diff options
Diffstat (limited to 'bgpd/bgp_mplsvpn.c')
-rw-r--r-- | bgpd/bgp_mplsvpn.c | 741 |
1 files changed, 741 insertions, 0 deletions
diff --git a/bgpd/bgp_mplsvpn.c b/bgpd/bgp_mplsvpn.c new file mode 100644 index 000000000..e820cabf6 --- /dev/null +++ b/bgpd/bgp_mplsvpn.c @@ -0,0 +1,741 @@ +/* MPLS-VPN + Copyright (C) 2000 Kunihiro Ishiguro <kunihiro@zebra.org> + +This file is part of GNU Zebra. + +GNU Zebra is free software; you can redistribute it and/or modify it +under the terms of the GNU General Public License as published by the +Free Software Foundation; either version 2, or (at your option) any +later version. + +GNU Zebra is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Zebra; see the file COPYING. If not, write to the Free +Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ + +#include <zebra.h> + +#include "command.h" +#include "prefix.h" +#include "log.h" +#include "memory.h" +#include "stream.h" + +#include "bgpd/bgpd.h" +#include "bgpd/bgp_table.h" +#include "bgpd/bgp_route.h" +#include "bgpd/bgp_attr.h" +#include "bgpd/bgp_mplsvpn.h" + +int route_vty_out (struct vty *, struct prefix *, struct bgp_info *, int, safi_t); +int route_vty_out_tag (struct vty *, struct prefix *, struct bgp_info *, int, safi_t); +void route_vty_out_tmp (struct vty *, struct prefix *, struct attr *, safi_t); + +u_int16_t +decode_rd_type (u_char *pnt) +{ + u_int16_t v; + + v = ((u_int16_t) *pnt++ << 8); + v |= (u_int16_t) *pnt; + return v; +} + +u_int32_t +decode_label (u_char *pnt) +{ + u_int32_t l; + + l = ((u_int32_t) *pnt++ << 12); + l |= (u_int32_t) *pnt++ << 4; + l |= (u_int32_t) ((*pnt & 0xf0) >> 4); + return l; +} + +void +decode_rd_as (u_char *pnt, struct rd_as *rd_as) +{ + rd_as->as = (u_int16_t) *pnt++ << 8; + rd_as->as |= (u_int16_t) *pnt++; + + rd_as->val = ((u_int32_t) *pnt++ << 24); + rd_as->val |= ((u_int32_t) *pnt++ << 16); + rd_as->val |= ((u_int32_t) *pnt++ << 8); + rd_as->val |= (u_int32_t) *pnt; +} + +void +decode_rd_ip (u_char *pnt, struct rd_ip *rd_ip) +{ + memcpy (&rd_ip->ip, pnt, 4); + pnt += 4; + + rd_ip->val = ((u_int16_t) *pnt++ << 8); + rd_ip->val |= (u_int16_t) *pnt; +} + +int bgp_update (struct peer *, struct prefix *, struct attr *, + afi_t, safi_t, int, int, struct prefix_rd *, u_char *); + +int bgp_withdraw (struct peer *, struct prefix *, struct attr *, + int, int, int, int, struct prefix_rd *, u_char *); +int +bgp_nlri_parse_vpnv4 (struct peer *peer, struct attr *attr, + struct bgp_nlri *packet) +{ + u_char *pnt; + u_char *lim; + struct prefix p; + int psize; + int prefixlen; + u_int32_t label; + u_int16_t type; + struct rd_as rd_as; + struct rd_ip rd_ip; + struct prefix_rd prd; + u_char *tagpnt; + + /* Check peer status. */ + if (peer->status != Established) + return 0; + + /* Make prefix_rd */ + prd.family = AF_UNSPEC; + prd.prefixlen = 64; + + pnt = packet->nlri; + lim = pnt + packet->length; + + for (; pnt < lim; pnt += psize) + { + /* Clear prefix structure. */ + memset (&p, 0, sizeof (struct prefix)); + + /* Fetch prefix length. */ + prefixlen = *pnt++; + p.family = AF_INET; + psize = PSIZE (prefixlen); + + if (prefixlen < 88) + { + zlog_err ("prefix length is less than 88: %d", prefixlen); + return -1; + } + + label = decode_label (pnt); + + /* Copyr label to prefix. */ + tagpnt = pnt;; + + /* Copy routing distinguisher to rd. */ + memcpy (&prd.val, pnt + 3, 8); + + /* Decode RD type. */ + type = decode_rd_type (pnt + 3); + + /* Decode RD value. */ + if (type == RD_TYPE_AS) + decode_rd_as (pnt + 5, &rd_as); + else if (type == RD_TYPE_IP) + decode_rd_ip (pnt + 5, &rd_ip); + else + { + zlog_err ("Invalid RD type %d", type); + return -1; + } + + p.prefixlen = prefixlen - 88; + memcpy (&p.u.prefix, pnt + 11, psize - 11); + +#if 0 + if (type == RD_TYPE_AS) + zlog_info ("prefix %ld:%ld:%ld:%s/%d", label, rd_as.as, rd_as.val, + inet_ntoa (p.u.prefix4), p.prefixlen); + else if (type == RD_TYPE_IP) + zlog_info ("prefix %ld:%s:%ld:%s/%d", label, inet_ntoa (rd_ip.ip), + rd_ip.val, inet_ntoa (p.u.prefix4), p.prefixlen); +#endif /* 0 */ + + if (pnt + psize > lim) + return -1; + + if (attr) + bgp_update (peer, &p, attr, AFI_IP, SAFI_MPLS_VPN, + ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, &prd, tagpnt); + else + bgp_withdraw (peer, &p, attr, AFI_IP, SAFI_MPLS_VPN, + ZEBRA_ROUTE_BGP, BGP_ROUTE_NORMAL, &prd, tagpnt); + } + + /* Packet length consistency check. */ + if (pnt != lim) + return -1; + + return 0; +} + +int +str2prefix_rd (u_char *str, struct prefix_rd *prd) +{ + int ret; + u_char *p; + u_char *p2; + struct stream *s; + u_char *half; + struct in_addr addr; + + s = stream_new (8); + + prd->family = AF_UNSPEC; + prd->prefixlen = 64; + + p = strchr (str, ':'); + if (! p) + return 0; + + if (! all_digit (p + 1)) + return 0; + + half = XMALLOC (MTYPE_TMP, (p - str) + 1); + memcpy (half, str, (p - str)); + half[p - str] = '\0'; + + p2 = strchr (str, '.'); + + if (! p2) + { + if (! all_digit (half)) + { + XFREE (MTYPE_TMP, half); + return 0; + } + stream_putw (s, RD_TYPE_AS); + stream_putw (s, atoi (half)); + stream_putl (s, atol (p + 1)); + } + else + { + ret = inet_aton (half, &addr); + if (! ret) + { + XFREE (MTYPE_TMP, half); + return 0; + } + stream_putw (s, RD_TYPE_IP); + stream_put_in_addr (s, &addr); + stream_putw (s, atol (p + 1)); + } + memcpy (prd->val, s->data, 8); + + return 1; +} + +int +str2tag (u_char *str, u_char *tag) +{ + u_int32_t l; + + l = atol (str); + + tag[0] = (u_char)(l >> 12); + tag[1] = (u_char)(l >> 4); + tag[2] = (u_char)(l << 4); + + return 1; +} + +char * +prefix_rd2str (struct prefix_rd *prd, char *buf, size_t size) +{ + u_char *pnt; + u_int16_t type; + struct rd_as rd_as; + struct rd_ip rd_ip; + + if (size < RD_ADDRSTRLEN) + return NULL; + + pnt = prd->val; + + type = decode_rd_type (pnt); + + if (type == RD_TYPE_AS) + { + decode_rd_as (pnt + 2, &rd_as); + snprintf (buf, size, "%d:%d", rd_as.as, rd_as.val); + return buf; + } + else if (type == RD_TYPE_IP) + { + decode_rd_ip (pnt + 2, &rd_ip); + snprintf (buf, size, "%s:%d", inet_ntoa (rd_ip.ip), rd_ip.val); + return buf; + } + + return NULL; +} + +/* For testing purpose, static route of MPLS-VPN. */ +DEFUN (vpnv4_network, + vpnv4_network_cmd, + "network A.B.C.D/M rd ASN:nn_or_IP-address:nn tag WORD", + "Specify a network to announce via BGP\n" + "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" + "Specify Route Distinguisher\n" + "VPN Route Distinguisher\n" + "BGP tag\n" + "tag value\n") +{ + return bgp_static_set_vpnv4 (vty, argv[0], argv[1], argv[2]); +} + +/* For testing purpose, static route of MPLS-VPN. */ +DEFUN (no_vpnv4_network, + no_vpnv4_network_cmd, + "no network A.B.C.D/M rd ASN:nn_or_IP-address:nn tag WORD", + NO_STR + "Specify a network to announce via BGP\n" + "IP prefix <network>/<length>, e.g., 35.0.0.0/8\n" + "Specify Route Distinguisher\n" + "VPN Route Distinguisher\n" + "BGP tag\n" + "tag value\n") +{ + return bgp_static_unset_vpnv4 (vty, argv[0], argv[1], argv[2]); +} + +int +show_adj_route_vpn (struct vty *vty, struct peer *peer, struct prefix_rd *prd) +{ + struct bgp *bgp; + struct bgp_table *table; + struct bgp_node *rn; + struct bgp_node *rm; + struct attr *attr; + int rd_header; + int header = 1; + char v4_header[] = " Network Next Hop Metric LocPrf Weight Path%s"; + + bgp = bgp_get_default (); + if (bgp == NULL) + { + vty_out (vty, "No BGP process is