diff --git a/scapy.py b/scapy.py
index a24f725ca5d135412afc7a8d983c2141b8fff1e9..71fe4caf5a32a4763650aa04d0179c050bfbe686 100755
--- a/scapy.py
+++ b/scapy.py
@@ -6724,13 +6724,164 @@ class _IPv6OptionHeader(Packet):
         log_interactive.error(self.name)
     def __repr__(self):
         return "<IPv6: ERROR not implemented>"
+
+
+_PPP_proto = { 0x0001: "Padding Protocol",
+               0x0003: "ROHC small-CID [RFC3095]",
+               0x0005: "ROHC large-CID [RFC3095]",
+               0x0021: "Internet Protocol version 4",
+               0x0023: "OSI Network Layer",
+               0x0025: "Xerox NS IDP",
+               0x0027: "DECnet Phase IV",
+               0x0029: "Appletalk",
+               0x002b: "Novell IPX",
+               0x002d: "Van Jacobson Compressed TCP/IP",
+               0x002f: "Van Jacobson Uncompressed TCP/IP",
+               0x0031: "Bridging PDU",
+               0x0033: "Stream Protocol (ST-II)",
+               0x0035: "Banyan Vines",
+               0x0037: "reserved (until 1993) [Typo in RFC1172]",
+               0x0039: "AppleTalk EDDP",
+               0x003b: "AppleTalk SmartBuffered",
+               0x003d: "Multi-Link [RFC1717]",
+               0x003f: "NETBIOS Framing",
+               0x0041: "Cisco Systems",
+               0x0043: "Ascom Timeplex",
+               0x0045: "Fujitsu Link Backup and Load Balancing (LBLB)",
+               0x0047: "DCA Remote Lan",
+               0x0049: "Serial Data Transport Protocol (PPP-SDTP)",
+               0x004b: "SNA over 802.2",
+               0x004d: "SNA",
+               0x004f: "IPv6 Header Compression",
+               0x0051: "KNX Bridging Data [ianp]",
+               0x0053: "Encryption [Meyer]",
+               0x0055: "Individual Link Encryption [Meyer]",
+               0x0057: "Internet Protocol version 6 [Hinden]",
+               0x0059: "PPP Muxing [RFC3153]",
+               0x005b: "Vendor-Specific Network Protocol (VSNP) [RFC3772]",
+               0x0061: "RTP IPHC Full Header [RFC3544]",
+               0x0063: "RTP IPHC Compressed TCP [RFC3544]",
+               0x0065: "RTP IPHC Compressed Non TCP [RFC3544]",
+               0x0067: "RTP IPHC Compressed UDP 8 [RFC3544]",
+               0x0069: "RTP IPHC Compressed RTP 8 [RFC3544]",
+               0x006f: "Stampede Bridging",
+               0x0071: "Reserved [Fox]",
+               0x0073: "MP+ Protocol [Smith]",
+               0x007d: "reserved (Control Escape) [RFC1661]",
+               0x007f: "reserved (compression inefficient [RFC1662]",
+               0x0081: "Reserved Until 20-Oct-2000 [IANA]",
+               0x0083: "Reserved Until 20-Oct-2000 [IANA]",
+               0x00c1: "NTCITS IPI [Ungar]",
+               0x00cf: "reserved (PPP NLID)",
+               0x00fb: "single link compression in multilink [RFC1962]",
+               0x00fd: "compressed datagram [RFC1962]",
+               0x00ff: "reserved (compression inefficient)",
+               0x0201: "802.1d Hello Packets",
+               0x0203: "IBM Source Routing BPDU",
+               0x0205: "DEC LANBridge100 Spanning Tree",
+               0x0207: "Cisco Discovery Protocol [Sastry]",
+               0x0209: "Netcs Twin Routing [Korfmacher]",
+               0x020b: "STP - Scheduled Transfer Protocol [Segal]",
+               0x020d: "EDP - Extreme Discovery Protocol [Grosser]",
+               0x0211: "Optical Supervisory Channel Protocol (OSCP)[Prasad]",
+               0x0213: "Optical Supervisory Channel Protocol (OSCP)[Prasad]",
+               0x0231: "Luxcom",
+               0x0233: "Sigma Network Systems",
+               0x0235: "Apple Client Server Protocol [Ridenour]",
+               0x0281: "MPLS Unicast [RFC3032]  ",
+               0x0283: "MPLS Multicast [RFC3032]",
+               0x0285: "IEEE p1284.4 standard - data packets [Batchelder]",
+               0x0287: "ETSI TETRA Network Protocol Type 1 [Nieminen]",
+               0x0289: "Multichannel Flow Treatment Protocol [McCann]",
+               0x2063: "RTP IPHC Compressed TCP No Delta [RFC3544]",
+               0x2065: "RTP IPHC Context State [RFC3544]",
+               0x2067: "RTP IPHC Compressed UDP 16 [RFC3544]",
+               0x2069: "RTP IPHC Compressed RTP 16 [RFC3544]",
+               0x4001: "Cray Communications Control Protocol [Stage]",
+               0x4003: "CDPD Mobile Network Registration Protocol [Quick]",
+               0x4005: "Expand accelerator protocol [Rachmani]",
+               0x4007: "ODSICP NCP [Arvind]",
+               0x4009: "DOCSIS DLL [Gaedtke]",
+               0x400B: "Cetacean Network Detection Protocol [Siller]",
+               0x4021: "Stacker LZS [Simpson]",
