zebra/zebra_mpls_vty.c

   1 /* Zebra MPLS VTY functions
   2  * Copyright (C) 2002 Kunihiro Ishiguro
   3  *
   4  * This file is part of GNU Zebra.
   5  *
   6  * GNU Zebra is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License as published by the
   8  * Free Software Foundation; either version 2, or (at your option) any
   9  * later version.
  10  *
  11  * GNU Zebra is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License along
  17  * with this program; see the file COPYING; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19  */
  20
  21 #include <zebra.h>
  22
  23 #include "memory.h"
  24 #include "if.h"
  25 #include "prefix.h"
  26 #include "command.h"
  27 #include "table.h"
  28 #include "rib.h"
  29 #include "nexthop.h"
  30 #include "vrf.h"
  31 #include "mpls.h"
  32 #include "lib/json.h"
  33
  34 #include "zebra/zserv.h"
  35 #include "zebra/zebra_vrf.h"
  36 #include "zebra/zebra_mpls.h"
  37 #include "zebra/zebra_rnh.h"
  38 #include "zebra/redistribute.h"
  39 #include "zebra/zebra_routemap.h"
  40 #include "zebra/zebra_static.h"
  41
  42 static int
  43 zebra_mpls_transit_lsp (struct vty *vty, int add_cmd, const char *inlabel_str,
  44                         const char *gate_str, const char *outlabel_str,
  45                         const char *flag_str)
  46 {
  47   struct zebra_vrf *zvrf;
  48   int ret;
  49   enum nexthop_types_t gtype;
  50   union g_addr gate;
  51   mpls_label_t label;
  52   mpls_label_t in_label, out_label;
  53
  54   if (!mpls_enabled)
  55     {
  56       vty_out (vty, "%% MPLS not turned on in kernel, ignoring command%s",
  57                VTY_NEWLINE);
  58       return CMD_WARNING;
  59     }
  60
  61   zvrf = vrf_info_lookup(VRF_DEFAULT);
  62   if (!zvrf)
  63     {
  64       vty_out (vty, "%% Default VRF does not exist%s", VTY_NEWLINE);
  65       return CMD_WARNING;
  66     }
  67
  68   if (!inlabel_str)
  69     {
  70       vty_out (vty, "%% No Label Information%s", VTY_NEWLINE);
  71       return CMD_WARNING;
  72     }
  73
  74   out_label = MPLS_IMP_NULL_LABEL; /* as initialization */
  75   label = atoi(inlabel_str);
  76   if (!IS_MPLS_UNRESERVED_LABEL(label))
  77     {
  78       vty_out (vty, "%% Invalid label%s", VTY_NEWLINE);
  79       return CMD_WARNING;
  80     }
  81
  82   if (add_cmd)
  83     {
  84       if (!gate_str)
  85         {
  86           vty_out (vty, "%% No Nexthop Information%s", VTY_NEWLINE);
  87           return CMD_WARNING;
  88         }
  89       if (!outlabel_str)
  90         {
  91           vty_out (vty, "%% No Outgoing label Information%s", VTY_NEWLINE);
  92           return CMD_WARNING;
  93         }
  94     }
  95
  96   in_label = label;
  97   gtype = NEXTHOP_TYPE_BLACKHOLE; /* as initialization */
  98
  99   if (gate_str)
 100     {
 101       /* Gateway is a IPv4 or IPv6 nexthop. */
 102       ret = inet_pton (AF_INET6, gate_str, &gate.ipv6);
 103       if (ret)
 104         gtype = NEXTHOP_TYPE_IPV6;
 105       else
 106         {
 107           ret = inet_pton (AF_INET, gate_str, &gate.ipv4);
 108           if (ret)
 109             gtype = NEXTHOP_TYPE_IPV4;
 110           else
 111             {
 112               vty_out (vty, "%% Invalid nexthop%s", VTY_NEWLINE);
 113               return CMD_WARNING;
 114             }
 115         }
 116     }
 117
 118   if (outlabel_str)
 119     {
 120       if (outlabel_str[0] == 'i')
 121         out_label = MPLS_IMP_NULL_LABEL;
 122       else if (outlabel_str[0] == 'e' && gtype == NEXTHOP_TYPE_IPV4)
 123         out_label = MPLS_V4_EXP_NULL_LABEL;
 124       else if (outlabel_str[0] == 'e' && gtype == NEXTHOP_TYPE_IPV6)
 125         out_label = MPLS_V6_EXP_NULL_LABEL;
 126       else
 127         out_label = atoi(outlabel_str);
 128     }
 129
 130   if (add_cmd)
 131     {
 132 #if defined(HAVE_CUMULUS)
 133       /* Check that label value is consistent. */
 134       if (!zebra_mpls_lsp_label_consistent (zvrf, in_label, out_label, gtype,
 135                                             &gate, 0))
 136         {
 137           vty_out (vty, "%% Label value not consistent%s",
 138                    VTY_NEWLINE);
 139           return CMD_WARNING;
 140         }
 141 #endif /* HAVE_CUMULUS */
 142
 143       ret = zebra_mpls_static_lsp_add (zvrf, in_label, out_label, gtype,
 144                                        &gate, 0);
 145     }
 146   else
 147     ret = zebra_mpls_static_lsp_del (zvrf, in_label, gtype, &gate, 0);
 148
 149   if (ret)
 150     {
 151       vty_out (vty, "%% LSP cannot be %s%s",
 152                add_cmd ? "added" : "deleted", VTY_NEWLINE);
 153       return CMD_WARNING;
 154     }
 155
 156   return CMD_SUCCESS;
 157 }
 158
 159 DEFUN (mpls_transit_lsp,
 160        mpls_transit_lsp_cmd,
 161        "mpls lsp (16-1048575) <A.B.C.D|X:X::X:X> <(16-1048575)|explicit-null|implicit-null>",
 162        MPLS_STR
 163        "Establish label switched path\n"
 164        "Incoming MPLS label\n"
 165        "IPv4 gateway address\n"
 166        "IPv6 gateway address\n"
 167        "Outgoing MPLS label\n"