configured%s", VTY_NEWLINE); + return CMD_WARNING; + } + + for (rn = bgp_table_top (bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rn; + rn = bgp_route_next (rn)) + { + if (prd && memcmp (rn->p.u.val, prd->val, 8) != 0) + continue; + + if ((table = rn->info) != NULL) + { + rd_header = 1; + + for (rm = bgp_table_top (table); rm; rm = bgp_route_next (rm)) + if ((attr = rm->info) != NULL) + { + if (header) + { + vty_out (vty, "BGP table version is 0, local router ID is %s%s", + inet_ntoa (bgp->router_id), VTY_NEWLINE); + vty_out (vty, "Status codes: s suppressed, d damped, h history, * valid, > best, i - internal%s", + VTY_NEWLINE); + vty_out (vty, "Origin codes: i - IGP, e - EGP, ? - incomplete%s%s", + VTY_NEWLINE, VTY_NEWLINE); + vty_out (vty, v4_header, VTY_NEWLINE); + header = 0; + } + + if (rd_header) + { + u_int16_t type; + struct rd_as rd_as; + struct rd_ip rd_ip; + u_char *pnt; + + pnt = rn->p.u.val; + + /* Decode RD type. */ + type = decode_rd_type (pnt); + /* Decode RD value. */ + if (type == RD_TYPE_AS) + decode_rd_as (pnt + 2, &rd_as); + else if (type == RD_TYPE_IP) + decode_rd_ip (pnt + 2, &rd_ip); + + vty_out (vty, "Route Distinguisher: "); + + if (type == RD_TYPE_AS) + vty_out (vty, "%d:%d", rd_as.as, rd_as.val); + else if (type == RD_TYPE_IP) + vty_out (vty, "%s:%d", inet_ntoa (rd_ip.ip), rd_ip.val); + + vty_out (vty, "%s", VTY_NEWLINE); + rd_header = 0; + } + route_vty_out_tmp (vty, &rm->p, attr, SAFI_MPLS_VPN); + } + } + } + return CMD_SUCCESS; +} + +enum bgp_show_type +{ + bgp_show_type_normal, + bgp_show_type_regexp, + bgp_show_type_prefix_list, + bgp_show_type_filter_list, + bgp_show_type_neighbor, + bgp_show_type_cidr_only, + bgp_show_type_prefix_longer, + bgp_show_type_community_all, + bgp_show_type_community, + bgp_show_type_community_exact, + bgp_show_type_community_list, + bgp_show_type_community_list_exact +}; + +int +bgp_show_mpls_vpn (struct vty *vty, struct prefix_rd *prd, enum bgp_show_type type, + void *output_arg, int tags) +{ + struct bgp *bgp; + struct bgp_table *table; + struct bgp_node *rn; + struct bgp_node *rm; + struct bgp_info *ri; + int rd_header; + int header = 1; + char v4_header[] = " Network Next Hop Metric LocPrf Weight Path%s"; + char v4_header_tag[] = " Network Next Hop In tag/Out tag%s"; + + bgp = bgp_get_default (); + if (bgp == NULL) + { + vty_out (vty, "No BGP process is configured%s", VTY_NEWLINE); + return CMD_WARNING; + } + + for (rn = bgp_table_top (bgp->rib[AFI_IP][SAFI_MPLS_VPN]); rn; rn = bgp_route_next (rn)) + { + if (prd && memcmp (rn->p.u.val, prd->val, 8) != 0) + continue; + + if ((table = rn->info) != NULL) + { + rd_header = 1; + + for (rm = bgp_table_top (table); rm; rm = bgp_route_next (rm)) + for (ri = rm->info; ri; ri = ri->next) + { + if (type == bgp_show_type_neighbor) + { + union sockunion *su = output_arg; + + if (ri->peer->su_remote == NULL || ! sockunion_same(ri->peer->su_remote, su)) + continue; + } + if (header) + { + if (tags) + vty_out (vty, v4_header_tag, VTY_NEWLINE); + else + { + vty_out (vty, "BGP table version is 0, local router ID is %s%s", + inet_ntoa (bgp->router_id), VTY_NEWLINE); + vty_out (vty, "Status codes: s suppressed, d damped, h history, * valid, > best, i - internal%s", + VTY_NEWLINE); + vty_out (vty, "Origin codes: i - IGP, e - EGP, ? - incomplete%s%s", + VTY_NEWLINE, VTY_NEWLINE); + vty_out (vty, v4_header, VTY_NEWLINE); + } + header = 0; + } + + if (rd_header) + { + u_int16_t type; + struct rd_as rd_as; + struct rd_ip rd_ip; + u_char *pnt; + + pnt = rn->p.u.val; + + /* Decode RD type. */ + type = decode_rd_type (pnt); + /* Decode RD value. */ + if (type == RD_TYPE_AS) + decode_rd_as (pnt + 2, &rd_as); + else if (type == RD_TYPE_IP) + decode_rd_ip (pnt + 2, &rd_ip); + + vty_out (vty, "Route Distinguisher: "); + + if (type == RD_TYPE_AS) + vty_out (vty, "%d:%d", rd_as.as, rd_as.val); + else if (type == RD_TYPE_IP) + vty_out (vty, "%s:%d", inet_ntoa (rd_ip.ip), rd_ip.val); + + vty_out (vty, "%s", VTY_NEWLINE); + rd_header = 0; + } + if (tags) + route_vty_out_tag (vty, &rm->p, ri, 0, SAFI_MPLS_VPN); + else + route_vty_out (vty, &rm->p, ri, 0, SAFI_MPLS_VPN); + } + } + } + return CMD_SUCCESS; +} + +DEFUN (show_ip_bgp_vpnv4_all, + show_ip_bgp_vpnv4_all_cmd, + "show ip bgp vpnv4 all", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information about all VPNv4 NLRIs\n") +{ + return bgp_show_mpls_vpn (vty, NULL, bgp_show_type_normal, NULL, 0); +} + +DEFUN (show_ip_bgp_vpnv4_rd, + show_ip_bgp_vpnv4_rd_cmd, + "show ip bgp vpnv4 rd ASN:nn_or_IP-address:nn", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information for a route distinguisher\n" + "VPN Route Distinguisher\n") +{ + int ret; + struct prefix_rd prd; + + ret = str2prefix_rd (argv[0], &prd); + if (! ret) + { + vty_out (vty, "%% Malformed Route Distinguisher%s", VTY_NEWLINE); + return CMD_WARNING; + } + return bgp_show_mpls_vpn (vty, &prd, bgp_show_type_normal, NULL, 0); +} + +DEFUN (show_ip_bgp_vpnv4_all_tags, + show_ip_bgp_vpnv4_all_tags_cmd, + "show ip bgp vpnv4 all tags", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information about all VPNv4 NLRIs\n" + "Display BGP tags for prefixes\n") +{ + return bgp_show_mpls_vpn (vty, NULL, bgp_show_type_normal, NULL, 1); +} + +DEFUN (show_ip_bgp_vpnv4_rd_tags, + show_ip_bgp_vpnv4_rd_tags_cmd, + "show ip bgp vpnv4 rd ASN:nn_or_IP-address:nn tags", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information for a route distinguisher\n" + "VPN Route Distinguisher\n" + "Display BGP tags for prefixes\n") +{ + int ret; + struct prefix_rd prd; + + ret = str2prefix_rd (argv[0], &prd); + if (! ret) + { + vty_out (vty, "%% Malformed Route Distinguisher%s", VTY_NEWLINE); + return CMD_WARNING; + } + return bgp_show_mpls_vpn (vty, &prd, bgp_show_type_normal, NULL, 1); +} + +DEFUN (show_ip_bgp_vpnv4_all_neighbor_routes, + show_ip_bgp_vpnv4_all_neighbor_routes_cmd, + "show ip bgp vpnv4 all neighbors A.B.C.D routes", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information about all VPNv4 NLRIs\n" + "Detailed information on TCP and BGP neighbor connections\n" + "Neighbor to display information about\n" + "Display routes learned from neighbor\n") +{ + union sockunion *su; + struct peer *peer; + + su = sockunion_str2su (argv[0]); + if (su == NULL) + { + vty_out (vty, "Malformed address: %s%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + peer = peer_lookup (NULL, su); + if (! peer || ! peer->afc[AFI_IP][SAFI_MPLS_VPN]) + { + vty_out (vty, "%% No such neighbor or address family%s", VTY_NEWLINE); + return CMD_WARNING; + } + + return bgp_show_mpls_vpn (vty, NULL, bgp_show_type_neighbor, su, 0); +} + +DEFUN (show_ip_bgp_vpnv4_rd_neighbor_routes, + show_ip_bgp_vpnv4_rd_neighbor_routes_cmd, + "show ip bgp vpnv4 rd ASN:nn_or_IP-address:nn neighbors A.B.C.D routes", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information for a route distinguisher\n" + "VPN Route Distinguisher\n" + "Detailed information on TCP and BGP neighbor connections\n" + "Neighbor to display information about\n" + "Display routes learned from neighbor\n") +{ + int ret; + union sockunion *su; + struct peer *peer; + struct prefix_rd prd; + + ret = str2prefix_rd (argv[0], &prd); + if (! ret) + { + vty_out (vty, "%% Malformed Route Distinguisher%s", VTY_NEWLINE); + return CMD_WARNING; + } + + su = sockunion_str2su (argv[1]); + if (su == NULL) + { + vty_out (vty, "Malformed address: %s%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + + peer = peer_lookup (NULL, su); + if (! peer || ! peer->afc[AFI_IP][SAFI_MPLS_VPN]) + { + vty_out (vty, "%% No such neighbor or address family%s", VTY_NEWLINE); + return CMD_WARNING; + } + + return bgp_show_mpls_vpn (vty, &prd, bgp_show_type_neighbor, su, 0); +} + +DEFUN (show_ip_bgp_vpnv4_all_neighbor_advertised_routes, + show_ip_bgp_vpnv4_all_neighbor_advertised_routes_cmd, + "show ip bgp vpnv4 all neighbors A.B.C.D advertised-routes", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information about all VPNv4 NLRIs\n" + "Detailed information on TCP and BGP neighbor connections\n" + "Neighbor to display information about\n" + "Display the routes advertised to a BGP neighbor\n") +{ + int ret; + struct peer *peer; + union sockunion su; + + ret = str2sockunion (argv[0], &su); + if (ret < 0) + { + vty_out (vty, "%% Malformed address: %s%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + peer = peer_lookup (NULL, &su); + if (! peer || ! peer->afc[AFI_IP][SAFI_MPLS_VPN]) + { + vty_out (vty, "%% No such neighbor or address family%s", VTY_NEWLINE); + return CMD_WARNING; + } + + return show_adj_route_vpn (vty, peer, NULL); +} + +DEFUN (show_ip_bgp_vpnv4_rd_neighbor_advertised_routes, + show_ip_bgp_vpnv4_rd_neighbor_advertised_routes_cmd, + "show ip bgp vpnv4 rd ASN:nn_or_IP-address:nn neighbors A.B.C.D advertised-routes", + SHOW_STR + IP_STR + BGP_STR + "Display VPNv4 NLRI specific information\n" + "Display information for a route distinguisher\n" + "VPN Route Distinguisher\n" + "Detailed information on TCP and BGP neighbor connections\n" + "Neighbor to display information about\n" + "Display the routes advertised to a BGP neighbor\n") +{ + int ret; + struct peer *peer; + struct prefix_rd prd; + union sockunion su; + + ret = str2sockunion (argv[1], &su); + if (ret < 0) + { + vty_out (vty, "%% Malformed address: %s%s", argv[0], VTY_NEWLINE); + return CMD_WARNING; + } + peer = peer_lookup (NULL, &su); + if (! peer || ! peer->afc[AFI_IP][SAFI_MPLS_VPN]) + { + vty_out (vty, "%% No such neighbor or address family%s", VTY_NEWLINE); + return CMD_WARNING; + } + + ret = str2prefix_rd (argv[0], &prd); + if (! ret) + { + vty_out (vty, "%% Malformed Route Distinguisher%s", VTY_NEWLINE); + return CMD_WARNING; + } + + return show_adj_route_vpn (vty, peer, &prd); +} + +void +bgp_mplsvpn_init () +{ + install_element (BGP_VPNV4_NODE, &vpnv4_network_cmd); + install_element (BGP_VPNV4_NODE, &no_vpnv4_network_cmd); + + + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_all_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_rd_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_all_tags_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_rd_tags_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_all_neighbor_routes_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_rd_neighbor_routes_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_all_neighbor_advertised_routes_cmd); + install_element (VIEW_NODE, &show_ip_bgp_vpnv4_rd_neighbor_advertised_routes_cmd); + + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_all_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_rd_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_all_tags_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_rd_tags_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_all_neighbor_routes_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_rd_neighbor_routes_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_all_neighbor_advertised_routes_cmd); + install_element (ENABLE_NODE, &show_ip_bgp_vpnv4_rd_neighbor_advertised_routes_cmd); +} |