diff options
Diffstat (limited to 'bgpd')
| -rw-r--r-- | bgpd/ChangeLog | 5 | ||||
| -rw-r--r-- | bgpd/bgp_filter.c | 4 | ||||
| -rw-r--r-- | bgpd/bgp_fsm.c | 30 | ||||
| -rw-r--r-- | bgpd/bgp_fsm.h | 1 | ||||
| -rw-r--r-- | bgpd/bgp_nexthop.c | 10 | ||||
| -rw-r--r-- | bgpd/bgp_packet.c | 22 | ||||
| -rw-r--r-- | bgpd/bgp_route.c | 86 | ||||
| -rw-r--r-- | bgpd/bgp_route.h | 2 | ||||
| -rw-r--r-- | bgpd/bgp_vty.c | 91 | ||||
| -rw-r--r-- | bgpd/bgpd.c | 270 | ||||
| -rw-r--r-- | bgpd/bgpd.h | 31 |
11 files changed, 424 insertions, 128 deletions
diff --git a/bgpd/ChangeLog b/bgpd/ChangeLog index 98bf90ce..cdcd83b9 100644 --- a/bgpd/ChangeLog +++ b/bgpd/ChangeLog @@ -1,3 +1,8 @@ +2005-05-20 Kunihiro Ishiguro <kunihiro@ipinfusion.com> + + * *: Maximum prefix threshold support. + * *: Reset notification fixups. + 2004-05-08 Paul Jakma <paul@dishone.st> * bgp_zebra.c: (bgp_interface_address_add) sync to zclient changes diff --git a/bgpd/bgp_filter.c b/bgpd/bgp_filter.c index 0a120a76..7a8fb039 100644 --- a/bgpd/bgp_filter.c +++ b/bgpd/bgp_filter.c @@ -607,6 +607,10 @@ DEFUN (no_ip_as_path_all, as_list_delete (aslist); + /* Run hook function. */ + if (as_list_master.delete_hook) + (*as_list_master.delete_hook) (); + return CMD_SUCCESS; } diff --git a/bgpd/bgp_fsm.c b/bgpd/bgp_fsm.c index 5c8224c6..d28cd934 100644 --- a/bgpd/bgp_fsm.c +++ b/bgpd/bgp_fsm.c @@ -307,6 +307,33 @@ bgp_uptime_reset (struct peer *peer) peer->uptime = time (NULL); } +/* BGP Peer Down Cause */ +char *peer_down_str[] = +{ + "", + "Router ID changed", + "Remote AS changed", + "Local AS change", + "Cluster ID changed", + "Confederation identifier changed", + "Confederation peer changed", + "RR client config change", + "RS client config change", + "Update source change", + "Address family activated", + "Admin. shutdown", + "User reset", + "BGP Notification received", + "BGP Notification send", + "Peer closed the session", + "Neighbor deleted", + "Peer-group add member", + "Peer-group delete member", + "Capability changed", + "Passive config change", + "Multihop config change" +}; + /* Administrative BGP peer stop event. */ int bgp_stop (struct peer *peer) @@ -325,7 +352,8 @@ bgp_stop (struct peer *peer) /* bgp log-neighbor-changes of neighbor Down */ if (bgp_flag_check (peer->bgp, BGP_FLAG_LOG_NEIGHBOR_CHANGES)) - zlog_info ("%%ADJCHANGE: neighbor %s Down", peer->host); + zlog_info ("%%ADJCHANGE: neighbor %s Down %s", peer->host, + peer_down_str [(int) peer->last_reset]); /* set last reset time */ peer->resettime = time (NULL); diff --git a/bgpd/bgp_fsm.h b/bgpd/bgp_fsm.h index f051aaa7..ce816e23 100644 --- a/bgpd/bgp_fsm.h +++ b/bgpd/bgp_fsm.h @@ -40,3 +40,4 @@ int bgp_event (struct thread *); int bgp_stop (struct peer *peer); void bgp_timer_set (struct peer *); void bgp_fsm_change_status (struct peer *peer, int status); +extern char *peer_down_str[]; diff --git a/bgpd/bgp_nexthop.c b/bgpd/bgp_nexthop.c index 4f43b9d1..e94ecf25 100644 --- a/bgpd/bgp_nexthop.c +++ b/bgpd/bgp_nexthop.c @@ -451,11 +451,11 @@ bgp_scan_ipv4 () continue; if (peer->afc[AFI_IP][SAFI_UNICAST]) - bgp_maximum_prefix_overflow (peer, AFI_IP, SAFI_UNICAST); + bgp_maximum_prefix_overflow (peer, AFI_IP, SAFI_UNICAST, 1); if (peer->afc[AFI_IP][SAFI_MULTICAST]) - bgp_maximum_prefix_overflow (peer, AFI_IP, SAFI_MULTICAST); + bgp_maximum_prefix_overflow (peer, AFI_IP, SAFI_MULTICAST, 1); if (peer->afc[AFI_IP][SAFI_MPLS_VPN]) - bgp_maximum_prefix_overflow (peer, AFI_IP, SAFI_MPLS_VPN); + bgp_maximum_prefix_overflow (peer, AFI_IP, SAFI_MPLS_VPN, 1); } for (rn = bgp_table_top (bgp->rib[AFI_IP][SAFI_UNICAST]); rn; @@ -550,9 +550,9 @@ bgp_scan_ipv6 () continue; if (peer->afc[AFI_IP6][SAFI_UNICAST]) - bgp_maximum_prefix_overflow (peer, AFI_IP6, SAFI_UNICAST); + bgp_maximum_prefix_overflow (peer, AFI_IP6, SAFI_UNICAST, 1); if (peer->afc[AFI_IP6][SAFI_MULTICAST]) - bgp_maximum_prefix_overflow (peer, AFI_IP6, SAFI_MULTICAST); + bgp_maximum_prefix_overflow (peer, AFI_IP6, SAFI_MULTICAST, 1); } for (rn = bgp_table_top (bgp->rib[AFI_IP6][SAFI_UNICAST]); rn; diff --git a/bgpd/bgp_packet.c b/bgpd/bgp_packet.c index 48879f35..9995c02c 100644 --- a/bgpd/bgp_packet.c +++ b/bgpd/bgp_packet.c @@ -849,6 +849,17 @@ bgp_notify_send_with_data (struct peer *peer, u_char code, u_char sub_code, zlog_info ("%s send message type %d, length (incl. header) %d", peer->host, BGP_MSG_NOTIFY, length); + /* peer reset cause */ + if (sub_code != BGP_NOTIFY_CEASE_CONFIG_CHANGE) + { + if (sub_code == BGP_NOTIFY_CEASE_ADMIN_RESET) + peer->last_reset = PEER_DOWN_USER_RESET; + else if (sub_code == BGP_NOTIFY_CEASE_ADMIN_SHUTDOWN) + peer->last_reset = PEER_DOWN_USER_SHUTDOWN; + else + peer->last_reset = PEER_DOWN_NOTIFY_SEND; + } + /* Call imidiately. */ BGP_WRITE_OFF (peer->t_write); @@ -1094,7 +1105,7 @@ bgp_collision_detect (struct peer *new, struct in_addr remote_id) connection initiated by the remote system. */ if (peer->fd >= 0) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, 0); + bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_COLLISION_RESOLUTION); return 1; } else @@ -1106,7 +1117,7 @@ bgp_collision_detect (struct peer *new, struct in_addr remote_id) OpenConfirm state). */ if (new->fd >= 0) - bgp_notify_send (new, BGP_NOTIFY_CEASE, 0); + bgp_notify_send (peer, BGP_NOTIFY_CEASE, BGP_NOTIFY_CEASE_COLLISION_RESOLUTION); return -1; } } @@ -1643,6 +1654,9 @@ bgp_notify_receive (struct peer *peer, bgp_size_t size) /* peer count update */ peer->notify_in++; + if (peer->status == Established) + peer->last_reset = PEER_DOWN_NOTIFY_RECEIVED; + /* We have to check for Notify with Unsupported Optional Parameter. in that case we fallback to open without the capability option. But this done in bgp_stop. We just mark it here to avoid changing @@ -2051,6 +2065,10 @@ bgp_read_packet (struct peer *peer) if (BGP_DEBUG (events, EVENTS)) plog_info (peer->log, "%s [Event] BGP connection closed fd %d", peer->host, peer->fd); + + if (peer->status == Established) + peer->last_reset = PEER_DOWN_CLOSE_SESSION; + BGP_EVENT_ADD (peer, TCP_connection_closed); return -1; } diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c index 97636eff..b8af869b 100644 --- a/bgpd/bgp_route.c +++ b/bgpd/bgp_route.c @@ -875,38 +875,61 @@ bgp_process (struct bgp *bgp, struct bgp_node *rn, afi_t afi, safi_t safi) } int -bgp_maximum_prefix_overflow (struct peer *peer, afi_t afi, safi_t safi) +bgp_maximum_prefix_overflow (struct peer *peer, afi_t afi, safi_t safi, int always) { - if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) + if (!CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) + return 0; + + if (peer->pcount[afi][safi] > peer->pmax[afi][safi]) { - if (peer->pcount[afi][safi] > peer->pmax[afi][safi]) - { - zlog (peer->log, LOG_INFO, - "MAXPFXEXCEED: No. of prefix received from %s (afi %d): %ld exceed limit %ld", peer->host, afi, peer->pcount[afi][safi], peer->pmax[afi][safi]); - if (! CHECK_FLAG (peer->af_flags[afi][safi], - PEER_FLAG_MAX_PREFIX_WARNING)) - { - char ndata[7]; - - ndata[0] = (u_char)(afi >> 8); - ndata[1] = (u_char) afi; - ndata[3] = (u_char)(peer->pmax[afi][safi] >> 24); - ndata[4] = (u_char)(peer->pmax[afi][safi] >> 16); - ndata[5] = (u_char)(peer->pmax[afi][safi] >> 8); - ndata[6] = (u_char)(peer->pmax[afi][safi]); - - if (safi == SAFI_MPLS_VPN) - safi = BGP_SAFI_VPNV4; - ndata[2] = (u_char) safi; - - SET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); - bgp_notify_send_with_data (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_MAX_PREFIX, - ndata, 7); - return 1; - } - } + if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT) + && ! always) + return 0; + + zlog (peer->log, LOG_INFO, + "%%MAXPFXEXCEED: No. of prefix received from %s (afi %d): %ld exceed limit %ld", + peer->host, afi, peer->pcount[afi][safi], peer->pmax[afi][safi]); + SET_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT); + + if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) + return 0; + + { + char ndata[7]; + + ndata[0] = (u_char)(afi >> 8); + ndata[1] = (u_char) afi; + ndata[3] = (u_char)(peer->pmax[afi][safi] >> 24); + ndata[4] = (u_char)(peer->pmax[afi][safi] >> 16); + ndata[5] = (u_char)(peer->pmax[afi][safi] >> 8); + ndata[6] = (u_char)(peer->pmax[afi][safi]); + + if (safi == SAFI_MPLS_VPN) + safi = BGP_SAFI_VPNV4; + ndata[2] = (u_char) safi; + + SET_FLAG (peer->sflags, PEER_STATUS_PREFIX_OVERFLOW); + bgp_notify_send_with_data (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_MAX_PREFIX, ndata, 7); + } + return 1; } + else + UNSET_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_LIMIT); + + if (peer->pcount[afi][safi] > (peer->pmax[afi][safi] * peer->pmax_threshold[afi][safi] / 100)) + { + if (CHECK_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_THRESHOLD) + && ! always) + return 0; + + zlog (peer->log, LOG_INFO, + "%%MAXPFX: No. of prefix received from %s (afi %d) reaches %ld, max %ld", + peer->host, afi, peer->pcount[afi][safi], peer->pmax[afi][safi]); + SET_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_THRESHOLD); + } + else + UNSET_FLAG (peer->af_sflags[afi][safi], PEER_STATUS_PREFIX_THRESHOLD); return 0; } @@ -1232,9 +1255,8 @@ bgp_update (struct peer *peer, struct prefix *p, struct attr *attr, /* If maximum prefix count is configured and current prefix count exeed it. */ - if (! CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) - if (bgp_maximum_prefix_overflow (peer, afi, safi)) - return -1; + if (bgp_maximum_prefix_overflow (peer, afi, safi, 0)) + return -1; /* Process change. */ bgp_process (bgp, rn, afi, safi); diff --git a/bgpd/bgp_route.h b/bgpd/bgp_route.h index fd97617a..273ed41a 100644 --- a/bgpd/bgp_route.h +++ b/bgpd/bgp_route.h @@ -131,7 +131,7 @@ void bgp_clear_adj_in (struct peer *, afi_t, safi_t); int bgp_nlri_sanity_check (struct peer *, int, u_char *, bgp_size_t); int bgp_nlri_parse (struct peer *, struct attr *, struct bgp_nlri *); -int bgp_maximum_prefix_overflow (struct peer *, afi_t, safi_t); +int bgp_maximum_prefix_overflow (struct peer *, afi_t, safi_t, int); void bgp_redistribute_add (struct prefix *, struct in_addr *, u_int32_t, u_char); void bgp_redistribute_delete (struct prefix *, u_char); diff --git a/bgpd/bgp_vty.c b/bgpd/bgp_vty.c index c4735f14..dda40293 100644 --- a/bgpd/bgp_vty.c +++ b/bgpd/bgp_vty.c @@ -34,6 +34,7 @@ Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA #include "bgpd/bgp_aspath.h" #include "bgpd/bgp_community.h" #include "bgpd/bgp_debug.h" +#include "bgpd/bgp_fsm.h" #include "bgpd/bgp_mplsvpn.h" #include "bgpd/bgp_open.h" #include "bgpd/bgp_route.h" @@ -3367,19 +3368,25 @@ DEFUN (no_neighbor_unsuppress_map, int peer_maximum_prefix_set_vty (struct vty *vty, char *ip_str, afi_t afi, - safi_t safi, char *num_str, int warning) + safi_t safi, char *num_str, char *threshold_str, + int warning) { int ret; struct peer *peer; u_int32_t max; + u_char threshold; peer = peer_and_group_lookup_vty (vty, ip_str); if (! peer) return CMD_WARNING; VTY_GET_INTEGER ("maxmum number", max, num_str); + if (threshold_str) + threshold = atoi (threshold_str); + else + threshold = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; - ret = peer_maximum_prefix_set (peer, afi, safi, max, warning); + ret = peer_maximum_prefix_set (peer, afi, safi, max, threshold, warning); return bgp_vty_return (vty, ret); } @@ -3412,9 +3419,22 @@ DEFUN (neighbor_maximum_prefix, "maximum no. of prefix limit\n") { return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty), - bgp_node_safi (vty), argv[1], 0); + bgp_node_safi (vty), argv[1], NULL, 0); } +DEFUN (neighbor_maximum_prefix_threshold, + neighbor_maximum_prefix_threshold_cmd, + NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> <1-100>", + NEIGHBOR_STR + NEIGHBOR_ADDR_STR2 + "Maximum number of prefix accept from this peer\n" + "maximum no. of prefix limit\n" + "Threshold value (%) at which to generate a warning msg\n") +{ + return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty), + bgp_node_safi (vty), argv[1], argv[2], 0); + } + DEFUN (neighbor_maximum_prefix_warning, neighbor_maximum_prefix_warning_cmd, NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> warning-only", @@ -3425,9 +3445,23 @@ DEFUN (neighbor_maximum_prefix_warning, "Only give warning message when limit is exceeded\n") { return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty), - bgp_node_safi (vty), argv[1], 1); + bgp_node_safi (vty), argv[1], NULL, 1); } +DEFUN (neighbor_maximum_prefix_threshold_warning, + neighbor_maximum_prefix_threshold_warning_cmd, + NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> <1-100> warning-only", + NEIGHBOR_STR + NEIGHBOR_ADDR_STR2 + "Maximum number of prefix accept from this peer\n" + "maximum no. of prefix limit\n" + "Threshold value (%) at which to generate a warning msg\n" + "Only give warning message when limit is exceeded\n") +{ + return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty), + bgp_node_safi (vty), argv[1], argv[2], 1); + } + DEFUN (no_neighbor_maximum_prefix, no_neighbor_maximum_prefix_cmd, NO_NEIGHBOR_CMD2 "maximum-prefix", @@ -3451,6 +3485,17 @@ ALIAS (no_neighbor_maximum_prefix, ALIAS (no_neighbor_maximum_prefix, no_neighbor_maximum_prefix_val2_cmd, + NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> <1-100> warning-only", + NO_STR + NEIGHBOR_STR + NEIGHBOR_ADDR_STR2 + "Maximum number of prefix accept from this peer\n" + "maximum no. of prefix limit\n" + "Threshold value (%) at which to generate a warning msg\n" + "Only give warning message when limit is exceeded\n") + +ALIAS (no_neighbor_maximum_prefix, + no_neighbor_maximum_prefix_val3_cmd, NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> warning-only", NO_STR NEIGHBOR_STR @@ -6419,17 +6464,17 @@ bgp_show_peer_afi (struct vty *vty, struct peer *p, afi_t afi, safi_t safi) filter->usmap.name, VTY_NEWLINE); /* Receive prefix count */ - vty_out (vty, " %ld accepted prefixes", - p->pcount[afi][safi]); + vty_out (vty, " %ld accepted prefixes%s", p->pcount[afi][safi], VTY_NEWLINE); + /* Maximum prefix */ if (CHECK_FLAG (p->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) { - vty_out (vty, ", maximum limit %ld%s", - p->pmax[afi][safi], + vty_out (vty, " maximum limit %ld%s%s", p->pmax[afi][safi], CHECK_FLAG (p->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) - ? " (warning-only)" : ""); + ? " (warning-only)" : "", VTY_NEWLINE); + vty_out (vty, " Threshold for warning message %d%%%s", p->pmax_threshold [afi][safi], + VTY_NEWLINE); } - vty_out (vty, "%s", VTY_NEWLINE); vty_out (vty, "%s", VTY_NEWLINE); } @@ -6476,7 +6521,8 @@ bgp_show_peer (struct vty *vty, struct peer *p) VTY_NEWLINE); /* Confederation */ - if (bgp_confederation_peers_check (bgp, p->as)) + if (CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION) + && bgp_confederation_peers_check (bgp, p->as)) vty_out (vty, " Neighbor under common administration%s", VTY_NEWLINE); /* Status. */ @@ -6688,8 +6734,12 @@ bgp_show_peer (struct vty *vty, struct peer *p) p->established, p->dropped, VTY_NEWLINE); - vty_out (vty, " Last reset %s%s", p->dropped ? peer_uptime (p->resettime, timebuf, BGP_UPTIME_LEN) : "never", - VTY_NEWLINE); + if (! p->dropped) + vty_out (vty, " Last reset never%s", VTY_NEWLINE); + else + vty_out (vty, " Last reset %s, due to %s%s", + peer_uptime (p->resettime, timebuf, BGP_UPTIME_LEN), + peer_down_str[(int) p->last_reset], VTY_NEWLINE); if (CHECK_FLAG (p->sflags, PEER_STATUS_PREFIX_OVERFLOW)) { @@ -8254,30 +8304,45 @@ bgp_vty_init () /* "neighbor maximum-prefix" commands. */ install_element (BGP_NODE, &neighbor_maximum_prefix_cmd); + install_element (BGP_NODE, &neighbor_maximum_prefix_threshold_cmd); install_element (BGP_NODE, &neighbor_maximum_prefix_warning_cmd); + install_element (BGP_NODE, &neighbor_maximum_prefix_threshold_warning_cmd); install_element (BGP_NODE, &no_neighbor_maximum_prefix_cmd); install_element (BGP_NODE, &no_neighbor_maximum_prefix_val_cmd); install_element (BGP_NODE, &no_neighbor_maximum_prefix_val2_cmd); + install_element (BGP_NODE, &no_neighbor_maximum_prefix_val3_cmd); install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_cmd); + install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_threshold_cmd); install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_warning_cmd); + install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_threshold_warning_cmd); install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_cmd); install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_val_cmd); install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_val2_cmd); + install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_val3_cmd); install