bgp_vty.c

大名鼎鼎的路由器源码。程序分ZEBRA、OSPFRIP等3个包。程序框架采用一个路由协议一个进程的方式

    }

  bgp_cluster_id_unset (bgp);

  return CMD_SUCCESS;
}

ALIAS (no_bgp_cluster_id,
       no_bgp_cluster_id_arg_cmd,
       "no bgp cluster-id A.B.C.D",
       NO_STR
       BGP_STR
       "Configure Route-Reflector Cluster-id\n"
       "Route-Reflector Cluster-id in IP address format\n");

DEFUN (bgp_confederation_identifier,
       bgp_confederation_identifier_cmd,
       "bgp confederation identifier <1-65535>",
       "BGP specific commands\n"
       "AS confederation parameters\n"
       "AS number\n"
       "Set routing domain confederation AS\n")
{
  struct bgp *bgp;
  as_t as;

  bgp = vty->index;

  VTY_GET_INTEGER ("AS", as, argv[0]);

  bgp_confederation_id_set (bgp, as);

  return CMD_SUCCESS;
}

DEFUN (no_bgp_confederation_identifier,
       no_bgp_confederation_identifier_cmd,
       "no bgp confederation identifier",
       NO_STR
       "BGP specific commands\n"
       "AS confederation parameters\n"
       "AS number\n")
{
  struct bgp *bgp;
  as_t as;

  bgp = vty->index;

  if (argc == 1)
    VTY_GET_INTEGER ("AS", as, argv[0]);

  bgp_confederation_id_unset (bgp);

  return CMD_SUCCESS;
}

ALIAS (no_bgp_confederation_identifier,
       no_bgp_confederation_identifier_arg_cmd,
       "no bgp confederation identifier <1-65535>",
       NO_STR
       "BGP specific commands\n"
       "AS confederation parameters\n"
       "AS number\n"
       "Set routing domain confederation AS\n");

DEFUN (bgp_confederation_peers,
       bgp_confederation_peers_cmd,
       "bgp confederation peers .<1-65535>",
       "BGP specific commands\n"
       "AS confederation parameters\n"
       "Peer ASs in BGP confederation\n"
       AS_STR)
{
  struct bgp *bgp;
  as_t as;
  int i;

  bgp = vty->index;

  for (i = 0; i < argc; i++)
    {
      VTY_GET_INTEGER_RANGE ("AS", as, argv[i], 1, 65535);

      if (bgp->as == as)
	{
	  vty_out (vty, "%% Local member-AS not allowed in confed peer list%s",
		   VTY_NEWLINE);
	  continue;
	}

      bgp_confederation_peers_add (bgp, as);
    }
  return CMD_SUCCESS;
}

DEFUN (no_bgp_confederation_peers,
       no_bgp_confederation_peers_cmd,
       "no bgp confederation peers .<1-65535>",
       NO_STR
       "BGP specific commands\n"
       "AS confederation parameters\n"
       "Peer ASs in BGP confederation\n"
       AS_STR)
{
  struct bgp *bgp;
  as_t as;
  int i;

  bgp = vty->index;

  for (i = 0; i < argc; i++)
    {
      VTY_GET_INTEGER_RANGE ("AS", as, argv[i], 1, 65535);
      
      bgp_confederation_peers_remove (bgp, as);
    }
  return CMD_SUCCESS;
}

/* BGP timers.  */

DEFUN (bgp_timers,
       bgp_timers_cmd,
       "timers bgp <0-65535> <0-65535>",
       "Adjust routing timers\n"
       "BGP timers\n"
       "Keepalive interval\n"
       "Holdtime\n")
{
  struct bgp *bgp;
  unsigned long keepalive = 0;
  unsigned long holdtime = 0;

  bgp = vty->index;

  VTY_GET_INTEGER ("keepalive", keepalive, argv[0]);
  VTY_GET_INTEGER ("holdtime", holdtime, argv[1]);