 168        "Use Explicit-Null label\n"
 169        "Use Implicit-Null label\n")
 170 {
 171   return zebra_mpls_transit_lsp (vty, 1, argv[2]->arg, argv[3]->arg, argv[4]->arg, NULL);
 172 }
 173
 174 DEFUN (no_mpls_transit_lsp,
 175        no_mpls_transit_lsp_cmd,
 176        "no mpls lsp (16-1048575) <A.B.C.D|X:X::X:X>",
 177        NO_STR
 178        MPLS_STR
 179        "Establish label switched path\n"
 180        "Incoming MPLS label\n"
 181        "IPv4 gateway address\n"
 182        "IPv6 gateway address\n")
 183 {
 184   return zebra_mpls_transit_lsp (vty, 0, argv[3]->arg, argv[4]->arg, NULL, NULL);
 185 }
 186
 187 ALIAS (no_mpls_transit_lsp,
 188        no_mpls_transit_lsp_out_label_cmd,
 189        "no mpls lsp (16-1048575) <A.B.C.D|X:X::X:X> <(16-1048575)|explicit-null|implicit-null>",
 190        NO_STR
 191        MPLS_STR
 192        "Establish label switched path\n"
 193        "Incoming MPLS label\n"
 194        "IPv4 gateway address\n"
 195        "IPv6 gateway address\n"
 196        "Outgoing MPLS label\n"
 197        "Use Explicit-Null label\n"
 198        "Use Implicit-Null label\n")
 199
 200 DEFUN (no_mpls_transit_lsp_all,
 201        no_mpls_transit_lsp_all_cmd,
 202        "no mpls lsp (16-1048575)",
 203        NO_STR
 204        MPLS_STR
 205        "Establish label switched path\n"
 206        "Incoming MPLS label\n")
 207 {
 208   return zebra_mpls_transit_lsp (vty, 0, argv[3]->arg, NULL, NULL, NULL);
 209 }
 210
 211 static int
 212 zebra_mpls_bind (struct vty *vty, int add_cmd, const char *prefix,
 213                 const char *label_str)
 214 {
 215   struct zebra_vrf *zvrf;
 216   struct prefix p;
 217   u_int32_t label;
 218   int ret;
 219
 220   zvrf = vrf_info_lookup(VRF_DEFAULT);
 221   if (!zvrf)
 222     {
 223       vty_out (vty, "%% Default VRF does not exist%s", VTY_NEWLINE);
 224       return CMD_WARNING;
 225     }
 226
 227   memset(&p, 0, sizeof(struct prefix));
 228   ret = str2prefix(prefix, &p);
 229   if (ret <= 0)
 230     {
 231       vty_out (vty, "%% Malformed address%s", VTY_NEWLINE);
 232       return CMD_WARNING;
 233     }
 234
 235   if (add_cmd)
 236     {
 237       if (!label_str)
 238         {
 239           vty_out (vty, "%% No label binding specified%s", VTY_NEWLINE);
 240           return CMD_WARNING;
 241         }
 242
 243       if (!strcmp(label_str, "implicit-null"))
 244         label = MPLS_IMP_NULL_LABEL;
 245       else if (!strcmp(label_str, "explicit-null"))
 246         {
 247           if (p.family == AF_INET)
 248             label = MPLS_V4_EXP_NULL_LABEL;
 249           else
 250             label = MPLS_V6_EXP_NULL_LABEL;
 251         }
 252       else
 253         {
 254           label = atoi(label_str);
 255           if (!IS_MPLS_UNRESERVED_LABEL(label))
 256             {
 257               vty_out (vty, "%% Invalid label%s", VTY_NEWLINE);
 258               return CMD_WARNING;
 259             }
 260           if (zebra_mpls_label_already_bound (zvrf, label))
 261             {
 262               vty_out (vty, "%% Label already bound to a FEC%s",
 263                        VTY_NEWLINE);
 264               return CMD_WARNING;
 265             }
 266         }
 267
 268       ret = zebra_mpls_static_fec_add (zvrf, &p, label);
 269     }
 270   else
 271     ret = zebra_mpls_static_fec_del (zvrf, &p);
 272
 273   if (ret)
 274     {
 275       vty_out (vty, "%% FEC to label binding cannot be %s%s",
 276                add_cmd ? "added" : "deleted", VTY_NEWLINE);
 277       return CMD_WARNING;
 278     }
 279
 280   return CMD_SUCCESS;
 281 }
 282
 283 DEFUN (mpls_label_bind,
 284        mpls_label_bind_cmd,
 285        "mpls label bind <A.B.C.D/M|X:X::X:X/M> <(16-1048575)|implicit-null|explicit-null>",
 286        MPLS_STR
 287        "Label configuration\n"
 288        "Establish FEC to label binding\n"
 289        "IPv4 prefix\n"
 290        "IPv6 prefix\n"
 291        "MPLS Label to bind\n"
 292        "Use Implicit-Null Label\n"
 293        "Use Explicit-Null Label\n")
 294 {
 295   return zebra_mpls_bind (vty, 1, argv[3]->arg, argv[4]->arg);
 296 }
 297
 298 DEFUN (no_mpls_label_bind,
 299        no_mpls_label_bind_cmd,
 300        "no mpls label bind <A.B.C.D/M|X:X::X:X/M> [<(16-1048575)|implicit-null>]",
 301        NO_STR
 302        MPLS_STR
 303        "Label configuration\n"
 304        "Establish FEC to label binding\n"
 305        "IPv4 prefix\n"
 306        "IPv6 prefix\n"
 307        "MPLS Label to bind\n"
 308        "Use Implicit-Null Label\n")
 309
 310 {
 311   return zebra_mpls_bind (vty, 0, argv[4]->arg, NULL);
 312 }
 313
 314 /* Static route configuration.  */
 315 DEFUN (ip_route_label,
 316        ip_route_label_cmd,
 317        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> label WORD",
 318        IP_STR
 319        "Establish static routes\n"
 320        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 321        "IP gateway address\n"
 322        "IP gateway interface name\n"
 323        "Null interface\n"
 324        "Specify label(s) for this route\n"
