diff options
| -rw-r--r-- | bgpd/bgp_attr.c | 81 | ||||
| -rw-r--r-- | bgpd/bgp_attr.h | 6 | ||||
| -rw-r--r-- | bgpd/bgp_route.c | 551 | ||||
| -rw-r--r-- | bgpd/bgp_route.h | 3 | ||||
| -rw-r--r-- | bgpd/bgp_routemap.c | 121 | ||||
| -rw-r--r-- | doc/bgpd.texi | 23 | ||||
| -rw-r--r-- | doc/routemap.texi | 14 |
7 files changed, 199 insertions, 600 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index 9c97d6f0..e2b6054b 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -344,11 +344,10 @@ attrhash_key_make (void *p) MIX(attr->med); MIX(attr->local_pref); - if (attr->pathlimit.as) - { - MIX(attr->pathlimit.ttl); - MIX(attr->pathlimit.as); - } + key += attr->origin; + key += attr->nexthop.s_addr; + key += attr->med; + key += attr->local_pref; if (attr->extra) { @@ -394,9 +393,7 @@ attrhash_cmp (const void *p1, const void *p2) && attr1->aspath == attr2->aspath && attr1->community == attr2->community && attr1->med == attr2->med - && attr1->local_pref == attr2->local_pref - && attr1->pathlimit.ttl == attr2->pathlimit.ttl - && attr1->pathlimit.as == attr2->pathlimit.as) + && attr1->local_pref == attr2->local_pref) { const struct attr_extra *ae1 = attr1->extra; const struct attr_extra *ae2 = attr2->extra; @@ -683,43 +680,6 @@ bgp_attr_flush (struct attr *attr) } } -/* Parse AS_PATHLIMIT attribute in an UPDATE */ -static int -bgp_attr_aspathlimit (struct peer *peer, bgp_size_t length, - struct attr *attr, u_char flag, u_char *startp) -{ - bgp_size_t total; - - total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3); - - if (!CHECK_FLAG(flag, BGP_ATTR_FLAG_TRANS) - || !CHECK_FLAG(flag, BGP_ATTR_FLAG_OPTIONAL)) - { - zlog (peer->log, LOG_ERR, - "AS-Pathlimit attribute flag isn't transitive %d", flag); - bgp_notify_send_with_data (peer, - BGP_NOTIFY_UPDATE_ERR, - BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, - startp, total); - return -1; - } - - if (length != 5) - { - zlog (peer->log, LOG_ERR, - "AS-Pathlimit length, %u, is not 5", length); - bgp_notify_send_with_data (peer, - BGP_NOTIFY_UPDATE_ERR, - BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, - startp, total); - return -1; - } - - attr->pathlimit.ttl = stream_getc (BGP_INPUT(peer)); - attr->pathlimit.as = stream_getl (BGP_INPUT(peer)); - attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_AS_PATHLIMIT); - return 0; -} /* Get origin attribute of the update message. */ static int bgp_attr_origin (struct peer *peer, bgp_size_t length, @@ -1696,9 +1656,6 @@ bgp_attr_parse (struct peer *peer, struct attr *attr, bgp_size_t size, case BGP_ATTR_EXT_COMMUNITIES: ret = bgp_attr_ext_communities (peer, length, attr, flag); break; - case BGP_ATTR_AS_PATHLIMIT: - ret = bgp_attr_aspathlimit (peer, length, attr, flag, startp); - break; default: ret = bgp_attr_unknown (peer, attr, flag, type, length, startp); break; @@ -2253,24 +2210,6 @@ bgp_packet_attribute (struct bgp *bgp, struct peer *peer, stream_put_ipv4 (s, attr->extra->aggregator_addr.s_addr); } - /* AS-Pathlimit */ - if (attr->pathlimit.ttl) - { - u_int32_t as = attr->pathlimit.as; - - /* should already have been done in announce_check(), - * but just in case.. - */ - if (!as) - as = peer->local_as; - - stream_putc (s, BGP_ATTR_FLAG_OPTIONAL|BGP_ATTR_FLAG_TRANS); - stream_putc (s, BGP_ATTR_AS_PATHLIMIT); - stream_putc (s, 5); - stream_putc (s, attr->pathlimit.ttl); - stream_putl (s, as); - } - /* Unknown transit attribute. */ if (attr->extra && attr->extra->transit) stream_put (s, attr->extra->transit->val, attr->extra->transit->length); @@ -2482,16 +2421,6 @@ bgp_dump_routes_attr (struct stream *s, struct attr *attr, } #endif /* HAVE_IPV6 */ - /* AS-Pathlimit */ - if (attr->flag & ATTR_FLAG_BIT (BGP_ATTR_AS_PATHLIMIT)) - { - stream_putc (s, BGP_ATTR_FLAG_OPTIONAL|BGP_ATTR_FLAG_TRANS); - stream_putc (s, BGP_ATTR_AS_PATHLIMIT); - stream_putc (s, 5); - stream_putc (s, attr->pathlimit.ttl); - stream_putl (s, attr->pathlimit.as); - } - /* Return total size of attribute. */ len = stream_get_endp (s) - cp - 2; stream_putw_at (s, cp, len); diff --git a/bgpd/bgp_attr.h b/bgpd/bgp_attr.h index ed8753bd..af9dcf5e 100644 --- a/bgpd/bgp_attr.h +++ b/bgpd/bgp_attr.h @@ -110,12 +110,6 @@ struct attr u_int32_t med; u_int32_t local_pref; - /* AS-Pathlimit */ - struct { - u_int32_t as; - u_char ttl; - } pathlimit; - /* Path origin attribute */ u_char origin; }; diff --git a/bgpd/bgp_route.c b/bgpd/bgp_route.c index 39de4950..13ff63ca 100644 --- a/bgpd/bgp_route.c +++ b/bgpd/bgp_route.c @@ -910,19 +910,6 @@ bgp_announce_check (struct bgp_info *ri, struct peer *peer, struct prefix *p, } } - /* AS-Pathlimit check */ - if (ri->attr->pathlimit.ttl && peer_sort (peer) == BGP_PEER_EBGP) - /* Our ASN has not yet been pre-pended, that's done in packet_attribute - * on output. Hence the test here is for >=. - */ - if (aspath_count_hops (ri->attr->aspath) >= ri->attr->pathlimit.ttl) - { - if (BGP_DEBUG (filter, FILTER)) - zlog_info ("%s [Update:SEND] suppressed, AS-Pathlimit TTL %u exceeded", - peer->host, ri->attr->pathlimit.ttl); - return 0; - } - /* For modify attribute, copy it to temporary structure. */ bgp_attr_dup (attr, ri->attr); @@ -1027,39 +1014,6 @@ bgp_announce_check (struct bgp_info *ri, struct peer *peer, struct prefix *p, } #endif /* HAVE_IPV6 */ - /* AS-Pathlimit: Check ASN for private/confed */ - if (attr->pathlimit.ttl) - { - /* locally originated update */ - if (!attr->pathlimit.as) - attr->pathlimit.as = peer->local_as; - - /* if the AS_PATHLIMIT attribute is attached to a prefix by a - member of a confederation, then when the prefix is advertised outside - of the confederation boundary, then the AS number of the - confederation member inside of the AS_PATHLIMIT attribute should be - replaced by the confederation's AS number. */ - if (peer_sort (from) == BGP_PEER_CONFED - && peer_sort (peer) != BGP_PEER_CONFED) - attr->pathlimit.as = peer->local_as; - - /* Private ASN should be updated whenever announcement leaves - * private space. This is deliberately done after simple confed - * based update.. - */ - if (attr->pathlimit.as >= BGP_PRIVATE_AS_MIN - && attr->pathlimit.as <= BGP_PRIVATE_AS_MAX) - { - if (peer->local_as < BGP_PRIVATE_AS_MIN - || peer->local_as > BGP_PRIVATE_AS_MAX) - attr->pathlimit.as = peer->local_as; - /* Ours is private, try using theirs.. */ - else if (peer->as < BGP_PRIVATE_AS_MIN - || peer->local_as > BGP_PRIVATE_AS_MAX) - attr->pathlimit.as = peer->as; - } - } - /* If this is EBGP peer and remove-private-AS is set. */ if (peer_sort (peer) == BGP_PEER_EBGP && peer_af_flag_check (peer, afi, safi, PEER_FLAG_REMOVE_PRIVATE_AS) @@ -3238,14 +3192,6 @@ bgp_static_update_rsclient (struct peer *rsclient, struct prefix *p, attr.med = bgp_static->igpmetric; attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); - if (bgp_static->ttl) - { - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_AS_PATHLIMIT); - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE); - attr.pathlimit.as = 0; - attr.pathlimit.ttl = bgp_static->ttl; - } - if (bgp_static->atomic) attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE); @@ -3395,14 +3341,6 @@ bgp_static_update_main (struct bgp *bgp, struct prefix *p, attr.med = bgp_static->igpmetric; attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_MULTI_EXIT_DISC); - if (bgp_static->ttl) - { - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_AS_PATHLIMIT); - attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE); - attr.pathlimit.as = 0; - attr.pathlimit.ttl = bgp_static->ttl; - } - if (bgp_static->atomic) attr.flag |= ATTR_FLAG_BIT (BGP_ATTR_ATOMIC_AGGREGATE); @@ -3626,44 +3564,17 @@ bgp_static_withdraw_vpnv4 (struct bgp *bgp, struct prefix *p, afi_t afi, bgp_unlock_node (rn); } -static void -bgp_pathlimit_update_parents (struct bgp *bgp, struct bgp_node *rn, - int ttl_edge) -{ - struct bgp_node *parent = rn; - struct bgp_static *sp; - - /* Existing static changed TTL, search parents and adjust their atomic */ - while ((parent = parent->parent)) - if ((sp = parent->info)) - { - int sp_level = (sp->atomic ? 1 : 0); - ttl_edge ? sp->atomic++ : sp->atomic--; - - /* did we change state of parent whether atomic is set or not? */ - if (sp_level != (sp->atomic ? 1 : 0)) - { - bgp_static_update (bgp, &parent->p, sp, - rn->table->afi, rn->table->safi); - } - } -} - /* Configure static BGP network. When user don't run zebra, static route should be installed as valid. */ static int bgp_static_set (struct vty *vty, struct bgp *bgp, const char *ip_str, - afi_t afi, safi_t safi, const char *rmap, int backdoor, - u_char ttl) + afi_t afi, safi_t safi, const char *rmap, int backdoor) { int ret; struct prefix p; struct bgp_static *bgp_static; struct bgp_node *rn; u_char need_update = 0; - u_char ttl_change = 0; - u_char ttl_edge = (ttl ? 1 : 0); - u_char new = 0; /* Convert IP prefix string to struct prefix. */ ret = str2prefix (ip_str, &p); @@ -3692,21 +3603,10 @@ bgp_static_set (struct vty *vty, struct bgp *bgp, const char *ip_str, bgp_static = rn->info; /* Check previous routes are installed into BGP. */ - if (bgp_static->valid) - { - if (bgp_static->backdoor != backdoor - || bgp_static->ttl != ttl) - need_update = 1; - } + if (bgp_static->valid && bgp_static->backdoor != backdoor) + need_update = 1; - /* need to catch TTL set/unset transitions for handling of - * ATOMIC_AGGREGATE - */ - if ((bgp_static->ttl ? 1 : 0) != ttl_edge) - ttl_change = 1; - bgp_static->backdoor = backdoor; - bgp_static->ttl = ttl; if (rmap) { @@ -3733,9 +3633,6 @@ bgp_static_set (struct vty *vty, struct bgp *bgp, const char *ip_str, bgp_static->valid = 0; bgp_static->igpmetric = 0; bgp_static->igpnexthop.s_addr = 0; - bgp_static->ttl = ttl; - ttl_change = ttl_edge; - new = 1; if (rmap) { @@ -3747,39 +3644,6 @@ bgp_static_set (struct vty *vty, struct bgp *bgp, const char *ip_str, rn->info = bgp_static; } - /* ".. sites that choose to advertise the - * AS_PATHLIMIT path attribute SHOULD advertise the ATOMIC_AGGREGATE on - * all less specific covering prefixes as well as the more specific - * prefixes." - * - * So: - * Prefix that has just had pathlimit set/unset: - * - Must bump ATOMIC refcount on all parents. - * - * To catch less specific prefixes: - * - Must search