+               0x4023: "RefTek Protocol [Banfill]",
+               0x4025: "Fibre Channel [Rajagopal]",
+               0x4027: "EMIT Protocols [Eastham]",
+               0x405b: "Vendor-Specific Protocol (VSP) [RFC3772]",
+               0x8021: "Internet Protocol Control Protocol",
+               0x8023: "OSI Network Layer Control Protocol",
+               0x8025: "Xerox NS IDP Control Protocol",
+               0x8027: "DECnet Phase IV Control Protocol",
+               0x8029: "Appletalk Control Protocol",
+               0x802b: "Novell IPX Control Protocol",
+               0x802d: "reserved",
+               0x802f: "reserved",
+               0x8031: "Bridging NCP",
+               0x8033: "Stream Protocol Control Protocol",
+               0x8035: "Banyan Vines Control Protocol",
+               0x8037: "reserved (until 1993)",
+               0x8039: "reserved",
+               0x803b: "reserved",
+               0x803d: "Multi-Link Control Protocol",
+               0x803f: "NETBIOS Framing Control Protocol",
+               0x8041: "Cisco Systems Control Protocol",
+               0x8043: "Ascom Timeplex",
+               0x8045: "Fujitsu LBLB Control Protocol",
+               0x8047: "DCA Remote Lan Network Control Protocol (RLNCP)",
+               0x8049: "Serial Data Control Protocol (PPP-SDCP)",
+               0x804b: "SNA over 802.2 Control Protocol",
+               0x804d: "SNA Control Protocol",
+               0x804f: "IP6 Header Compression Control Protocol",
+               0x8051: "KNX Bridging Control Protocol [ianp]",
+               0x8053: "Encryption Control Protocol [Meyer]",
+               0x8055: "Individual Link Encryption Control Protocol [Meyer]",
+               0x8057: "IPv6 Control Protovol [Hinden]",
+               0x8059: "PPP Muxing Control Protocol [RFC3153]",
+               0x805b: "Vendor-Specific Network Control Protocol (VSNCP) [RFC3772]",
+               0x806f: "Stampede Bridging Control Protocol",
+               0x8073: "MP+ Control Protocol [Smith]",
+               0x8071: "Reserved [Fox]",
+               0x807d: "Not Used - reserved [RFC1661]",
+               0x8081: "Reserved Until 20-Oct-2000 [IANA]",
+               0x8083: "Reserved Until 20-Oct-2000 [IANA]",
+               0x80c1: "NTCITS IPI Control Protocol [Ungar]",
+               0x80cf: "Not Used - reserved [RFC1661]",
+               0x80fb: "single link compression in multilink control [RFC1962]",
+               0x80fd: "Compression Control Protocol [RFC1962]",
+               0x80ff: "Not Used - reserved [RFC1661]",
+               0x8207: "Cisco Discovery Protocol Control [Sastry]",
+               0x8209: "Netcs Twin Routing [Korfmacher]",
+               0x820b: "STP - Control Protocol [Segal]",
+               0x820d: "EDPCP - Extreme Discovery Protocol Ctrl Prtcl [Grosser]",
+               0x8235: "Apple Client Server Protocol Control [Ridenour]",
+               0x8281: "MPLSCP [RFC3032]",
+               0x8285: "IEEE p1284.4 standard - Protocol Control [Batchelder]",
+               0x8287: "ETSI TETRA TNP1 Control Protocol [Nieminen]",
+               0x8289: "Multichannel Flow Treatment Protocol [McCann]",
+               0xc021: "Link Control Protocol",
+               0xc023: "Password Authentication Protocol",
+               0xc025: "Link Quality Report",
+               0xc027: "Shiva Password Authentication Protocol",
+               0xc029: "CallBack Control Protocol (CBCP)",
+               0xc02b: "BACP Bandwidth Allocation Control Protocol [RFC2125]",
+               0xc02d: "BAP [RFC2125]",
+               0xc05b: "Vendor-Specific Authentication Protocol (VSAP) [RFC3772]",
+               0xc081: "Container Control Protocol [KEN]",
+               0xc223: "Challenge Handshake Authentication Protocol",
+               0xc225: "RSA Authentication Protocol [Narayana]",
+               0xc227: "Extensible Authentication Protocol [RFC2284]",
+               0xc229: "Mitsubishi Security Info Exch Ptcl (SIEP) [Seno]",
+               0xc26f: "Stampede Bridging Authorization Protocol",
+               0xc281: "Proprietary Authentication Protocol [KEN]",
+               0xc283: "Proprietary Authentication Protocol [Tackabury]",
+               0xc481: "Proprietary Node ID Authentication Protocol [KEN]"}
+
                 
 class PPP(Packet):
     name = "PPP Link Layer"
-    fields_desc = [ ShortEnumField("proto", 0x0021, {0x0021: "IP",
-                                                     0xc021: "LCP"} ) ]
-            
-        
+    fields_desc = [ ShortEnumField("proto", 0x0021, _PPP_proto) ]
+
+
 class DNS(Packet):
     name = "DNS"
     fields_desc = [ ShortField("id",0),