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-rw-r--r--bgpd/bgp_mplsvpn.c741
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);
+}