children for ones with TTL, bump atomic refcount - * (we dont care if we're deleting a less specific prefix..) - */ - if (ttl_change) - { - /* Existing static changed TTL, search parents and adjust their atomic */ - bgp_pathlimit_update_parents (bgp, rn, ttl_edge); - } - - if (new) - { - struct bgp_node *child; - struct bgp_static *sc; - - /* New static, search children and bump this statics atomic.. */ - child = bgp_lock_node (rn); /* route_next_until unlocks it.. */ - while ((child = bgp_route_next_until (child, rn))) - { - if ((sc = child->info) && sc->ttl) - bgp_static->atomic++; - } - } - /* If BGP scan is not enabled, we should install this route here. */ if (! bgp_flag_check (bgp, BGP_FLAG_IMPORT_CHECK)) { @@ -3833,9 +3697,6 @@ bgp_static_unset (struct vty *vty, struct bgp *bgp, const char *ip_str, bgp_static = rn->info; - /* decrement atomic in parents, see bgp_static_set */ - bgp_pathlimit_update_parents (bgp, rn, 0); - /* Update BGP RIB. */ if (! bgp_static->backdoor) bgp_static_withdraw (bgp, &p, afi, safi); @@ -4032,23 +3893,10 @@ DEFUN (bgp_network, "Specify a network to announce via BGP\n" "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n") { - u_char ttl = 0; - - if (argc == 2) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[1], 1, 255); - return bgp_static_set (vty, vty->index, argv[0], - AFI_IP, bgp_node_safi (vty), NULL, 0, ttl); + AFI_IP, bgp_node_safi (vty), NULL, 0); } -ALIAS (bgp_network, - bgp_network_ttl_cmd, - "network A.B.C.D/M pathlimit <0-255>", - "Specify a network to announce via BGP\n" - "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (bgp_network_route_map, bgp_network_route_map_cmd, "network A.B.C.D/M route-map WORD", @@ -4058,7 +3906,7 @@ DEFUN (bgp_network_route_map, "Name of the route map\n") { return bgp_static_set (vty, vty->index, argv[0], - AFI_IP, bgp_node_safi (vty), argv[1], 0, 0); + AFI_IP, bgp_node_safi (vty), argv[1], 0); } DEFUN (bgp_network_backdoor, @@ -4068,24 +3916,10 @@ DEFUN (bgp_network_backdoor, "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" "Specify a BGP backdoor route\n") { - u_char ttl = 0; - - if (argc == 2) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[1], 1, 255); - return bgp_static_set (vty, vty->index, argv[0], AFI_IP, SAFI_UNICAST, - NULL, 1, ttl); + NULL, 1); } -ALIAS (bgp_network_backdoor, - bgp_network_backdoor_ttl_cmd, - "network A.B.C.D/M backdoor pathlimit <0-255>", - "Specify a network to announce via BGP\n" - "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" - "Specify a BGP backdoor route\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (bgp_network_mask, bgp_network_mask_cmd, "network A.B.C.D mask A.B.C.D", @@ -4096,10 +3930,6 @@ DEFUN (bgp_network_mask, { int ret; char prefix_str[BUFSIZ]; - u_char ttl = 0; - - if (argc == 3) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[2], 1, 255); ret = netmask_str2prefix_str (argv[0], argv[1], prefix_str); if (! ret) @@ -4109,19 +3939,9 @@ DEFUN (bgp_network_mask, } return bgp_static_set (vty, vty->index, prefix_str, - AFI_IP, bgp_node_safi (vty), NULL, 0, ttl); + AFI_IP, bgp_node_safi (vty), NULL, 0); } -ALIAS (bgp_network_mask, - bgp_network_mask_ttl_cmd, - "network A.B.C.D mask A.B.C.D pathlimit <0-255>", - "Specify a network to announce via BGP\n" - "Network number\n" - "Network mask\n" - "Network mask\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (bgp_network_mask_route_map, bgp_network_mask_route_map_cmd, "network A.B.C.D mask A.B.C.D route-map WORD", @@ -4143,7 +3963,7 @@ DEFUN (bgp_network_mask_route_map, } return bgp_static_set (vty, vty->index, prefix_str, - AFI_IP, bgp_node_safi (vty), argv[2], 0, 0); + AFI_IP, bgp_node_safi (vty), argv[2], 0); } DEFUN (bgp_network_mask_backdoor, @@ -4157,11 +3977,7 @@ DEFUN (bgp_network_mask_backdoor, { int ret; char prefix_str[BUFSIZ]; - u_char ttl = 0; - if (argc == 3) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[2], 1, 255); - ret = netmask_str2prefix_str (argv[0], argv[1], prefix_str); if (! ret) { @@ -4170,20 +3986,9 @@ DEFUN (bgp_network_mask_backdoor, } return bgp_static_set (vty, vty->index, prefix_str, AFI_IP, SAFI_UNICAST, - NULL, 1, ttl); + NULL, 1); } -ALIAS (bgp_network_mask_backdoor, - bgp_network_mask_backdoor_ttl_cmd, - "network A.B.C.D mask A.B.C.D backdoor pathlimit <0-255>", - "Specify a network to announce via BGP\n" - "Network number\n" - "Network mask\n" - "Network mask\n" - "Specify a BGP backdoor route\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (bgp_network_mask_natural, bgp_network_mask_natural_cmd, "network A.B.C.D", @@ -4192,10 +3997,6 @@ DEFUN (bgp_network_mask_natural, { int ret; char prefix_str[BUFSIZ]; - u_char ttl = 0; - - if (argc == 2) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[1], 1, 255); ret = netmask_str2prefix_str (argv[0], NULL, prefix_str); if (! ret) @@ -4205,17 +4006,9 @@ DEFUN (bgp_network_mask_natural, } return bgp_static_set (vty, vty->index, prefix_str, - AFI_IP, bgp_node_safi (vty), NULL, 0, ttl); + AFI_IP, bgp_node_safi (vty), NULL, 0); } -ALIAS (bgp_network_mask_natural, - bgp_network_mask_natural_ttl_cmd, - "network