 325        "One or more labels separated by '/'\n")
 326 {
 327   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, NULL,
 328                             NULL, NULL, argv[5]->arg);
 329 }
 330
 331 DEFUN (ip_route_tag_label,
 332        ip_route_tag_label_cmd,
 333        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 334        IP_STR
 335        "Establish static routes\n"
 336        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 337        "IP gateway address\n"
 338        "IP gateway interface name\n"
 339        "Null interface\n"
 340        "Set tag for this route\n"
 341        "Tag value\n"
 342        "Specify label(s) for this route\n"
 343        "One or more labels separated by '/'\n")
 344 {
 345   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, argv[5]->arg,
 346                             NULL, NULL, argv[7]->arg);
 347 }
 348
 349 /* Mask as A.B.C.D format.  */
 350 DEFUN (ip_route_mask_label,
 351        ip_route_mask_label_cmd,
 352        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> label WORD",
 353        IP_STR
 354        "Establish static routes\n"
 355        "IP destination prefix\n"
 356        "IP destination prefix mask\n"
 357        "IP gateway address\n"
 358        "IP gateway interface name\n"
 359        "Null interface\n"
 360        "Specify label(s) for this route\n"
 361        "One or more labels separated by '/'\n")
 362 {
 363   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, argv[3]->arg, argv[4]->arg, NULL, NULL,
 364                             NULL, NULL, argv[6]->arg);
 365 }
 366
 367 DEFUN (ip_route_mask_tag_label,
 368        ip_route_mask_tag_label_cmd,
 369        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 370        IP_STR
 371        "Establish static routes\n"
 372        "IP destination prefix\n"
 373        "IP destination prefix mask\n"
 374        "IP gateway address\n"
 375        "IP gateway interface name\n"
 376        "Null interface\n"
 377        "Set tag for this route\n"
 378        "Tag value\n"
 379        "Specify label(s) for this route\n"
 380        "One or more labels separated by '/'\n")
 381
 382 {
 383   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, argv[3]->arg, argv[4]->arg, NULL, argv[6]->arg,
 384                             NULL, NULL, argv[8]->arg);
 385 }
 386
 387 /* Distance option value.  */
 388 DEFUN (ip_route_distance_label,
 389        ip_route_distance_label_cmd,
 390        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 391        IP_STR
 392        "Establish static routes\n"
 393        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 394        "IP gateway address\n"
 395        "IP gateway interface name\n"
 396        "Null interface\n"
 397        "Distance value for this route\n"
 398        "Specify label(s) for this route\n"
 399        "One or more labels separated by '/'\n")
 400 {
 401   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, NULL,
 402                             argv[4]->arg, NULL, argv[6]->arg);
 403 }
 404
 405 DEFUN (ip_route_tag_distance_label,
 406        ip_route_tag_distance_label_cmd,
 407        "ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 408        IP_STR
 409        "Establish static routes\n"
 410        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 411        "IP gateway address\n"
 412        "IP gateway interface name\n"
 413        "Null interface\n"
 414        "Set tag for this route\n"
 415        "Tag value\n"
 416        "Distance value for this route\n"
 417        "Specify label(s) for this route\n"
 418        "One or more labels separated by '/'\n")
 419
 420 {
 421   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, argv[5]->arg,
 422                             argv[6]->arg, NULL, argv[8]->arg);
 423 }
 424
 425 DEFUN (ip_route_mask_distance_label,
 426        ip_route_mask_distance_label_cmd,
 427        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 428        IP_STR
 429        "Establish static routes\n"
 430        "IP destination prefix\n"
 431        "IP destination prefix mask\n"
 432        "IP gateway address\n"
 433        "IP gateway interface name\n"
 434        "Null interface\n"
 435        "Distance value for this route\n"
 436        "Specify label(s) for this route\n"
 437        "One or more labels separated by '/'\n")
 438 {
 439   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, argv[3]->arg, argv[4]->arg, NULL, NULL,
 440                             argv[5]->arg, NULL, argv[7]->arg);
 441 }
 442
 443 DEFUN (ip_route_mask_tag_distance_label,
 444        ip_route_mask_tag_distance_label_cmd,
 445        "ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 446        IP_STR
 447        "Establish static routes\n"
 448        "IP destination prefix\n"
 449        "IP destination prefix mask\n"
 450        "IP gateway address\n"
 451        "IP gateway interface name\n"
 452        "Null interface\n"
 453        "Set tag for this route\n"
 454        "Tag value\n"
 455        "Distance value for this route\n"
 456        "Specify label(s) for this route\n"