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_cmd); + install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_threshold_cmd); install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_warning_cmd); + install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_threshold_warning_cmd); install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_cmd); install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_val_cmd); install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_val2_cmd); + install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_val3_cmd); install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_cmd); + install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_threshold_cmd); install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_warning_cmd); + install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_threshold_warning_cmd); install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_cmd); install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_val_cmd); install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_val2_cmd); + install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_val3_cmd); install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_cmd); + install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_threshold_cmd); install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_warning_cmd); + install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_threshold_warning_cmd); install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_cmd); install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_val_cmd); install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_val2_cmd); + install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_val3_cmd); /* "neighbor allowas-in" */ install_element (BGP_NODE, &neighbor_allowas_in_cmd); diff --git a/bgpd/bgpd.c b/bgpd/bgpd.c index e9d81de1..510e2960 100644 --- a/bgpd/bgpd.c +++ b/bgpd/bgpd.c @@ -173,8 +173,11 @@ bgp_router_id_set (struct bgp *bgp, struct in_addr *id) IPV4_ADDR_COPY (&peer->local_id, id); if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_RID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } return 0; } @@ -205,8 +208,11 @@ bgp_router_id_unset (struct bgp *bgp) LIST_LOOP (bgp->peer, peer, nn) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_RID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } return 0; @@ -233,8 +239,11 @@ bgp_cluster_id_set (struct bgp *bgp, struct in_addr *cluster_id) continue; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CLID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } return 0; } @@ -258,8 +267,11 @@ bgp_cluster_id_unset (struct bgp *bgp) continue; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CLID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } return 0; } @@ -313,8 +325,12 @@ bgp_confederation_id_set (struct bgp *bgp, as_t as) { peer->local_as = as; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } + else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -329,8 +345,11 @@ bgp_confederation_id_set (struct bgp *bgp, as_t as) if (peer_sort (peer) == BGP_PEER_EBGP) peer->local_as = as; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -355,8 +374,12 @@ bgp_confederation_id_unset (struct bgp *bgp) { peer->local_as = bgp->as; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CONFED_ID_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } + else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -415,8 +438,11 @@ bgp_confederation_peers_add (struct bgp *bgp, as_t as) { peer->local_as = bgp->as; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -468,8 +494,11 @@ bgp_confederation_peers_remove (struct bgp *bgp, as_t as) { peer->local_as = bgp->confed_id; if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_CONFED_PEER_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -587,6 +616,7 @@ peer_af_flag_reset (struct peer *peer, afi_t afi, safi_t safi) /* Clear neighbor maximum-prefix */ peer->pmax[afi][safi] = 0; + peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; } /* peer global config reset */ @@ -792,8 +822,11 @@ peer_as_change (struct peer *peer, as_t