  /* Holdtime value check. */
  if (holdtime < 3 && holdtime != 0)
    {
      vty_out (vty, "%% hold time value must be either 0 or greater than 3%s",
	       VTY_NEWLINE);
      return CMD_WARNING;
    }

  bgp_timers_set (bgp, keepalive, holdtime);

  return CMD_SUCCESS;
}

DEFUN (no_bgp_timers,
       no_bgp_timers_cmd,
       "no timers bgp",
       NO_STR
       "Adjust routing timers\n"
       "BGP timers\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_timers_unset (bgp);

  return CMD_SUCCESS;
}

ALIAS (no_bgp_timers,
       no_bgp_timers_arg_cmd,
       "no timers bgp <0-65535> <0-65535>",
       NO_STR
       "Adjust routing timers\n"
       "BGP timers\n"
       "Keepalive interval\n"
       "Holdtime\n");

DEFUN (bgp_client_to_client_reflection,
       bgp_client_to_client_reflection_cmd,
       "bgp client-to-client reflection",
       "BGP specific commands\n"
       "Configure client to client route reflection\n"
       "reflection of routes allowed\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_client_to_client_reflection,
       no_bgp_client_to_client_reflection_cmd,
       "no bgp client-to-client reflection",
       NO_STR
       "BGP specific commands\n"
       "Configure client to client route reflection\n"
       "reflection of routes allowed\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_NO_CLIENT_TO_CLIENT);
  return CMD_SUCCESS;
}

/* "bgp always-compare-med" configuration. */
DEFUN (bgp_always_compare_med,
       bgp_always_compare_med_cmd,
       "bgp always-compare-med",
       "BGP specific commands\n"
       "Allow comparing MED from different neighbors\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_ALWAYS_COMPARE_MED);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_always_compare_med,
       no_bgp_always_compare_med_cmd,
       "no bgp always-compare-med",
       NO_STR
       "BGP specific commands\n"
       "Allow comparing MED from different neighbors\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_ALWAYS_COMPARE_MED);
  return CMD_SUCCESS;
}

/* "bgp deterministic-med" configuration. */
DEFUN (bgp_deterministic_med,
       bgp_deterministic_med_cmd,
       "bgp deterministic-med",
       "BGP specific commands\n"
       "Pick the best-MED path among paths advertised from the neighboring AS\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_DETERMINISTIC_MED);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_deterministic_med,
       no_bgp_deterministic_med_cmd,
       "no bgp deterministic-med",
       NO_STR
       "BGP specific commands\n"
       "Pick the best-MED path among paths advertised from the neighboring AS\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_DETERMINISTIC_MED);
  return CMD_SUCCESS;
}

/* "bgp fast-external-failover" configuration. */
DEFUN (bgp_fast_external_failover,
       bgp_fast_external_failover_cmd,
       "bgp fast-external-failover",
       BGP_STR
       "Immediately reset session if a link to a directly connected external peer goes down\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_NO_FAST_EXT_FAILOVER);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_fast_external_failover,
       no_bgp_fast_external_failover_cmd,
       "no bgp fast-external-failover",
       NO_STR
       BGP_STR
       "Immediately reset session if a link to a directly connected external peer goes down\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_NO_FAST_EXT_FAILOVER);
  return CMD_SUCCESS;
}

/* "bgp enforce-first-as" configuration. */
DEFUN (bgp_enforce_first_as,
       bgp_enforce_first_as_cmd,
       "bgp enforce-first-as",
       BGP_STR
       "Enforce the first AS for EBGP routes\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_ENFORCE_FIRST_AS);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_enforce_first_as,
       no_bgp_enforce_first_as_cmd,
       "no bgp enforce-first-as",
       NO_STR
       BGP_STR
       "Enforce the first AS for EBGP routes\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_ENFORCE_FIRST_AS);
  return CMD_SUCCESS;
}

/* "bgp bestpath compare-routerid" configuration.  */
DEFUN (bgp_bestpath_compare_router_id,
       bgp_bestpath_compare_router_id_cmd,
       "bgp bestpath compare-routerid",
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "Compare router-id for identical EBGP paths\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_COMPARE_ROUTER_ID);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_bestpath_compare_router_id,
       no_bgp_bestpath_compare_router_id_cmd,
       "no bgp bestpath compare-routerid",
       NO_STR
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "Compare router-id for identical EBGP paths\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_COMPARE_ROUTER_ID);
  return CMD_SUCCESS;
}