 457        "One or more labels separated by '/'\n")
 458 {
 459   return zebra_static_ipv4 (vty, SAFI_UNICAST, 1, argv[2]->arg, argv[3]->arg, argv[4]->arg, NULL, argv[6]->arg,
 460                             argv[7]->arg, NULL, argv[9]->arg);
 461 }
 462
 463 DEFUN (no_ip_route_label,
 464        no_ip_route_label_cmd,
 465        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> label WORD",
 466        NO_STR
 467        IP_STR
 468        "Establish static routes\n"
 469        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 470        "IP gateway address\n"
 471        "IP gateway interface name\n"
 472        "Null interface\n"
 473        "Specify label(s) for this route\n"
 474        "One or more labels separated by '/'\n")
 475 {
 476   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, NULL,
 477                             NULL, NULL, argv[6]->arg);
 478 }
 479
 480 DEFUN (no_ip_route_tag_label,
 481        no_ip_route_tag_label_cmd,
 482        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 483        NO_STR
 484        IP_STR
 485        "Establish static routes\n"
 486        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 487        "IP gateway address\n"
 488        "IP gateway interface name\n"
 489        "Null interface\n"
 490        "Tag of this route\n"
 491        "Tag value\n"
 492        "Specify label(s) for this route\n"
 493        "One or more labels separated by '/'\n")
 494 {
 495   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, argv[6]->arg,
 496                             NULL, NULL, argv[8]->arg);
 497 }
 498
 499 DEFUN (no_ip_route_mask_label,
 500        no_ip_route_mask_label_cmd,
 501        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> label WORD",
 502        NO_STR
 503        IP_STR
 504        "Establish static routes\n"
 505        "IP destination prefix\n"
 506        "IP destination prefix mask\n"
 507        "IP gateway address\n"
 508        "IP gateway interface name\n"
 509        "Null interface\n"
 510        "Specify label(s) for this route\n"
 511        "One or more labels separated by '/'\n")
 512 {
 513   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, argv[4]->arg, argv[5]->arg, NULL, NULL,
 514                             NULL, NULL, argv[7]->arg);
 515 }
 516
 517 DEFUN (no_ip_route_mask_tag_label,
 518        no_ip_route_mask_tag_label_cmd,
 519        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) label WORD",
 520        NO_STR
 521        IP_STR
 522        "Establish static routes\n"
 523        "IP destination prefix\n"
 524        "IP destination prefix mask\n"
 525        "IP gateway address\n"
 526        "IP gateway interface name\n"
 527        "Null interface\n"
 528        "Tag of this route\n"
 529        "Tag value\n"
 530        "Specify label(s) for this route\n"
 531        "One or more labels separated by '/'\n")
 532 {
 533   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, argv[4]->arg, argv[5]->arg, NULL, argv[7]->arg,
 534                             NULL, NULL, argv[9]->arg);
 535 }
 536
 537 DEFUN (no_ip_route_distance_label,
 538        no_ip_route_distance_label_cmd,
 539        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 540        NO_STR
 541        IP_STR
 542        "Establish static routes\n"
 543        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 544        "IP gateway address\n"
 545        "IP gateway interface name\n"
 546        "Null interface\n"
 547        "Distance value for this route\n"
 548        "Specify label(s) for this route\n"
 549        "One or more labels separated by '/'\n")
 550 {
 551   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, NULL,
 552                             argv[5]->arg, NULL, argv[7]->arg);
 553 }
 554
 555 DEFUN (no_ip_route_tag_distance_label,
 556        no_ip_route_tag_distance_label_cmd,
 557        "no ip route A.B.C.D/M <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 558        NO_STR
 559        IP_STR
 560        "Establish static routes\n"
 561        "IP destination prefix (e.g. 10.0.0.0/8)\n"
 562        "IP gateway address\n"
 563        "IP gateway interface name\n"
 564        "Null interface\n"
 565        "Tag of this route\n"
 566        "Tag value\n"
 567        "Distance value for this route\n"
 568        "Specify label(s) for this route\n"
 569        "One or more labels separated by '/'\n")
 570 {
 571   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, argv[6]->arg,
 572                             argv[7]->arg, NULL, argv[9]->arg);
 573 }
 574
 575 DEFUN (no_ip_route_mask_distance_label,
 576        no_ip_route_mask_distance_label_cmd,
 577        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> (1-255) label WORD",
 578        NO_STR
 579        IP_STR
 580        "Establish static routes\n"
 581        "IP destination prefix\n"
 582        "IP destination prefix mask\n"
 583        "IP gateway address\n"
 584        "IP gateway interface name\n"
 585        "Null interface\n"
 586        "Distance value for this route\n"