as) if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_REMOTE_AS_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -948,8 +981,11 @@ peer_activate (struct peer *peer, afi_t afi, safi_t safi) } } else - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_AF_ACTIVATE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } } } @@ -1004,12 +1040,18 @@ peer_deactivate (struct peer *peer, afi_t afi, safi_t safi) peer->pcount[afi][safi] = 0; } else - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } else - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } } return 0; @@ -1038,6 +1080,7 @@ peer_delete (struct peer *peer) /* Withdraw all information from routing table. We can not use BGP_EVENT_ADD (peer, BGP_Stop) at here. Because the event is executed after peer structure is deleted. */ + peer->last_reset = PEER_DOWN_NEIGHBOR_DELETE; bgp_stop (peer); bgp_fsm_change_status (peer, Idle); @@ -1254,6 +1297,7 @@ peer_group2peer_config_copy (struct peer_group *group, struct peer *peer, /* maximum-prefix */ peer->pmax[afi][safi] = conf->pmax[afi][safi]; + peer->pmax_threshold[afi][safi] = conf->pmax_threshold[afi][safi]; /* allowas-in */ peer->allowas_in[afi][safi] = conf->allowas_in[afi][safi]; @@ -1562,8 +1606,11 @@ peer_group_bind (struct bgp *bgp, union sockunion *su, peer_group2peer_config_copy (group, peer, afi, safi); if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_RMAP_BIND; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); @@ -1597,8 +1644,11 @@ peer_group_unbind (struct bgp *bgp, struct peer *peer, } if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_RMAP_UNBIND; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); @@ -1924,6 +1974,9 @@ struct peer_flag_action /* Action when the flag is changed. */ enum peer_change_type type; + + /* Peer down cause */ + u_char peer_down; }; struct peer_flag_action peer_flag_action_list[] = @@ -2042,8 +2095,19 @@ peer_flag_modify_action (struct peer *peer, u_int32_t flag) CAPABILITY_ACTION_UNSET : CAPABILITY_ACTION_SET); } else - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + if (flag == PEER_FLAG_NO_ROUTE_REFRESH_CAP) + peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; + else if (flag == PEER_FLAG_DYNAMIC_CAPABILITY) + peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; + else if (flag == PEER_FLAG_PASSIVE) + peer->last_reset = PEER_DOWN_PASSIVE_CHANGE; + else if (flag == PEER_FLAG_ENFORCE_MULTIHOP) + peer->last_reset = PEER_DOWN_MULTIHOP_CHANGE; + + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } } else BGP_EVENT_ADD (peer, BGP_Stop); @@ -2216,7 +2280,19 @@ peer_af_flag_modify (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag, if (! set && flag == PEER_FLAG_SOFT_RECONFIG) bgp_clear_adj_in (peer, afi, safi); else - peer_change_action (peer, afi, safi, action.type); + { + if (flag == PEER_FLAG_REFLECTOR_CLIENT) + peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; + else if (flag == PEER_FLAG_RSERVER_CLIENT) + peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; + else if (flag == PEER_FLAG_ORF_PREFIX_SM) + peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; + else if (flag == PEER_FLAG_ORF_PREFIX_RM) + peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; + + peer_change_action (peer, afi, safi, action.type); + } + } /* Peer group member updates. */ @@ -2245,7 +2321,18 @@ peer_af_flag_modify (struct peer *peer, afi_t afi, safi_t safi, u_int32_t flag, if (! set && flag == PEER_FLAG_SOFT_RECONFIG) bgp_clear_adj_in (peer, afi, safi); else - peer_change_action (peer, afi, safi, action.type); + { + if (flag == PEER_FLAG_REFLECTOR_CLIENT) + peer->last_reset = PEER_DOWN_RR_CLIENT_CHANGE; + else if (flag == PEER_FLAG_RSERVER_CLIENT) + peer->last_reset = PEER_DOWN_RS_CLIENT_CHANGE; + else if (flag == PEER_FLAG_ORF_PREFIX_SM) + peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; + else if (flag == PEER_FLAG_ORF_PREFIX_RM) + peer->last_reset = PEER_DOWN_CAPABILITY_CHANGE; + + peer_change_action (peer, afi, safi, action.type); + } } } } @@ -2385,8 +2472,11 @@ peer_update_source_if_set (struct peer *peer, char *ifname) if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); return 