A.B.C.D pathlimit <0-255>", - "Specify a network to announce via BGP\n" - "Network number\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (bgp_network_mask_natural_route_map, bgp_network_mask_natural_route_map_cmd, "network A.B.C.D route-map WORD", @@ -4235,7 +4028,7 @@ DEFUN (bgp_network_mask_natural_route_map, } return bgp_static_set (vty, vty->index, prefix_str, - AFI_IP, bgp_node_safi (vty), argv[1], 0, 0); + AFI_IP, bgp_node_safi (vty), argv[1], 0); } DEFUN (bgp_network_mask_natural_backdoor, @@ -4247,10 +4040,6 @@ DEFUN (bgp_network_mask_natural_backdoor, { int ret; char prefix_str[BUFSIZ]; - u_char ttl = 0; - - if (argc == 2) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[1], 1, 255); ret = netmask_str2prefix_str (argv[0], NULL, prefix_str); if (! ret) @@ -4260,18 +4049,9 @@ DEFUN (bgp_network_mask_natural_backdoor, } return bgp_static_set (vty, vty->index, prefix_str, AFI_IP, SAFI_UNICAST, - NULL, 1, ttl); + NULL, 1); } -ALIAS (bgp_network_mask_natural_backdoor, - bgp_network_mask_natural_backdoor_ttl_cmd, - "network A.B.C.D backdoor pathlimit (1-255>", - "Specify a network to announce via BGP\n" - "Network number\n" - "Specify a BGP backdoor route\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (no_bgp_network, no_bgp_network_cmd, "no network A.B.C.D/M", @@ -4284,15 +4064,6 @@ DEFUN (no_bgp_network, } ALIAS (no_bgp_network, - no_bgp_network_ttl_cmd, - "no network A.B.C.D/M pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - -ALIAS (no_bgp_network, no_bgp_network_route_map_cmd, "no network A.B.C.D/M route-map WORD", NO_STR @@ -4309,16 +4080,6 @@ ALIAS (no_bgp_network, "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" "Specify a BGP backdoor route\n") -ALIAS (no_bgp_network, - no_bgp_network_backdoor_ttl_cmd, - "no network A.B.C.D/M backdoor pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" - "Specify a BGP backdoor route\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (no_bgp_network_mask, no_bgp_network_mask_cmd, "no network A.B.C.D mask A.B.C.D", @@ -4342,17 +4103,6 @@ DEFUN (no_bgp_network_mask, bgp_node_safi (vty)); } -ALIAS (no_bgp_network, - no_bgp_network_mask_ttl_cmd, - "no network A.B.C.D mask A.B.C.D pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "Network number\n" - "Network mask\n" - "Network mask\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - ALIAS (no_bgp_network_mask, no_bgp_network_mask_route_map_cmd, "no network A.B.C.D mask A.B.C.D route-map WORD", @@ -4374,18 +4124,6 @@ ALIAS (no_bgp_network_mask, "Network mask\n" "Specify a BGP backdoor route\n") -ALIAS (no_bgp_network_mask, - no_bgp_network_mask_backdoor_ttl_cmd, - "no network A.B.C.D mask A.B.C.D backdoor pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "Network number\n" - "Network mask\n" - "Network mask\n" - "Specify a BGP backdoor route\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (no_bgp_network_mask_natural, no_bgp_network_mask_natural_cmd, "no network A.B.C.D", @@ -4424,25 +4162,6 @@ ALIAS (no_bgp_network_mask_natural, "Network number\n" "Specify a BGP backdoor route\n") -ALIAS (no_bgp_network_mask_natural, - no_bgp_network_mask_natural_ttl_cmd, - "no network A.B.C.D pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "Network number\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - -ALIAS (no_bgp_network_mask_natural, - no_bgp_network_mask_natural_backdoor_ttl_cmd, - "no network A.B.C.D backdoor pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "Network number\n" - "Specify a BGP backdoor route\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - #ifdef HAVE_IPV6 DEFUN (ipv6_bgp_network, ipv6_bgp_network_cmd, @@ -4450,23 +4169,10 @@ DEFUN (ipv6_bgp_network, "Specify a network to announce via BGP\n" "IPv6 prefix <network>/<length>\n") { - u_char ttl = 0; - - if (argc == 2) - VTY_GET_INTEGER_RANGE ("Pathlimit TTL", ttl, argv[1], 1, 255); - return bgp_static_set (vty, vty->index, argv[0], AFI_IP6, SAFI_UNICAST, - NULL, 0, ttl); + NULL, 0); } -ALIAS (ipv6_bgp_network, - ipv6_bgp_network_ttl_cmd, - "network X:X::X:X/M pathlimit <0-255>", - "Specify a network to announce via BGP\n" - "IPv6 prefix <network>/<length>\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - DEFUN (ipv6_bgp_network_route_map, ipv6_bgp_network_route_map_cmd, "network X:X::X:X/M route-map WORD", @@ -4476,7 +4182,7 @@ DEFUN (ipv6_bgp_network_route_map, "Name of the route map\n") { return bgp_static_set (vty, vty->index, argv[0], AFI_IP6, - bgp_node_safi (vty), argv[1], 0, 0); + bgp_node_safi (vty), argv[1], 0); } DEFUN (no_ipv6_bgp_network, @@ -4498,15 +4204,6 @@ ALIAS (no_ipv6_bgp_network, "Route-map to modify the attributes\n" "Name of the route map\n") -ALIAS (no_ipv6_bgp_network, - no_ipv6_bgp_network_ttl_cmd, - "no network X:X::X:X/M pathlimit <0-255>", - NO_STR - "Specify a network to announce via BGP\n" - "IPv6 prefix <network>/<length>\n" - "AS-Path hopcount limit attribute\n" - "AS-Pathlimit TTL, in number of AS-Path hops\n") - ALIAS (ipv6_bgp_network, old_ipv6_bgp_network_cmd, "ipv6 bgp network X:X::X:X/M", @@ -4524,6 +4221,127 @@ ALIAS (no_ipv6_bgp_network, "Specify