 587        "Specify label(s) for this route\n"
 588        "One or more labels separated by '/'\n")
 589 {
 590   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, argv[4]->arg, argv[5]->arg, NULL, NULL,
 591                             argv[6]->arg, NULL, argv[8]->arg);
 592 }
 593
 594 DEFUN (no_ip_route_mask_tag_distance_label,
 595        no_ip_route_mask_tag_distance_label_cmd,
 596        "no ip route A.B.C.D A.B.C.D <A.B.C.D|INTERFACE|null0> tag (1-4294967295) (1-255) label WORD",
 597        NO_STR
 598        IP_STR
 599        "Establish static routes\n"
 600        "IP destination prefix\n"
 601        "IP destination prefix mask\n"
 602        "IP gateway address\n"
 603        "IP gateway interface name\n"
 604        "Null interface\n"
 605        "Tag of this route\n"
 606        "Tag value\n"
 607        "Distance value for this route\n"
 608        "Specify label(s) for this route\n"
 609        "One or more labels separated by '/'\n")
 610 {
 611   return zebra_static_ipv4 (vty, SAFI_UNICAST, 0, argv[3]->arg, argv[4]->arg, argv[5]->arg, NULL, argv[7]->arg,
 612                             argv[8]->arg, NULL, argv[10]->arg);
 613 }
 614
 615 DEFUN (ipv6_route_label,
 616        ipv6_route_label_cmd,
 617        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> label WORD",
 618        IP_STR
 619        "Establish static routes\n"
 620        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 621        "IPv6 gateway address\n"
 622        "IPv6 gateway interface name\n"
 623        "Specify label(s) for this route\n"
 624        "One or more labels separated by '/'\n")
 625 {
 626   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, NULL, NULL, NULL, NULL, argv[5]->arg);
 627 }
 628
 629 DEFUN (ipv6_route_tag_label,
 630        ipv6_route_tag_label_cmd,
 631        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) label WORD",
 632        IP_STR
 633        "Establish static routes\n"
 634        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 635        "IPv6 gateway address\n"
 636        "IPv6 gateway interface name\n"
 637        "Set tag for this route\n"
 638        "Tag value\n"
 639        "Specify label(s) for this route\n"
 640        "One or more labels separated by '/'\n")
 641 {
 642   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, NULL, argv[5]->arg, NULL, NULL, argv[7]->arg);
 643 }
 644
 645 DEFUN (ipv6_route_ifname_label,
 646        ipv6_route_ifname_label_cmd,
 647        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE label WORD",
 648        IP_STR
 649        "Establish static routes\n"
 650        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 651        "IPv6 gateway address\n"
 652        "IPv6 gateway interface name\n"
 653        "Specify label(s) for this route\n"
 654        "One or more labels separated by '/'\n")
 655 {
 656   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, argv[4]->arg, NULL, NULL, NULL, NULL, argv[6]->arg);
 657 }
 658 DEFUN (ipv6_route_ifname_tag_label,
 659        ipv6_route_ifname_tag_label_cmd,
 660        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) label WORD",
 661        IP_STR
 662        "Establish static routes\n"
 663        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 664        "IPv6 gateway address\n"
 665        "IPv6 gateway interface name\n"
 666        "Set tag for this route\n"
 667        "Tag value\n"
 668        "Specify label(s) for this route\n"
 669        "One or more labels separated by '/'\n")
 670 {
 671   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, argv[4]->arg, NULL, argv[6]->arg, NULL, NULL, argv[8]->arg);
 672 }
 673
 674 DEFUN (ipv6_route_pref_label,
 675        ipv6_route_pref_label_cmd,
 676        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> (1-255) label WORD",
 677        IP_STR
 678        "Establish static routes\n"
 679        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 680        "IPv6 gateway address\n"
 681        "IPv6 gateway interface name\n"
 682        "Distance value for this prefix\n"
 683        "Specify label(s) for this route\n"
 684        "One or more labels separated by '/'\n")
 685 {
 686   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, NULL, NULL, argv[4]->arg, NULL, argv[6]->arg);
 687 }
 688
 689 DEFUN (ipv6_route_pref_tag_label,
 690        ipv6_route_pref_tag_label_cmd,
 691        "ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) (1-255) label WORD",
 692        IP_STR
 693        "Establish static routes\n"
 694        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 695        "IPv6 gateway address\n"
 696        "IPv6 gateway interface name\n"
 697        "Set tag for this route\n"
 698        "Tag value\n"
 699        "Distance value for this prefix\n"
 700        "Specify label(s) for this route\n"
 701        "One or more labels separated by '/'\n")
 702 {
 703   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, NULL, NULL, argv[5]->arg, argv[6]->arg, NULL, argv[8]->arg);
 704 }
 705
 706 DEFUN (ipv6_route_ifname_pref_label,
 707        ipv6_route_ifname_pref_label_cmd,