0; @@ -2414,8 +2504,11 @@ peer_update_source_if_set (struct peer *peer, char *ifname) peer->update_if = XSTRDUP (MTYPE_PEER_UPDATE_SOURCE, ifname); if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -2448,8 +2541,11 @@ peer_update_source_addr_set (struct peer *peer, union sockunion *su) if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); return 0; @@ -2476,8 +2572,11 @@ peer_update_source_addr_set (struct peer *peer, union sockunion *su) peer->update_source = sockunion_dup (su); if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -2524,8 +2623,11 @@ peer_update_source_unset (struct peer *peer) if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); return 0; @@ -2551,8 +2653,11 @@ peer_update_source_unset (struct peer *peer) } if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_UPDATE_SOURCE_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -2995,8 +3100,11 @@ peer_local_as_set (struct peer *peer, as_t as, int no_prepend) if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); @@ -3013,8 +3121,11 @@ peer_local_as_set (struct peer *peer, as_t as, int no_prepend) UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -3040,8 +3151,11 @@ peer_local_as_unset (struct peer *peer) if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) { if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); @@ -3055,8 +3169,11 @@ peer_local_as_unset (struct peer *peer) UNSET_FLAG (peer->flags, PEER_FLAG_LOCAL_AS_NO_PREPEND); if (peer->status == Established) - bgp_notify_send (peer, BGP_NOTIFY_CEASE, - BGP_NOTIFY_CEASE_CONFIG_CHANGE); + { + peer->last_reset = PEER_DOWN_LOCAL_AS_CHANGE; + bgp_notify_send (peer, BGP_NOTIFY_CEASE, + BGP_NOTIFY_CEASE_CONFIG_CHANGE); + } else BGP_EVENT_ADD (peer, BGP_Stop); } @@ -3720,7 +3837,7 @@ peer_unsuppress_map_unset (struct peer *peer, afi_t afi, safi_t safi) int peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, - u_int32_t max, int warning) + u_int32_t max, u_char threshold, int warning) { struct peer_group *group; struct listnode *nn; @@ -3730,6 +3847,7 @@ peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); peer->pmax[afi][safi] = max; + peer->pmax_threshold[afi][safi] = threshold; if (warning) SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); else @@ -3746,6 +3864,7 @@ peer_maximum_prefix_set (struct peer *peer, afi_t afi, safi_t safi, SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); peer->pmax[afi][safi] = max; + peer->pmax_threshold[afi][safi] = threshold; if (warning) SET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); else @@ -3779,12 +3898,14 @@ peer_maximum_prefix_unset (struct peer *peer, afi_t afi, safi_t safi) UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); peer->pmax[afi][safi] = peer->group->conf->pmax[afi][safi]; + peer->pmax_threshold[afi][safi] = peer->group->conf->pmax_threshold[afi][safi]; return 0; } UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); peer->pmax[afi][safi] = 0; + peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; if (! CHECK_FLAG (peer->sflags, PEER_STATUS_GROUP)) return 0; @@ -3798,6 +3919,7 @@ peer_maximum_prefix_unset (struct peer *peer, afi_t afi, safi_t safi) UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX); UNSET_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING); peer->pmax[afi][safi] = 0; + peer->pmax_threshold[afi][safi] = MAXIMUM_PREFIX_THRESHOLD_DEFAULT; } return 0; } @@ -4266,12 +4388,17 @@ bgp_config_write_peer (struct vty *vty, struct bgp *bgp, if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX)) if (! peer->af_group[afi][safi] || g_peer->pmax[afi][safi] != peer->pmax[afi][safi] + || g_peer->pmax_threshold[afi][safi] != peer->pmax_threshold[afi][safi] || CHECK_FLAG (g_peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) != CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) - vty_out (vty, " neighbor %s maximum-prefix %ld%s%s", - addr, peer->pmax[afi][safi], - CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING) - ? " warning-only" : "", VTY_NEWLINE); + { + vty_out (vty, " neighbor %s maximum-prefix %ld", addr, peer->pmax[afi][safi]); + if (peer->pmax_threshold[afi][safi] != MAXIMUM_PREFIX_THRESHOLD_DEFAULT) + vty_out (vty, " %d", peer->pmax_threshold[afi][safi]); + if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)) + vty_out (vty, " warning-only"); + vty_out (vty, "%s", VTY_NEWLINE); + } /* Route server client. */ if (CHECK_FLAG (peer->af_flags[afi][safi], PEER_FLAG_RSERVER_CLIENT) @@ -4460,25 +4587,22 @@ bgp_config_write (struct vty *vty) vty_out (vty, " bgp cluster-id %s%s", inet_ntoa (bgp->cluster_id), VTY_NEWLINE); - /* Confederation Information */ + /* Confederation identifier*/ if (CHECK_FLAG (bgp->config, BGP_CONFIG_CONFEDERATION)) + vty_out (vty, " bgp confederation identifier %i%s", bgp->confed_id, + VTY_NEWLINE); + + /* Confederation peer */ + if (bgp->confed_peers_cnt > 0) { - vty_out (vty, " bgp confederation identifier %i%s", bgp->confed_id, - VTY_NEWLINE); - if (bgp->confed_peers_cnt > 0) - { - int i; + int i; - vty_out (vty, " bgp confederation peers"); + vty_out (vty, " bgp confederation peers"); - for (i = 0; i < bgp->confed_peers_cnt; i++) - { - vty_out(vty, " "); - vty_out(vty, "%d", bgp->confed_peers[i]); - } + for (i = 0; i < bgp->confed_peers_cnt; i++) + vty_out(vty, " %d", bgp->confed_peers[i]); - vty_out (vty, "%s", VTY_NEWLINE); - } + vty_out (vty, "%s", VTY_NEWLINE); } /* BGP enforce-first-as. */ diff --git a/bgpd/bgpd.h b/bgpd/bgpd.h index b10e6b67..b40a68c8 100644 --- a/bgpd/bgpd.h +++ b/bgpd/bgpd.h @@ -352,6 +352,9 @@ struct peer #define PEER_STATUS_ORF_PREFIX_SEND (1 << 0) /* prefix-list send peer */ #define PEER_STATUS_ORF_WAIT_REFRESH (1 << 1) /* wait refresh received peer */ #define PEER_STATUS_DEFAULT_ORIGINATE (1 << 2) /* default-originate peer */ +#define PEER_STATUS_PREFIX_THRESHOLD (1 << 3) /* exceed prefix-threshold */ +#define PEER_STATUS_PREFIX_LIMIT (1 << 4) /* exceed prefix-limit */ + /* Default attribute value for the peer. */ u_int32_t config; @@ -429,10 +432,36 @@ struct peer /* Max prefix count. */ unsigned long pmax[AFI_MAX][SAFI_MAX]; + u_char pmax_threshold[AFI_MAX][SAFI_MAX]; +#define MAXIMUM_PREFIX_THRESHOLD_DEFAULT 75 /* allowas-in. */ char allowas_in[AFI_MAX][SAFI_MAX]; + /* peer reset cause */ + char last_reset; +#define PEER_DOWN_RID_CHANGE 1 /* bgp router-id command */ +#define PEER_DOWN_REMOTE_AS_CHANGE 2 /* neighbor remote-as command */ +#define PEER_DOWN_LOCAL_AS_CHANGE 3 /* neighbor local-as command */ +#define PEER_DOWN_CLID_CHANGE 4 /* bgp cluster-id command */ +#define PEER_DOWN_CONFED_ID_CHANGE 5 /* bgp confederation identifier command */ +#define PEER_DOWN_CONFED_PEER_CHANGE 6 /* bgp confederation peer command */ +#define PEER_DOWN_RR_CLIENT_CHANGE 7 /* neighbor route-reflector-client command */ +#define PEER_DOWN_RS_CLIENT_CHANGE 8 /* neighbor route-server-client command */ +#define PEER_DOWN_UPDATE_SOURCE_CHANGE 9 /* neighbor update-source command */ +#define PEER_DOWN_AF_ACTIVATE 10 /* neighbor activate command */ +#define PEER_DOWN_USER_SHUTDOWN 11 /* neighbor shutdown command */ +#define PEER_DOWN_USER_RESET 12 /* clear ip bgp command */ +#define PEER_DOWN_NOTIFY_RECEIVED 13 /* notification received */ +#define PEER_DOWN_NOTIFY_SEND 14 /* notification send */ +#define PEER_DOWN_CLOSE_SESSION 15 /* tcp session close */ +#define PEER_DOWN_NEIGHBOR_DELETE 16 /* neghbor delete */ +#define PEER_DOWN_RMAP_BIND 17 /* neghbor peer-group command */ +#define PEER_DOWN_RMAP_UNBIND 18 /* no neighbor peer-group command */ +#define PEER_DOWN_CAPABILITY_CHANGE 19 /* neighbor capability command */ +#define PEER_DOWN_PASSIVE_CHANGE 20 /* neighbor passive command */ +#define PEER_DOWN_MULTIHOP_CHANGE 21 /* neighbor multihop command */ + /* The kind of route-map Flags.*/ u_char rmap_type; #define PEER_RMAP_TYPE_IN (1 << 0) /* neighbor route-map in */ @@ -830,7 +859,7 @@ int peer_route_map_unset (struct peer *, afi_t, safi_t, int); int peer_unsuppress_map_set (struct peer *, afi_t, safi_t, char *); int peer_unsuppress_map_unset (struct peer *, afi_t, safi_t); -int peer_maximum_prefix_set (struct peer *, afi_t, safi_t, u_int32_t, int); +int peer_maximum_prefix_set (struct peer *, afi_t, safi_t, u_int32_t, u_char, int); int peer_maximum_prefix_unset (struct peer *, afi_t, safi_t); int peer_clear (struct peer *); |