/* "bgp bestpath as-path ignore" configuration.  */
DEFUN (bgp_bestpath_aspath_ignore,
       bgp_bestpath_aspath_ignore_cmd,
       "bgp bestpath as-path ignore",
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "AS-path attribute\n"
       "Ignore as-path length in selecting a route\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_ASPATH_IGNORE);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_bestpath_aspath_ignore,
       no_bgp_bestpath_aspath_ignore_cmd,
       "no bgp bestpath as-path ignore",
       NO_STR
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "AS-path attribute\n"
       "Ignore as-path length in selecting a route\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_ASPATH_IGNORE);
  return CMD_SUCCESS;
}

/* "bgp log-neighbor-changes" configuration.  */
DEFUN (bgp_log_neighbor_changes,
       bgp_log_neighbor_changes_cmd,
       "bgp log-neighbor-changes",
       "BGP specific commands\n"
       "Log neighbor up/down and reset reason\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES);
  return CMD_SUCCESS;
}

DEFUN (no_bgp_log_neighbor_changes,
       no_bgp_log_neighbor_changes_cmd,
       "no bgp log-neighbor-changes",
       NO_STR
       "BGP specific commands\n"
       "Log neighbor up/down and reset reason\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES);
  return CMD_SUCCESS;
}

/* "bgp bestpath med" configuration. */
DEFUN (bgp_bestpath_med,
       bgp_bestpath_med_cmd,
       "bgp bestpath med (confed|missing-as-worst)",
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "MED attribute\n"
       "Compare MED among confederation paths\n"
       "Treat missing MED as the least preferred one\n")
{
  struct bgp *bgp;
  
  bgp = vty->index;

  if (strncmp (argv[0], "confed", 1) == 0)
    bgp_flag_set (bgp, BGP_FLAG_MED_CONFED);
  else
    bgp_flag_set (bgp, BGP_FLAG_MED_MISSING_AS_WORST);

  return CMD_SUCCESS;
}

DEFUN (bgp_bestpath_med2,
       bgp_bestpath_med2_cmd,
       "bgp bestpath med confed missing-as-worst",
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "MED attribute\n"
       "Compare MED among confederation paths\n"
       "Treat missing MED as the least preferred one\n")
{
  struct bgp *bgp;
  
  bgp = vty->index;
  bgp_flag_set (bgp, BGP_FLAG_MED_CONFED);
  bgp_flag_set (bgp, BGP_FLAG_MED_MISSING_AS_WORST);
  return CMD_SUCCESS;
}

ALIAS (bgp_bestpath_med2,
       bgp_bestpath_med3_cmd,
       "bgp bestpath med missing-as-worst confed",
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "MED attribute\n"
       "Treat missing MED as the least preferred one\n"
       "Compare MED among confederation paths\n");

DEFUN (no_bgp_bestpath_med,
       no_bgp_bestpath_med_cmd,
       "no bgp bestpath med (confed|missing-as-worst)",
       NO_STR
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "MED attribute\n"
       "Compare MED among confederation paths\n"
       "Treat missing MED as the least preferred one\n")
{
  struct bgp *bgp;

  bgp = vty->index;
  
  if (strncmp (argv[0], "confed", 1) == 0)
    bgp_flag_unset (bgp, BGP_FLAG_MED_CONFED);
  else
    bgp_flag_unset (bgp, BGP_FLAG_MED_MISSING_AS_WORST);

  return CMD_SUCCESS;
}

DEFUN (no_bgp_bestpath_med2,
       no_bgp_bestpath_med2_cmd,
       "no bgp bestpath med confed missing-as-worst",
       NO_STR
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "MED attribute\n"
       "Compare MED among confederation paths\n"
       "Treat missing MED as the least preferred one\n")
{
  struct bgp *bgp;
  
  bgp = vty->index;
  bgp_flag_unset (bgp, BGP_FLAG_MED_CONFED);
  bgp_flag_unset (bgp, BGP_FLAG_MED_MISSING_AS_WORST);
  return CMD_SUCCESS;
}

ALIAS (no_bgp_bestpath_med2,
       no_bgp_bestpath_med3_cmd,
       "no bgp bestpath med missing-as-worst confed",
       NO_STR
       "BGP specific commands\n"
       "Change the default bestpath selection\n"
       "MED attribute\n"
       "Treat missing MED as the least preferred one\n"
       "Compare MED among confederation paths\n");