 708        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE (1-255) label WORD",
 709        IP_STR
 710        "Establish static routes\n"
 711        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 712        "IPv6 gateway address\n"
 713        "IPv6 gateway interface name\n"
 714        "Distance value for this prefix\n"
 715        "Specify label(s) for this route\n"
 716        "One or more labels separated by '/'\n")
 717 {
 718   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, argv[4]->arg, NULL, NULL, argv[5]->arg, NULL, argv[7]->arg);
 719 }
 720
 721 DEFUN (ipv6_route_ifname_pref_tag_label,
 722        ipv6_route_ifname_pref_tag_label_cmd,
 723        "ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) (1-255) label WORD",
 724        IP_STR
 725        "Establish static routes\n"
 726        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 727        "IPv6 gateway address\n"
 728        "IPv6 gateway interface name\n"
 729        "Set tag for this route\n"
 730        "Tag value\n"
 731        "Distance value for this prefix\n"
 732        "Specify label(s) for this route\n"
 733        "One or more labels separated by '/'\n")
 734 {
 735   return static_ipv6_func (vty, 1, argv[2]->arg, NULL, argv[3]->arg, argv[4]->arg, NULL, argv[6]->arg, argv[7]->arg, NULL, argv[9]->arg);
 736 }
 737
 738 DEFUN (no_ipv6_route_label,
 739        no_ipv6_route_label_cmd,
 740        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> label WORD",
 741        NO_STR
 742        IP_STR
 743        "Establish static routes\n"
 744        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 745        "IPv6 gateway address\n"
 746        "IPv6 gateway interface name\n"
 747        "Specify label(s) for this route\n"
 748        "One or more labels separated by '/'\n")
 749 {
 750   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, NULL, NULL, NULL, NULL, argv[6]->arg);
 751 }
 752
 753 DEFUN (no_ipv6_route_tag_label,
 754        no_ipv6_route_tag_label_cmd,
 755        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) label WORD",
 756        NO_STR
 757        IP_STR
 758        "Establish static routes\n"
 759        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 760        "IPv6 gateway address\n"
 761        "IPv6 gateway interface name\n"
 762        "Set tag for this route\n"
 763        "Tag value\n"
 764        "Specify label(s) for this route\n"
 765        "One or more labels separated by '/'\n")
 766 {
 767   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, NULL, argv[6]->arg, NULL, NULL, argv[8]->arg);
 768 }
 769
 770 DEFUN (no_ipv6_route_ifname_label,
 771        no_ipv6_route_ifname_label_cmd,
 772        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE label WORD",
 773        NO_STR
 774        IP_STR
 775        "Establish static routes\n"
 776        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 777        "IPv6 gateway address\n"
 778        "IPv6 gateway interface name\n"
 779        "Specify label(s) for this route\n"
 780        "One or more labels separated by '/'\n")
 781 {
 782   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, argv[5]->arg, NULL, NULL, NULL, NULL, argv[7]->arg);
 783 }
 784
 785 DEFUN (no_ipv6_route_ifname_tag_label,
 786        no_ipv6_route_ifname_tag_label_cmd,
 787        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) label WORD",
 788        NO_STR
 789        IP_STR
 790        "Establish static routes\n"
 791        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 792        "IPv6 gateway address\n"
 793        "IPv6 gateway interface name\n"
 794        "Set tag for this route\n"
 795        "Tag value\n"
 796        "Specify label(s) for this route\n"
 797        "One or more labels separated by '/'\n")
 798 {
 799   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, argv[5]->arg, NULL, argv[7]->arg, NULL, NULL, argv[9]->arg);
 800 }
 801
 802 DEFUN (no_ipv6_route_pref_label,
 803        no_ipv6_route_pref_label_cmd,
 804        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> (1-255) label WORD",
 805        NO_STR
 806        IP_STR
 807        "Establish static routes\n"
 808        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 809        "IPv6 gateway address\n"
 810        "IPv6 gateway interface name\n"
 811        "Distance value for this prefix\n"
 812        "Specify label(s) for this route\n"
 813        "One or more labels separated by '/'\n")
 814 {
 815   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, NULL, NULL, argv[5]->arg, NULL, argv[7]->arg);
 816 }
 817
 818 DEFUN (no_ipv6_route_pref_tag_label,
 819        no_ipv6_route_pref_tag_label_cmd,
 820        "no ipv6 route X:X::X:X/M <X:X::X:X|INTERFACE> tag (1-4294967295) (1-255) label WORD",
 821        NO_STR
 822        IP_STR
 823        "Establish static routes\n"
 824        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 825        "IPv6 gateway address\n"
 826        "IPv6 gateway interface name\n"
 827        "Set tag for this route\n"
 828        "Tag value\n"
