bgpd: Update dump to allow Extended Time Format
Allow the bgp dump functionality to handle the Extended Time format
as specified in RFC 6396.
Fixes a segmentation fault with multiple dump rules as well.
Signed-off-by: Alexis Fasquel <alexis@pch.net>
Acked-by: Donald Sharp <sharpd@cumulusnetworks.com>
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
diff --git a/bgpd/bgp_btoa.c b/bgpd/bgp_btoa.c
index edc80b2..b9ff67c 100644
--- a/bgpd/bgp_btoa.c
+++ b/bgpd/bgp_btoa.c
@@ -192,6 +192,8 @@
if (type == MSG_PROTOCOL_BGP4MP)
printf ("TYPE: BGP4MP");
+ else if (type == MSG_PROTOCOL_BGP4MP_ET)
+ printf ("TYPE: BGP4MP_ET");
else if (type == MSG_TABLE_DUMP)
printf ("TYPE: MSG_TABLE_DUMP");
else
diff --git a/bgpd/bgp_dump.c b/bgpd/bgp_dump.c
index 3d88dee..227fc7a 100644
--- a/bgpd/bgp_dump.c
+++ b/bgpd/bgp_dump.c
@@ -37,10 +37,25 @@
enum bgp_dump_type
{
BGP_DUMP_ALL,
+ BGP_DUMP_ALL_ET,
BGP_DUMP_UPDATES,
+ BGP_DUMP_UPDATES_ET,
BGP_DUMP_ROUTES
};
+static const struct bgp_dump_type_map {
+ enum bgp_dump_type type;
+ const char *str;
+} bgp_dump_type_map[] =
+ {
+ {BGP_DUMP_ALL, "all"},
+ {BGP_DUMP_ALL_ET, "all-et"},
+ {BGP_DUMP_UPDATES, "updates"},
+ {BGP_DUMP_UPDATES_ET, "updates-et"},
+ {BGP_DUMP_ROUTES, "routes-mrt"},
+ {0, NULL},
+ };
+
enum MRT_MSG_TYPES {
MSG_NULL,
MSG_START, /* sender is starting up */
@@ -58,8 +73,6 @@
MSG_TABLE_DUMP_V2 /* routing table dump, version 2 */
};
-static int bgp_dump_interval_func (struct thread *);
-
struct bgp_dump
{
enum bgp_dump_type type;
@@ -75,6 +88,9 @@
struct thread *t_interval;
};
+static int bgp_dump_unset (struct vty *vty, struct bgp_dump *bgp_dump);
+static int bgp_dump_interval_func (struct thread *);
+
/* BGP packet dump output buffer. */
struct stream *bgp_dump_obuf;
@@ -87,10 +103,6 @@
/* BGP dump structure for 'dump bgp routes' */
struct bgp_dump bgp_dump_routes;
-/* Dump whole BGP table is very heavy process. */
-struct thread *t_bgp_dump_routes;
-
-/* Some define for BGP packet dump. */
static FILE *
bgp_dump_open_file (struct bgp_dump *bgp_dump)
{
@@ -171,24 +183,40 @@
/* Dump common header. */
static void
-bgp_dump_header (struct stream *obuf, int type, int subtype)
+bgp_dump_header (struct stream *obuf, int type, int subtype, int dump_type)
{
- time_t now;
+ struct timeval clock;
+ long msecs;
+ time_t secs;
- /* Set header. */
- time (&now);
+ if ((dump_type == BGP_DUMP_ALL_ET || dump_type == BGP_DUMP_UPDATES_ET)
+ && type == MSG_PROTOCOL_BGP4MP)
+ type = MSG_PROTOCOL_BGP4MP_ET;
+
+ gettimeofday(&clock, NULL);
+
+ secs = clock.tv_sec;
+ msecs = clock.tv_usec;
/* Put dump packet header. */
- stream_putl (obuf, now);
+ stream_putl (obuf, secs);
stream_putw (obuf, type);
stream_putw (obuf, subtype);
-
stream_putl (obuf, 0); /* len */
+
+ /* Adding microseconds for the MRT Extended Header */
+ if (type == MSG_PROTOCOL_BGP4MP_ET)
+ stream_putl (obuf, msecs);
}
static void
bgp_dump_set_size (struct stream *s, int type)
{
+ /*