a network to announce via BGP\n" "IPv6 prefix <network>/<length>, e.g., 3ffe::/16\n") #endif /* HAVE_IPV6 */ + +/* stubs for removed AS-Pathlimit commands, kept for config compatibility */ +ALIAS_DEPRECATED (bgp_network, + bgp_network_ttl_cmd, + "network A.B.C.D/M pathlimit <0-255>", + "Specify a network to announce via BGP\n" + "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (bgp_network_backdoor, + bgp_network_backdoor_ttl_cmd, + "network A.B.C.D/M backdoor pathlimit <0-255>", + "Specify a network to announce via BGP\n" + "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" + "Specify a BGP backdoor route\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (bgp_network_mask, + bgp_network_mask_ttl_cmd, + "network A.B.C.D mask A.B.C.D pathlimit <0-255>", + "Specify a network to announce via BGP\n" + "Network number\n" + "Network mask\n" + "Network mask\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (bgp_network_mask_backdoor, + bgp_network_mask_backdoor_ttl_cmd, + "network A.B.C.D mask A.B.C.D backdoor pathlimit <0-255>", + "Specify a network to announce via BGP\n" + "Network number\n" + "Network mask\n" + "Network mask\n" + "Specify a BGP backdoor route\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (bgp_network_mask_natural, + bgp_network_mask_natural_ttl_cmd, + "network A.B.C.D pathlimit <0-255>", + "Specify a network to announce via BGP\n" + "Network number\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (bgp_network_mask_natural_backdoor, + bgp_network_mask_natural_backdoor_ttl_cmd, + "network A.B.C.D backdoor pathlimit (1-255>", + "Specify a network to announce via BGP\n" + "Network number\n" + "Specify a BGP backdoor route\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_bgp_network, + no_bgp_network_ttl_cmd, + "no network A.B.C.D/M pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_bgp_network, + no_bgp_network_backdoor_ttl_cmd, + "no network A.B.C.D/M backdoor pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" + "Specify a BGP backdoor route\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_bgp_network, + no_bgp_network_mask_ttl_cmd, + "no network A.B.C.D mask A.B.C.D pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "Network number\n" + "Network mask\n" + "Network mask\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_bgp_network_mask, + no_bgp_network_mask_backdoor_ttl_cmd, + "no network A.B.C.D mask A.B.C.D backdoor pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "Network number\n" + "Network mask\n" + "Network mask\n" + "Specify a BGP backdoor route\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_bgp_network_mask_natural, + no_bgp_network_mask_natural_ttl_cmd, + "no network A.B.C.D pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "Network number\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_bgp_network_mask_natural, + no_bgp_network_mask_natural_backdoor_ttl_cmd, + "no network A.B.C.D backdoor pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "Network number\n" + "Specify a BGP backdoor route\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (ipv6_bgp_network, + ipv6_bgp_network_ttl_cmd, + "network X:X::X:X/M pathlimit <0-255>", + "Specify a network to announce via BGP\n" + "IPv6 prefix <network>/<length>\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") +ALIAS_DEPRECATED (no_ipv6_bgp_network, + no_ipv6_bgp_network_ttl_cmd, + "no network X:X::X:X/M pathlimit <0-255>", + NO_STR + "Specify a network to announce via BGP\n" + "IPv6 prefix <network>/<length>\n" + "AS-Path hopcount limit attribute\n" + "AS-Pathlimit TTL, in number of AS-Path hops\n") /* Aggreagete address: @@ -6139,17 +5957,6 @@ route_vty_out_detail (struct vty *vty, struct bgp *bgp, struct prefix *p, vty_out (vty, "%s", VTY_NEWLINE); } - /* 7: AS Pathlimit */ - if (attr->flag & ATTR_FLAG_BIT(BGP_ATTR_AS_PATHLIMIT)) - { - - vty_out (vty, " AS-Pathlimit: %u", - attr->pathlimit.ttl); - if (attr->pathlimit.as) - vty_out (vty, " (%u)", attr->pathlimit.as); - vty_out (vty, "%s", VTY_NEWLINE); - } - if (binfo->extra && binfo->extra->damp_info) bgp_damp_info_vty (vty, binfo); @@ -11576,8 +11383,6 @@ bgp_config_write_network (struct vty *vty, struct bgp *bgp, { if (bgp_static->backdoor) vty_out (vty, " backdoor"); - if (bgp_static->ttl) - vty_out (vty, " pathlimit %u", bgp_static->ttl); } vty_out (vty, "%s", VTY_NEWLINE); @@ -11666,12 +11471,6 @@ bgp_route_init (void) install_element (BGP_NODE, &bgp_network_backdoor_cmd); install_element (BGP_NODE, &bgp_network_mask_backdoor_cmd); install_element (BGP_NODE, &bgp_network_mask_natural_backdoor_cmd); - install_element (BGP_NODE, &bgp_network_ttl_cmd); - install_element (BGP_NODE, &bgp_network_mask_ttl_cmd); - install_element (BGP_NODE, &bgp_network_mask_natural_ttl_cmd); - install_element (BGP_NODE, &bgp_network_backdoor_ttl_cmd); - install_element (BGP_NODE, &bgp_network_mask_backdoor_ttl_cmd); - install_element (BGP_NODE, &bgp_network_mask_natural_backdoor_ttl_cmd); install_element (BGP_NODE, &no_bgp_network_cmd); install_element (BGP_NODE, &no_bgp_network_mask_cmd); install_element (BGP_NODE, &no_bgp_network_mask_natural_cmd); @@ -11681,12 +11480,6 @@ bgp_route_init (void) install_element (BGP_NODE, &no_bgp_network_backdoor_cmd); install_element (BGP_NODE, &no_bgp_network_mask_backdoor_cmd); install_element (BGP_NODE, &no_bgp_network_mask_natural_backdoor_cmd); - install_element (BGP_NODE, &no_bgp_network_ttl_cmd); - install_element (BGP_NODE, &no_bgp_network_mask_ttl_cmd); - install_element (BGP_NODE, &no_bgp_network_mask_natural_ttl_cmd); - install_element (BGP_NODE, &no_bgp_network_backdoor_ttl_cmd); - install_element (BGP_NODE, &no_bgp_network_mask_backdoor_ttl_cmd); - install_element (BGP_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd); install_element (BGP_NODE, &aggregate_address_cmd); install_element (BGP_NODE, &aggregate_address_mask_cmd); @@ -11716,23 +11509,13 @@ bgp_route_init (void) install_element (BGP_IPV4_NODE, &bgp_network_route_map_cmd); install_element (BGP_IPV4_NODE, &bgp_network_mask_route_map_cmd); install_element (BGP_IPV4_NODE, &bgp_network_mask_natural_route_map_cmd); - install_element (BGP_IPV4_NODE, &bgp_network_ttl_cmd); - install_element (BGP_IPV4_NODE, &bgp_network_mask_ttl_cmd); - install_element (BGP_IPV4_NODE, &bgp_network_mask_natural_ttl_cmd); - install_element (BGP_IPV4_NODE, &bgp_network_backdoor_ttl_cmd); - install_element (BGP_IPV4_NODE, &bgp_network_mask_backdoor_ttl_cmd); - install_element (BGP_IPV4_NODE, &bgp_network_mask_natural_backdoor_ttl_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_cmd); + install_element (BGP_IPV4_NODE, &no_bgp_network_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_mask_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_mask_natural_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_route_map_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_mask_route_map_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_mask_natural_route_map_cmd); - install_element (BGP_IPV4_NODE, &no_bgp_network_ttl_cmd); - install_element (BGP_IPV4_NODE, &no_bgp_network_mask_ttl_cmd); - install_element (BGP_IPV4_NODE, &no_bgp_network_mask_natural_ttl_cmd); - install_element (BGP_IPV4_NODE, &no_bgp_network_backdoor_ttl_cmd); - install_element (BGP_IPV4_NODE, &no_bgp_network_mask_backdoor_ttl_cmd); - install_element (BGP_IPV4_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_cmd); + install_element (BGP_IPV4_NODE, &aggregate_address_cmd); install_element (BGP_IPV4_NODE, &aggregate_address_mask_cmd); install_element (BGP_IPV4_NODE, &aggregate_address_summary_only_cmd); @@ -11761,24 +11544,12 @@ bgp_route_init (void) install_element (BGP_IPV4M_NODE, &bgp_network_route_map_cmd); install_element (BGP_IPV4M_NODE, &bgp_network_mask_route_map_cmd); install_element (BGP_IPV4M_NODE, &bgp_network_mask_natural_route_map_cmd); - install_element (BGP_IPV4M_NODE, &bgp_network_ttl_cmd); - install_element (BGP_IPV4M_NODE, &bgp_network_mask_ttl_cmd); - install_element (BGP_IPV4M_NODE, &bgp_network_mask_natural_ttl_cmd); - install_element (BGP_IPV4M_NODE, &bgp_network_backdoor_ttl_cmd); - install_element (BGP_IPV4M_NODE, &bgp_network_mask_backdoor_ttl_cmd); - install_element (BGP_IPV4M_NODE, &bgp_network_mask_natural_backdoor_ttl_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_cmd); install_element (BGP_IPV4M_NODE, &no_bgp_network_cmd); install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_cmd); install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_cmd); install_element (BGP_IPV4M_NODE, &no_bgp_network_route_map_cmd); install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_route_map_cmd); install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_route_map_cmd); - install_element (BGP_IPV4M_NODE, &no_bgp_network_ttl_cmd); - install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_ttl_cmd); - install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_ttl_cmd); - install_element (BGP_IPV4M_NODE, &no_bgp_network_backdoor_ttl_cmd); - install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_backdoor_ttl_cmd); - install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd); install_element (BGP_IPV4_NODE, &no_bgp_network_cmd); install_element (BGP_IPV4M_NODE, &aggregate_address_cmd); install_element (BGP_IPV4M_NODE, &aggregate_address_mask_cmd); install_element (BGP_IPV4M_NODE, &aggregate_address_summary_only_cmd); @@ -11999,10 +11770,8 @@ bgp_route_init (void) /* New config IPv6 BGP commands. */ install_element (BGP_IPV6_NODE, &ipv6_bgp_network_cmd); install_element (BGP_IPV6_NODE, &ipv6_bgp_network_route_map_cmd); - install_element (BGP_IPV6_NODE, &ipv6_bgp_network_ttl_cmd); install_element (BGP_IPV6_NODE, &no_ipv6_bgp_network_cmd); install_element (BGP_IPV6_NODE, &no_ipv6_bgp_network_route_map_cmd); - install_element (BGP_IPV6_NODE, &no_ipv6_bgp_network_ttl_cmd); install_element (BGP_IPV6_NODE, &ipv6_aggregate_address_cmd); install_element (BGP_IPV6_NODE, &ipv6_aggregate_address_summary_only_cmd); @@ -12321,6 +12090,52 @@ bgp_route_init (void) install_element (BGP_IPV4_NODE, &bgp_damp_set3_cmd); install_element (BGP_IPV4_NODE, &bgp_damp_unset_cmd); install_element (BGP_IPV4_NODE, &bgp_damp_unset2_cmd); + + /* Deprecated