/* packet-ndp.c * Routines for the disassembly of the Nortel Discovery Protocol, formerly * the SynOptics Network Management Protocol (SONMP). * (c) Copyright Giles Scott * * Wireshark - Network traffic analyzer * By Gerald Combs * Copyright 1998 Gerald Combs * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version 2 * of the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * * This protocol has gone by many names over the years: * * Bay Discovery Protocol (BDP), Bay Topology Protocol, Bay Network Management * Protocol (BNMP), Nortel Management MIB (NMM), Nortel Topology Discovery * Protocol (NTDP), SynOptics Network Management Protocol (SONMP). * (source: Wikipedia article on "Nortel Discovery Protocol") * */ #include "config.h" #include #include #include void proto_register_ndp(void); void proto_reg_handoff_ndp(void); /* Although this protocol is proprietary it is documented in the SynOptics MIB's * So I'm not giving anything away :-) * The only thing I have not done is decode the segment identifier; * This changes so much depending on whether the chassis supports * multi-segment autotopology. As the 5000 is now EOL don't see much point. * * MIB's s5emt104.mib, s5tcs112.mib, synro199.mib these should be available via * http://www.nortelnetworks.com */ /* chassis types */ /* Last updated from version 229 ("200609010000Z") of SnpxChassisType in SYNOPTICS-ROOT-MIB.mib */ static const value_string ndp_chassis_val[] = { {1, "other"}, {2, "3000"}, {3, "3030"}, {4, "2310"}, {5, "2810"}, {6, "2912"}, {7, "2914"}, {8, "271x"}, {9, "2813"}, {10, "2814"}, {11, "2915"}, {12, "5000"}, {13, "2813SA"}, {14, "2814SA"}, {15, "810M"}, {16, "Ethercell"}, {17, "5005"}, {18, "Alcatel Ethernet workgroup conc."}, {20, "2715SA"}, {21, "2486"}, {22, "28000 series"}, {23, "23000 series"}, {24, "5DN00x series"}, {25, "BayStack Ethernet"}, {26, "23100 series"}, {27, "100Base-T Hub"}, {28, "3000 Fast Ethernet"}, {29, "Orion switch"}, /* 30 is "not used" */ {31, "DDS"}, {32, "Centillion (6 slot)"}, {33, "Centillion (12 slot)"}, {34, "Centillion (1 slot)"}, {35, "BayStack 301"}, {36, "BayStack TokenRing Hub"}, {37, "FVC Multimedia Switch"}, {38, "Switch Node"}, {39, "BayStack 302 Switch"}, {40, "BayStack 350 Switch"}, {41, "BayStack 150 Ethernet Hub"}, {42, "Centillion 50N switch"}, {43, "Centillion 50T switch"}, {44, "BayStack 303 and 304 Switches"}, {45, "BayStack 200 Ethernet Hub"}, {46, "BayStack 250 10/100 Ethernet Hub"}, /*{47, "StackProbe"}, XXX - No longer listed */ {48, "BayStack 450 10/100/1000 Switches"}, {49, "BayStack 410 10/100 Switches"}, {50, "Passport 1200 L3 Switch"}, {51, "Passport 1250 L3 Switch"}, {52, "Passport 1100 L3 Switch"}, {53, "Passport 1150 L3 Switch"}, {54, "Passport 1050 L3 Switch"}, {55, "Passport 1051 L3 Switch"}, {56, "Passport 8610 L3 Switch"}, {57, "Passport 8606 L3 Switch"}, {58, "Passport 8010"}, {59, "Passport 8006"}, {60, "BayStack 670 wireless access point"}, {61, "Passport 740"}, {62, "Passport 750"}, {63, "Passport 790"}, {64, "Business Policy Switch 2000 10/100 Switches"}, {65, "Passport 8110 L2 Switch"}, {66, "Passport 8106 L2 Switch"}, {67, "BayStack 3580 Gig Switch"}, {68, "BayStack 10 Power Supply Unit"}, {69, "BayStack 420 10/100 Switch"}, {70, "OPTera Metro 1200 Ethernet Service Module"}, {71, "OPTera 8010co"}, {72, "OPTera 8610co L3 switch"}, {73, "OPTera 8110co L2 switch"}, {74, "OPTera 8003"}, {75, "OPTera 8603 L3 switch"}, {76, "OPTera 8103 L2 switch"}, {77, "BayStack 380 10/100/1000 Switch"}, {78, "Ethernet Switch 470-48T"}, {79, "OPTera Metro 1450 Ethernet Service Module"}, {80, "OPTera Metro 1400 Ethernet Service Module"}, {81, "Alteon Switch Family"}, {82, "Ethernet Switch 460-24T-PWR"}, {83, "OPTera Metro 8010 OPM L2 Switch"}, {84, "OPTera