+ * The BGP_DUMP_HEADER_SIZE stay at 12 event when ET:
+ * "The Microsecond Timestamp is included in the computation
+ * of the Length field value." (RFC6396 2011)
+ */
stream_putl_at (s, 8, stream_get_endp (s) - BGP_DUMP_HEADER_SIZE);
}
@@ -204,7 +232,8 @@
stream_reset (obuf);
/* MRT header */
- bgp_dump_header (obuf, MSG_TABLE_DUMP_V2, TABLE_DUMP_V2_PEER_INDEX_TABLE);
+ bgp_dump_header (obuf, MSG_TABLE_DUMP_V2, TABLE_DUMP_V2_PEER_INDEX_TABLE,
+ BGP_DUMP_ROUTES);
/* Collector BGP ID */
stream_put_in_addr (obuf, &bgp->router_id);
@@ -232,12 +261,10 @@
{
stream_putc (obuf, TABLE_DUMP_V2_PEER_INDEX_TABLE_AS4+TABLE_DUMP_V2_PEER_INDEX_TABLE_IP);
}
-#ifdef HAVE_IPV6
else if (sockunion_family(&peer->su) == AF_INET6)
{
stream_putc (obuf, TABLE_DUMP_V2_PEER_INDEX_TABLE_AS4+TABLE_DUMP_V2_PEER_INDEX_TABLE_IP6);
}
-#endif /* HAVE_IPV6 */
/* Peer's BGP ID */
stream_put_in_addr (obuf, &peer->remote_id);
@@ -247,13 +274,11 @@
{
stream_put_in_addr (obuf, &peer->su.sin.sin_addr);
}
-#ifdef HAVE_IPV6
else if (sockunion_family(&peer->su) == AF_INET6)
{
stream_write (obuf, (u_char *)&peer->su.sin6.sin6_addr,
IPV6_MAX_BYTELEN);
}
-#endif /* HAVE_IPV6 */
/* Peer's AS number. */
/* Note that, as this is an AS4 compliant quagga, the RIB is always AS4 */
@@ -309,15 +334,11 @@
/* MRT header */
if (afi == AFI_IP)
- {
- bgp_dump_header (obuf, MSG_TABLE_DUMP_V2, TABLE_DUMP_V2_RIB_IPV4_UNICAST);
- }
-#ifdef HAVE_IPV6
+ bgp_dump_header (obuf, MSG_TABLE_DUMP_V2, TABLE_DUMP_V2_RIB_IPV4_UNICAST,
+ BGP_DUMP_ROUTES);
else if (afi == AFI_IP6)
- {
- bgp_dump_header (obuf, MSG_TABLE_DUMP_V2, TABLE_DUMP_V2_RIB_IPV6_UNICAST);
- }
-#endif /* HAVE_IPV6 */
+ bgp_dump_header (obuf, MSG_TABLE_DUMP_V2, TABLE_DUMP_V2_RIB_IPV6_UNICAST,
+ BGP_DUMP_ROUTES);
/* Sequence number */
stream_putl(obuf, seq);
@@ -331,13 +352,11 @@
/* We'll dump only the useful bits (those not 0), but have to align on 8 bits */
stream_write(obuf, (u_char *)&rn->p.u.prefix4, (rn->p.prefixlen+7)/8);
}
-#ifdef HAVE_IPV6
else if (afi == AFI_IP6)
{
/* We'll dump only the useful bits (those not 0), but have to align on 8 bits */
stream_write (obuf, (u_char *)&rn->p.u.prefix6, (rn->p.prefixlen+7)/8);
}
-#endif /* HAVE_IPV6 */
/* Save where we are now, so we can overwride the entry count later */
int sizep = stream_get_endp(obuf);
@@ -396,9 +415,7 @@
if (bgp_dump->type == BGP_DUMP_ROUTES)
{
unsigned int seq = bgp_dump_routes_func (AFI_IP, 1, 0);
-#ifdef HAVE_IPV6
bgp_dump_routes_func (AFI_IP6, 0, seq);
-#endif /* HAVE_IPV6 */
/* Close the file now. For a RIB dump there's no point in leaving
* it open until the next scheduled dump starts. */
fclose(bgp_dump->fp); bgp_dump->fp = NULL;
@@ -442,7 +459,6 @@
else
stream_put (obuf, empty, IPV4_MAX_BYTELEN);
}
-#ifdef HAVE_IPV6
else if (peer->su.sa.sa_family == AF_INET6)
{
/* Interface Index and Address family. */
@@ -457,7 +473,6 @@
else
stream_put (obuf, empty, IPV6_MAX_BYTELEN);
}
-#endif /* HAVE_IPV6 */
}