 829        "Distance value for this prefix\n"
 830        "Specify label(s) for this route\n"
 831        "One or more labels separated by '/'\n")
 832 {
 833   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, NULL, NULL, argv[6]->arg, argv[7]->arg, NULL, argv[9]->arg);
 834 }
 835
 836 DEFUN (no_ipv6_route_ifname_pref_label,
 837        no_ipv6_route_ifname_pref_label_cmd,
 838        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE (1-255) label WORD",
 839        NO_STR
 840        IP_STR
 841        "Establish static routes\n"
 842        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 843        "IPv6 gateway address\n"
 844        "IPv6 gateway interface name\n"
 845        "Distance value for this prefix\n"
 846        "Specify label(s) for this route\n"
 847        "One or more labels separated by '/'\n")
 848 {
 849   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, argv[5]->arg, NULL, NULL, argv[6]->arg, NULL, argv[8]->arg);
 850 }
 851
 852 DEFUN (no_ipv6_route_ifname_pref_tag_label,
 853        no_ipv6_route_ifname_pref_tag_label_cmd,
 854        "no ipv6 route X:X::X:X/M X:X::X:X INTERFACE tag (1-4294967295) (1-255) label WORD",
 855        NO_STR
 856        IP_STR
 857        "Establish static routes\n"
 858        "IPv6 destination prefix (e.g. 3ffe:506::/32)\n"
 859        "IPv6 gateway address\n"
 860        "IPv6 gateway interface name\n"
 861        "Set tag for this route\n"
 862        "Tag value\n"
 863        "Distance value for this prefix\n"
 864        "Specify label(s) for this route\n"
 865        "One or more labels separated by '/'\n")
 866 {
 867   return static_ipv6_func (vty, 0, argv[3]->arg, NULL, argv[4]->arg, argv[5]->arg, NULL, argv[7]->arg, argv[8]->arg, NULL, argv[10]->arg);
 868 }
 869
 870 /* MPLS LSP configuration write function. */
 871 static int
 872 zebra_mpls_config (struct vty *vty)
 873 {
 874   int write = 0;
 875   struct zebra_vrf *zvrf;
 876
 877   zvrf = vrf_info_lookup(VRF_DEFAULT);
 878   if (!zvrf)
 879     return 0;
 880
 881   write += zebra_mpls_write_lsp_config(vty, zvrf);
 882   write += zebra_mpls_write_fec_config(vty, zvrf);
 883   write += zebra_mpls_write_label_block_config (vty, zvrf);
 884   return write;
 885 }
 886
 887 DEFUN (show_mpls_fec,
 888        show_mpls_fec_cmd,
 889        "show mpls fec [<A.B.C.D/M|X:X::X:X/M>]",
 890        SHOW_STR
 891        MPLS_STR
 892        "MPLS FEC table\n"
 893        "FEC to display information about\n"
 894        "FEC to display information about\n")
 895 {
 896   struct zebra_vrf *zvrf;
 897   struct prefix p;
 898   int ret;
 899
 900   zvrf = vrf_info_lookup(VRF_DEFAULT);
 901   if (!zvrf)
 902     return 0;
 903
 904   if (argc == 3)
 905     zebra_mpls_print_fec_table(vty, zvrf);
 906   else
 907     {
 908       memset(&p, 0, sizeof(struct prefix));
 909       ret = str2prefix(argv[3]->arg, &p);
 910       if (ret <= 0)
 911         {
 912           vty_out (vty, "%% Malformed address%s", VTY_NEWLINE);
 913           return CMD_WARNING;
 914         }
 915       zebra_mpls_print_fec (vty, zvrf, &p);
 916     }
 917
 918   return CMD_SUCCESS;
 919 }
 920
 921 DEFUN (show_mpls_table,
 922        show_mpls_table_cmd,
 923        "show mpls table [json]",
 924        SHOW_STR
 925        MPLS_STR
 926        "MPLS table\n"
 927        JSON_STR)
 928 {
 929   struct zebra_vrf *zvrf;
 930   u_char uj = use_json (argc, argv);
 931
 932   zvrf = vrf_info_lookup(VRF_DEFAULT);
 933   zebra_mpls_print_lsp_table(vty, zvrf, uj);
 934   return CMD_SUCCESS;
 935 }
 936
 937 DEFUN (show_mpls_table_lsp,
 938        show_mpls_table_lsp_cmd,
 939        "show mpls table (16-1048575) [json]",
 940        SHOW_STR
 941        MPLS_STR
 942        "MPLS table\n"
 943        "LSP to display information about\n"
 944        JSON_STR)
 945 {
 946   u_int32_t label;
 947   struct zebra_vrf *zvrf;
 948   u_char uj = use_json (argc, argv);
 949
 950   zvrf = vrf_info_lookup(VRF_DEFAULT);
 951   label = atoi(argv[3]->arg);
 952   zebra_mpls_print_lsp (vty, zvrf, label, uj);
 953   return CMD_SUCCESS;
 954 }
 955
 956 DEFUN (show_mpls_status,
 957        show_mpls_status_cmd,
 958        "show mpls status",
 959        SHOW_STR
 960        "MPLS information\n"
 961        "MPLS status\n")
 962 {
 963   vty_out (vty, "MPLS support enabled: %s%s", (mpls_enabled) ? "yes" :
 964            "no (mpls kernel extensions not detected)", VTY_NEWLINE);
 965   return CMD_SUCCESS;
 966 }
 967
 968 static int
 969 zebra_mpls_global_block (struct vty *vty, int add_cmd,
 970                      const char *start_label_str, const char *end_label_str)
 971 {
 972   int ret;
 973   u_int32_t start_label;
 974   u_int32_t end_label;
 975   struct zebra_vrf *zvrf;
 976
 977   zvrf = zebra_vrf_lookup_by_id(VRF_DEFAULT);
 978   if (!zvrf)
 979     {
 980       vty_out (vty, "%% Default VRF does not exist%s", VTY_NEWLINE);
 981       return CMD_WARNING;
 982     }
 983
 984   if (add_cmd)
 985     {
 986       if (!start_label_str || !end_label_str)
 987         {
 988           vty_out (vty, "%% Labels not specified%s", VTY_NEWLINE);