AS-Pathlimit commands */ + install_element (BGP_NODE, &bgp_network_ttl_cmd); + install_element (BGP_NODE, &bgp_network_mask_ttl_cmd); + install_element (BGP_NODE, &bgp_network_mask_natural_ttl_cmd); + install_element (BGP_NODE, &bgp_network_backdoor_ttl_cmd); + install_element (BGP_NODE, &bgp_network_mask_backdoor_ttl_cmd); + install_element (BGP_NODE, &bgp_network_mask_natural_backdoor_ttl_cmd); + + install_element (BGP_NODE, &no_bgp_network_ttl_cmd); + install_element (BGP_NODE, &no_bgp_network_mask_ttl_cmd); + install_element (BGP_NODE, &no_bgp_network_mask_natural_ttl_cmd); + install_element (BGP_NODE, &no_bgp_network_backdoor_ttl_cmd); + install_element (BGP_NODE, &no_bgp_network_mask_backdoor_ttl_cmd); + install_element (BGP_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd); + + install_element (BGP_IPV4_NODE, &bgp_network_ttl_cmd); + install_element (BGP_IPV4_NODE, &bgp_network_mask_ttl_cmd); + install_element (BGP_IPV4_NODE, &bgp_network_mask_natural_ttl_cmd); + install_element (BGP_IPV4_NODE, &bgp_network_backdoor_ttl_cmd); + install_element (BGP_IPV4_NODE, &bgp_network_mask_backdoor_ttl_cmd); + install_element (BGP_IPV4_NODE, &bgp_network_mask_natural_backdoor_ttl_cmd); + + install_element (BGP_IPV4_NODE, &no_bgp_network_ttl_cmd); + install_element (BGP_IPV4_NODE, &no_bgp_network_mask_ttl_cmd); + install_element (BGP_IPV4_NODE, &no_bgp_network_mask_natural_ttl_cmd); + install_element (BGP_IPV4_NODE, &no_bgp_network_backdoor_ttl_cmd); + install_element (BGP_IPV4_NODE, &no_bgp_network_mask_backdoor_ttl_cmd); + install_element (BGP_IPV4_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd); + + install_element (BGP_IPV4M_NODE, &bgp_network_ttl_cmd); + install_element (BGP_IPV4M_NODE, &bgp_network_mask_ttl_cmd); + install_element (BGP_IPV4M_NODE, &bgp_network_mask_natural_ttl_cmd); + install_element (BGP_IPV4M_NODE, &bgp_network_backdoor_ttl_cmd); + install_element (BGP_IPV4M_NODE, &bgp_network_mask_backdoor_ttl_cmd); + install_element (BGP_IPV4M_NODE, &bgp_network_mask_natural_backdoor_ttl_cmd); + + install_element (BGP_IPV4M_NODE, &no_bgp_network_ttl_cmd); + install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_ttl_cmd); + install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_ttl_cmd); + install_element (BGP_IPV4M_NODE, &no_bgp_network_backdoor_ttl_cmd); + install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_backdoor_ttl_cmd); + install_element (BGP_IPV4M_NODE, &no_bgp_network_mask_natural_backdoor_ttl_cmd); + + install_element (BGP_IPV6_NODE, &ipv6_bgp_network_ttl_cmd); + install_element (BGP_IPV6_NODE, &no_ipv6_bgp_network_ttl_cmd); } void diff --git a/bgpd/bgp_route.h b/bgpd/bgp_route.h index 5eed3486..3e528596 100644 --- a/bgpd/bgp_route.h +++ b/bgpd/bgp_route.h @@ -116,9 +116,6 @@ struct bgp_static /* MPLS label. */ u_char tag[3]; - - /* AS-Pathlimit TTL */ - u_char ttl; }; /* Flags which indicate a route is unuseable in some form */ diff --git a/bgpd/bgp_routemap.c b/bgpd/bgp_routemap.c index aa7dbce1..81ff48db 100644 --- a/bgpd/bgp_routemap.c +++ b/bgpd/bgp_routemap.c @@ -92,107 +92,15 @@ o Cisco route-map origin : Done tag : (This will not be implemented by bgpd) weight : Done - pathlimit : Done o Local extention set ipv6 next-hop global: Done set ipv6 next-hop local : Done - set pathlimit ttl : Done set as-path exclude : Done - match pathlimit as : Done */ -/* Compiles either AS or TTL argument. It is amused the VTY code - * has already range-checked the values to be suitable as TTL or ASN - */ -static void * -route_pathlimit_compile (const char *arg) -{ - unsigned long tmp; - u_int32_t *val; - char *endptr = NULL; - - /* TTL or AS value shoud be integer. */ - if (! all_digit (arg)) - return NULL; - - tmp = strtoul (arg, &endptr, 10); - if (*endptr != '\0' || tmp == ULONG_MAX || tmp > UINT32_MAX) - return NULL; - - if (!(val = XMALLOC (MTYPE_ROUTE_MAP_COMPILED, sizeof (u_int32_t)))) - return NULL; - - *val = tmp; - - return val; -} - -static void -route_pathlimit_free (void *rule) -{ - XFREE (MTYPE_ROUTE_MAP_COMPILED, rule); -} - -static route_map_result_t -route_match_pathlimit_as (void *rule, struct prefix *prefix, route_map_object_t type, - void *object) -{ - struct bgp_info *info = object; - struct attr *attr = info->attr; - uint32_t as = *(uint32_t *)rule; - - if (type != RMAP_BGP) - return RMAP_NOMATCH; - - if (!attr->pathlimit.as) - return RMAP_NOMATCH; - - if (as == attr->pathlimit.as) - return RMAP_MATCH; - - return RMAP_NOMATCH; -} - -/* 'match pathlimit as' */ -struct route_map_rule_cmd route_match_pathlimit_as_cmd = -{ - "pathlimit as", - route_match_pathlimit_as, - route_pathlimit_compile, - route_pathlimit_free -}; - -/* Set pathlimit TTL. */ -static route_map_result_t -route_set_pathlimit_ttl (void *rule, struct prefix *prefix, - route_map_object_t type, void *object) -{ - struct bgp_info *info = object; - struct attr *attr = info->attr; - u_char ttl = *(uint32_t *)rule; - - if (type == RMAP_BGP) - { - attr->flag |= ATTR_FLAG_BIT (BGP_ATTR_AS_PATHLIMIT); - attr->pathlimit.ttl = ttl; - attr->pathlimit.as = 0; - } - - return