Metro 8010co OPM L2 Switch"}, {85, "OPTera Metro 8006 OPM L2 Switch"}, {86, "OPTera Metro 8003 OPM L2 Switch"}, {87, "Alteon 180e"}, {88, "Alteon AD3"}, {89, "Alteon 184"}, {90, "Alteon AD4"}, {91, "Passport 1424 L3 switch"}, {92, "Passport 1648 L3 switch"}, {93, "Passport 1612 L3 switch"}, {94, "Passport 1624 L3 switch"}, {95, "BayStack 380-24F Fiber 1000 Switch"}, {96, "Ethernet Routing Switch 5510-24T"}, {97, "Ethernet Routing Switch 5510-48T"}, {98, "Ethernet Switch 470-24T"}, {99, "Nortel Networks Wireless LAN Access Point 2220"}, {100, "Passport RBS 2402 L3 switch"}, {101, "Alteon Application Switch 2424"}, {102, "Alteon Application Switch 2224"}, {103, "Alteon Application Switch 2208"}, {104, "Alteon Application Switch 2216"}, {105, "Alteon Application Switch 3408"}, {106, "Alteon Application Switch 3416"}, {107, "Nortel Networks Wireless LAN SecuritySwitch 2250"}, {108, "Ethernet Switch 425-48T"}, {109, "Ethernet Switch 425-24T"}, {110, "Nortel Networks Wireless LAN Access Point 2221"}, {111, "Nortel Metro Ethernet Service Unit 24-T SPF switch"}, {112, " Nortel Metro Ethernet Service Unit 24-T LX DC switch"}, {113, "Passport 8300 10-slot chassis"}, {114, "Passport 8300 6-slot chassis"}, {115, "Ethernet Routing Switch 5520-24T-PWR"}, {116, "Ethernet Routing Switch 5520-48T-PWR"}, {117, "Nortel Networks VPN Gateway 3050"}, {118, "Alteon SSL 310 10/100"}, {119, "Alteon SSL 310 10/100 Fiber"}, {120, "Alteon SSL 310 10/100 FIPS"}, {121, "Alteon SSL 410 10/100/1000"}, {122, "Alteon SSL 410 10/100/1000 Fiber"}, {123, "Alteon Application Switch 2424-SSL"}, {124, "Ethernet Switch 325-24T"}, {125, "Ethernet Switch 325-24G"}, {126, "Nortel Networks Wireless LAN Access Point 2225"}, {127, "Nortel Networks Wireless LAN SecuritySwitch 2270"}, {128, "24-port Ethernet Switch 470-24T-PWR"}, {129, "48-port Ethernet Switch 470-48T-PWR"}, {130, "Ethernet Routing Switch 5530-24TFD"}, {131, "Ethernet Switch 3510-24T"}, {132, "Nortel Metro Ethernet Service Unit 12G AC L3 switch"}, {133, "Nortel Metro Ethernet Service Unit 12G DC L3 switch"}, {134, "Nortel Secure Access Switch"}, {135, "Nortel Networks VPN Gateway 3070"}, {136, "OPTera Metro 3500"}, {137, "SMB BES 1010 24T"}, {138, "SMB BES 1010 48T"}, {139, "SMB BES 1020 24T PWR"}, {140, "SMB BES 1020 48T PWR"}, {141, "SMB BES 2010 24T"}, {142, "SMB BES 2010 48T"}, {143, "SMB BES 2020 24T PWR"}, {144, "SMB BES 2020 48T PWR"}, {145, "SMB BES 110 24T"}, {146, "SMB BES 110 48T"}, {147, "SMB BES 120 24T PWR"}, {148, "SMB BES 120 48T PWR"}, {149, "SMB BES 210 24T"}, {150, "SMB BES 210 48T"}, {151, "SMB BES 220 24T PWR"}, {152, "SMB BES 220 48T PWR"}, {153, "OME 6500"}, {154, "Ethernet Routing Switch 4548GT"}, {155, "Ethernet Routing Switch 4548GT-PWR"}, {156, "Ethernet Routing Switch 4550T"}, {157, "Ethernet Routing Switch 4550T-PWR"}, {158, "Ethernet Routing Switch 4526FX"}, {159, "Ethernet Routing Switch 2500-26T"}, {160, "Ethernet Routing Switch 2500-26T-PWR"}, {161, "Ethernet Routing Switch 2500-50T"}, {162, "Ethernet Routing Switch 2500-50T-PWR"}, {0, NULL} }; static value_string_ext ndp_chassis_val_ext = VALUE_STRING_EXT_INIT(ndp_chassis_val); /* from synro179.mib - SnpxBackplaneType */ static const value_string ndp_backplane_val[] = { {1, "Other"}, {2, "Ethernet"}, {3, "Ethernet and Tokenring"}, {4, "Ethernet and FDDI"}, {5, "Ethernet, Tokenring and FDDI"}, {6, "Ethernet and Tokenring with redundant power"}, {7, "Ethernet, Tokenring, FDDI with redundant power"}, {8, "Token Ring"}, {9, "Ethernet, Tokenring and Fast Ethernet"}, {10, "Ethernet and Fast Ethernet"}, {11, "Ethernet, Tokenring, Fast Ethernet with redundant power"}, {12, "Ethernet, Fast Ethernet and Gigabit Ethernet"}, {0, NULL} }; static value_string_ext ndp_backplane_val_ext = VALUE_STRING_EXT_INIT(ndp_backplane_val); static const value_string ndp_state_val[] = { {1, "Topology Change"}, {2, "Heartbeat"}, {3, "New"}, {0, NULL} }; /* Offsets in NDP Hello structure. */ #define NDP_IP_ADDRESS 0 #define NDP_SEGMENT_IDENTIFIER 4 #define NDP_CHASSIS_TYPE 7 #define NDP_BACKPLANE_TYPE 8 #define NDP_STATE 9 #define NDP_NUMBER_OF_LINKS 10 static int proto_ndp = -1; static int hf_ndp_ip_address = -1; static int hf_ndp_segment_identifier = -1; static int hf_ndp_chassis_type = -1; static int hf_ndp_backplane_type = -1; static int hf_ndp_state = -1; static int hf_ndp_number_of_links = -1; static gint ett_ndp = -1; static void dissect_ndp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree) { const char *hello_type; proto_tree *ndp_tree = NULL; proto_item *ti; col_set_str(pinfo->cinfo, COL_PROTOCOL, "NDP"); hello_type = ""; if (pinfo->dl_dst.type == AT_ETHER) { const guint8 *dstmac = (const guint8 *)pinfo->dl_dst.data; switch (dstmac[5]) { case 0: hello_type = "Segment "; break; case 1: hello_type = "FlatNet "; break; } } col_add_fstr(pinfo->cinfo, COL_INFO, "%sHello", hello_type); if (tree) { ti = proto_tree_add_protocol_format(tree, proto_ndp, tvb, 0, 11, "Nortel Discovery Protocol"); ndp_tree = proto_item_add_subtree(ti, ett_ndp); proto_tree_add_item(ndp_tree, hf_ndp_ip_address, tvb, NDP_IP_ADDRESS, 4, ENC_BIG_ENDIAN); proto_tree_add_item(ndp_tree, hf_ndp_segment_identifier, tvb, NDP_SEGMENT_IDENTIFIER, 3, ENC_BIG_ENDIAN); proto_tree_add_item(ndp_tree, hf_ndp_chassis_type, tvb, NDP_CHASSIS_TYPE, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ndp_tree, hf_ndp_backplane_type, tvb, NDP_BACKPLANE_TYPE, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ndp_tree, hf_ndp_state, tvb, NDP_STATE, 1, ENC_BIG_ENDIAN); proto_tree_add_item(ndp_tree, hf_ndp_number_of_links, tvb, NDP_NUMBER_OF_LINKS, 1, ENC_BIG_ENDIAN); } } void proto_register_ndp(void) { static hf_register_info hf[] = { { &hf_ndp_ip_address, { "IP address", "ndp.ipaddress", FT_IPv4, BASE_NONE, NULL, 0x0, "IP address of the Network Management Module (NMM))", HFILL }}, { &hf_ndp_segment_identifier, { "Segment Identifier", "ndp.segmentident", FT_UINT24, BASE_HEX, NULL, 0x0, "Segment id of the segment from which the agent is sending the topology message", HFILL }}, { &hf_ndp_chassis_type, { "Chassis type", "ndp.chassis", FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ndp_chassis_val_ext, 0x0, "Chassis type of the agent sending the topology message", HFILL }}, { &hf_ndp_backplane_type, { "Backplane type", "ndp.backplane", FT_UINT8, BASE_DEC|BASE_EXT_STRING, &ndp_backplane_val_ext, 0x0, "Backplane type of the agent sending the topology message", HFILL }}, { &hf_ndp_state, { "State", "ndp.state", FT_UINT8, BASE_DEC, VALS(ndp_state_val), 0x0, "Current state of this Network Management Module (NMM)", HFILL }}, { &hf_ndp_number_of_links, { "Number of links", "ndp.numberoflinks", FT_UINT8, BASE_DEC, NULL, 0x0, "Number of interconnect ports", HFILL }}, }; static gint *ett[] = { &ett_ndp, }; proto_ndp = proto_register_protocol("Nortel Discovery Protocol", "NDP", "ndp"); proto_register_field_array(proto_ndp, hf, array_length(hf)); proto_register_subtree_array(ett, array_length(ett)); register_dissector("ndp", dissect_ndp, proto_ndp); } void proto_reg_handoff_ndp(void) { dissector_handle_t ndp_handle; ndp_handle = find_dissector("ndp"); dissector_add_uint("llc.nortel_pid", 0x01a1, ndp_handle); /* flatnet hello */ dissector_add_uint("llc.nortel_pid", 0x01a2, ndp_handle); /* Segment hello */ /* not got round to adding this but it's really old, so I'm not sure people will see it */ /* it uses a different packet format */ /* dissector_add_uint("llc.nortel_pid", 0x01a3, ndp_handle); */ /* Bridge hello */ }