E 	EAP over LAN (IEEE 802.1X) */
    break;
  case "\x88\xa2":
    /* 0x88A2 	ATA over Ethernet */
    break;
  case "\x88\xe5":
    /* 0x88E5 	MAC security (IEEE 802.1AE) */
    break;
  default:
    echo 'la la la la' . "\n";
}

?>