RMAP_OKAY; -} - -/* Set local preference rule structure. */ -struct route_map_rule_cmd route_set_pathlimit_ttl_cmd = -{ - "pathlimit ttl", - route_set_pathlimit_ttl, - route_pathlimit_compile, - route_pathlimit_free, -}; - /* 'match peer (A.B.C.D|X:X::X:X)' */ /* Compares the peer specified in the 'match peer' clause with the peer @@ -3743,17 +3651,17 @@ ALIAS (no_set_originator_id, "BGP originator ID attribute\n" "IP address of originator\n") -DEFUN (set_pathlimit_ttl, +DEFUN_DEPRECATED (set_pathlimit_ttl, set_pathlimit_ttl_cmd, "set pathlimit ttl <1-255>", SET_STR "BGP AS-Pathlimit attribute\n" "Set AS-Path Hop-count TTL\n") { - return bgp_route_set_add (vty, vty->index, "pathlimit ttl", argv[0]); + return CMD_SUCCESS; } -DEFUN (no_set_pathlimit_ttl, +DEFUN_DEPRECATED (no_set_pathlimit_ttl, no_set_pathlimit_ttl_cmd, "no set pathlimit ttl", NO_STR @@ -3761,10 +3669,7 @@ DEFUN (no_set_pathlimit_ttl, "BGP AS-Pathlimit attribute\n" "Set AS-Path Hop-count TTL\n") { - if (argc == 0) - return bgp_route_set_delete (vty, vty->index, "pathlimit ttl", NULL); - - return bgp_route_set_delete (vty, vty->index, "pathlimit ttl", argv[0]); + return CMD_SUCCESS; } ALIAS (no_set_pathlimit_ttl, @@ -3775,17 +3680,17 @@ ALIAS (no_set_pathlimit_ttl, "BGP AS-Pathlimit attribute\n" "Set AS-Path Hop-count TTL\n") -DEFUN (match_pathlimit_as, +DEFUN_DEPRECATED (match_pathlimit_as, match_pathlimit_as_cmd, "match pathlimit as <1-65535>", MATCH_STR "BGP AS-Pathlimit attribute\n" "Match Pathlimit AS number\n") { - return bgp_route_match_add (vty, vty->index, "pathlimit as", argv[0]); + return CMD_SUCCESS; } -DEFUN (no_match_pathlimit_as, +DEFUN_DEPRECATED (no_match_pathlimit_as, no_match_pathlimit_as_cmd, "no match pathlimit as", NO_STR @@ -3793,10 +3698,7 @@ DEFUN (no_match_pathlimit_as, "BGP AS-Pathlimit attribute\n" "Match Pathlimit AS number\n") { - if (argc == 0) - return bgp_route_match_delete (vty, vty->index, "pathlimit as", NULL); - - return bgp_route_match_delete (vty, vty->index, "pathlimit as", argv[0]); + return CMD_SUCCESS; } ALIAS (no_match_pathlimit_as, @@ -3959,10 +3861,9 @@ bgp_route_map_init (void) install_element (RMAP_NODE, &no_set_ipv6_nexthop_local_val_cmd); #endif /* HAVE_IPV6 */ - /* AS-Pathlimit */ - route_map_install_match (&route_match_pathlimit_as_cmd); - route_map_install_set (&route_set_pathlimit_ttl_cmd); - + /* AS-Pathlimit: functionality removed, commands kept for + * compatibility. + */ install_element (RMAP_NODE, &set_pathlimit_ttl_cmd); install_element (RMAP_NODE, &no_set_pathlimit_ttl_cmd); install_element (RMAP_NODE, &no_set_pathlimit_ttl_val_cmd); diff --git a/doc/bgpd.texi b/doc/bgpd.texi index 40156b7f..e7463300 100644 --- a/doc/bgpd.texi +++ b/doc/bgpd.texi @@ -149,29 +149,6 @@ routes if they aren't present in their IGP routing tables; @code{bgpd} doesn't care about IGP routes when announcing its routes. @end deffn -@deffn {BGP} {network @var{A.B.C.D/M} pathlimit <0-255>} {} -This command configures a route to be originated into BGP, just as with the -previous command, but additionally sets an AS-Pathlimit TTL to be advertised -on the route. See draft-ietf-idr-as-pathlimit. - -Specifying a TTL of 0 can be used to remove pathlimit from a previously -configured network statement. - -Note that when advertising prefixes with AS-Pathlimit set, all less-specific -prefixes advertised SHOULD also have the Atomic-Aggregate attribute set. -Failure to do so increases the risks of accidental routing loops occuring. - -This implementation will try to automatically set Atomic-Aggregate as -appropriate on any less-specific prefixes originated by the same speaker, -however it will not (and often can not) do so where @b{other} speakers in -the AS are originating more specifics. - -Hence the system administrator must take care to ensure that all -less-specific prefixes originated carry atomic-aggregate as appropriate, by -manually configuring speakers originating less-specifics to set -Atomic-Aggregate on those advertisements! -@end deffn - @deffn {BGP} {no network @var{A.B.C.D/M}} {} @end deffn diff --git a/doc/routemap.texi b/doc/routemap.texi index 9ac001c4..db3e72d2 100644 --- a/doc/routemap.texi +++ b/doc/routemap.texi @@ -155,10 +155,6 @@ Matches the specified @var{metric}. Matches the specified @var{community_list} @end deffn -@deffn {Route-map Command} {match pathlimit as @var{ASN}} {} -Matches the specified AS-Pathlimit @var{ASN}. -@end deffn - @node Route Map Set Command @section Route Map Set Command @@ -194,16 +190,6 @@ Set the BGP-4+ global IPv6 nexthop address. Set the BGP-4+ link local IPv6 nexthop address. @end deffn -@deffn {Route-map Command} {set pathlimit ttl @var{ttl}} {} -Sets the specified AS-Pathlimit @var{ttl} on the route. This will also cause -the AS to be set to the local AS. - -Note that the AS-Pathlimit RFC specifies that speakers advertising this -attribute should set Atomic-aggregate on all less specific routes. Setting -AS-Pathlimit by route-map does not do this, the user must do so themselves, -as they wish. -@end deffn - @node Route Map Call Command @section Route Map Call Command |