 989           return CMD_WARNING;
 990         }
 991
 992       start_label = atoi(start_label_str);
 993       end_label = atoi(end_label_str);
 994       if (!IS_MPLS_UNRESERVED_LABEL(start_label) ||
 995           !IS_MPLS_UNRESERVED_LABEL(end_label))
 996         {
 997           vty_out (vty, "%% Invalid label%s", VTY_NEWLINE);
 998           return CMD_WARNING;
 999         }
1000       if (end_label < start_label)
1001         {
1002           vty_out (vty, "%% End label is less than Start label%s",
1003                    VTY_NEWLINE);
1004           return CMD_WARNING;
1005         }
1006
1007       ret = zebra_mpls_label_block_add (zvrf, start_label, end_label);
1008     }
1009   else
1010     ret = zebra_mpls_label_block_del (zvrf);
1011
1012   if (ret)
1013     {
1014       vty_out (vty, "%% Global label block could not be %s%s",
1015                add_cmd ? "added" : "deleted", VTY_NEWLINE);
1016       return CMD_WARNING;
1017     }
1018
1019   return CMD_SUCCESS;
1020 }
1021
1022 DEFUN (mpls_label_global_block,
1023        mpls_label_global_block_cmd,
1024        "mpls label global-block (16-1048575) (16-1048575)",
1025        MPLS_STR
1026        "Label configuration\n"
1027        "Configure global label block\n"
1028        "Start label\n"
1029        "End label\n")
1030 {
1031   return zebra_mpls_global_block (vty, 1, argv[3]->arg, argv[4]->arg);
1032 }
1033
1034 DEFUN (no_mpls_label_global_block,
1035        no_mpls_label_global_block_cmd,
1036        "no mpls label global-block [(16-1048575) (16-1048575)]",
1037        NO_STR
1038        MPLS_STR
1039        "Label configuration\n"
1040        "Configure global label block\n"
1041        "Start label\n"
1042        "End label\n")
1043 {
1044   return zebra_mpls_global_block (vty, 0, NULL, NULL);
1045 }
1046
1047 /* MPLS node for MPLS LSP. */
1048 static struct cmd_node mpls_node = { MPLS_NODE,  "",  1 };
1049
1050 /* MPLS VTY.  */
1051 void
1052 zebra_mpls_vty_init (void)
1053 {
1054   install_element (VIEW_NODE, &show_mpls_status_cmd);
1055
1056   install_node (&mpls_node, zebra_mpls_config);
1057
1058   install_element (CONFIG_NODE, &ip_route_label_cmd);
1059   install_element (CONFIG_NODE, &ip_route_tag_label_cmd);
1060   install_element (CONFIG_NODE, &ip_route_mask_label_cmd);
1061   install_element (CONFIG_NODE, &ip_route_mask_tag_label_cmd);
1062   install_element (CONFIG_NODE, &no_ip_route_label_cmd);
1063   install_element (CONFIG_NODE, &no_ip_route_tag_label_cmd);
1064   install_element (CONFIG_NODE, &no_ip_route_mask_label_cmd);
1065   install_element (CONFIG_NODE, &no_ip_route_mask_tag_label_cmd);
1066   install_element (CONFIG_NODE, &ip_route_distance_label_cmd);
1067   install_element (CONFIG_NODE, &ip_route_tag_distance_label_cmd);
1068   install_element (CONFIG_NODE, &ip_route_mask_distance_label_cmd);
1069   install_element (CONFIG_NODE, &ip_route_mask_tag_distance_label_cmd);
1070   install_element (CONFIG_NODE, &no_ip_route_distance_label_cmd);
1071   install_element (CONFIG_NODE, &no_ip_route_tag_distance_label_cmd);
1072   install_element (CONFIG_NODE, &no_ip_route_mask_distance_label_cmd);
1073   install_element (CONFIG_NODE, &no_ip_route_mask_tag_distance_label_cmd);
1074
1075   install_element (CONFIG_NODE, &ipv6_route_label_cmd);
1076   install_element (CONFIG_NODE, &ipv6_route_ifname_label_cmd);
1077   install_element (CONFIG_NODE, &no_ipv6_route_label_cmd);
1078   install_element (CONFIG_NODE, &no_ipv6_route_ifname_label_cmd);
1079   install_element (CONFIG_NODE, &ipv6_route_pref_label_cmd);
1080   install_element (CONFIG_NODE, &ipv6_route_ifname_pref_label_cmd);
1081   install_element (CONFIG_NODE, &no_ipv6_route_pref_label_cmd);
1082   install_element (CONFIG_NODE, &no_ipv6_route_ifname_pref_label_cmd);
1083   install_element (CONFIG_NODE, &ipv6_route_tag_label_cmd);
1084   install_element (CONFIG_NODE, &ipv6_route_ifname_tag_label_cmd);
1085   install_element (CONFIG_NODE, &ipv6_route_pref_tag_label_cmd);
1086   install_element (CONFIG_NODE, &ipv6_route_ifname_pref_tag_label_cmd);
1087   install_element (CONFIG_NODE, &no_ipv6_route_tag_label_cmd);
1088   install_element (CONFIG_NODE, &no_ipv6_route_ifname_tag_label_cmd);
1089   install_element (CONFIG_NODE, &no_ipv6_route_pref_tag_label_cmd);
1090   install_element (CONFIG_NODE, &no_ipv6_route_ifname_pref_tag_label_cmd);
1091
1092   install_element (CONFIG_NODE, &mpls_transit_lsp_cmd);
1093   install_element (CONFIG_NODE, &no_mpls_transit_lsp_cmd);
1094   install_element (CONFIG_NODE, &no_mpls_transit_lsp_out_label_cmd);
1095   install_element (CONFIG_NODE, &no_mpls_transit_lsp_all_cmd);
1096   install_element (CONFIG_NODE, &mpls_label_bind_cmd);
1097   install_element (CONFIG_NODE, &no_mpls_label_bind_cmd);
1098
1099   install_element (CONFIG_NODE, &mpls_label_global_block_cmd);
1100   install_element (CONFIG_NODE, &no_mpls_label_global_block_cmd);
1101
1102   install_element (VIEW_NODE, &show_mpls_table_cmd);
1103   install_element (VIEW_NODE, &show_mpls_table_lsp_cmd);
1104   install_element (VIEW_NODE, &show_mpls_fec_cmd);
1105 }