/* Dump BGP status change. */
@@ -474,7 +489,8 @@
obuf = bgp_dump_obuf;
stream_reset (obuf);
- bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_STATE_CHANGE_AS4);
+ bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_STATE_CHANGE_AS4,
+ bgp_dump_all.type);
bgp_dump_common (obuf, peer, 1);/* force this in as4speak*/
stream_putw (obuf, status_old);
@@ -505,11 +521,13 @@
/* Dump header and common part. */
if (CHECK_FLAG (peer->cap, PEER_CAP_AS4_RCV) )
{
- bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_MESSAGE_AS4);
+ bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_MESSAGE_AS4,
+ bgp_dump->type);
}
else
{
- bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_MESSAGE);
+ bgp_dump_header (obuf, MSG_PROTOCOL_BGP4MP, BGP4MP_MESSAGE,
+ bgp_dump->type);
}
bgp_dump_common (obuf, peer, 0);
@@ -590,9 +608,28 @@
{
unsigned int interval;
+ /* Don't schedule duplicate dumps if the dump command is given twice */
+ if (bgp_dump->filename && strcmp(path, bgp_dump->filename) == 0
+ && type == bgp_dump->type)
+ {
+ if (interval_str)
+ {
+ if (bgp_dump->interval_str &&
+ strcmp(bgp_dump->interval_str, interval_str) == 0)
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ if (!bgp_dump->interval_str)
+ return CMD_SUCCESS;
+ }
+ }
+
+ /* Removing previous config */
+ bgp_dump_unset(vty, bgp_dump);
+
if (interval_str)
{
-
/* Check interval string. */
interval = bgp_dump_parse_time (interval_str);
if (interval == 0)
@@ -601,37 +638,26 @@
return CMD_WARNING;
}
- /* Don't schedule duplicate dumps if the dump command is given twice */
- if (interval == bgp_dump->interval &&
- type == bgp_dump->type &&
- path && bgp_dump->filename && !strcmp (path, bgp_dump->filename))
- {
- return CMD_SUCCESS;
- }
-
- /* Set interval. */
- bgp_dump->interval = interval;
- if (bgp_dump->interval_str)
- free (bgp_dump->interval_str);
+ /* Setting interval string */
bgp_dump->interval_str = strdup (interval_str);
-
}
else
{
interval = 0;
}
-
- /* Create interval thread. */
- bgp_dump_interval_add (bgp_dump, interval);
/* Set type. */
bgp_dump->type = type;
+ /* Set interval */
+ bgp_dump->interval = interval;
+
/* Set file name. */
- if (bgp_dump->filename)
- free (bgp_dump->filename);
bgp_dump->filename = strdup (path);
+ /* Create interval thread. */
+ bgp_dump_interval_add (bgp_dump, interval);
+
/* This should be called when interval is expired. */
bgp_dump_open_file (bgp_dump);
@@ -641,21 +667,21 @@
static int
bgp_dump_unset (struct vty *vty, struct bgp_dump *bgp_dump)
{
- /* Set file name. */
+ /* Removing file name. */
if (bgp_dump->filename)
{
free (bgp_dump->filename);
bgp_dump->filename = NULL;
}
- /* This should be called when interval is expired. */
+ /* Closing file. */
if (bgp_dump->fp)
{
fclose (bgp_dump->fp);
bgp_dump->fp = NULL;
}
- /* Create interval thread. */
+ /* Removing interval thread. */
if (bgp_dump->t_interval)
{
thread_cancel (bgp_dump->t_interval);
@@ -664,118 +690,73 @@
bgp_dump->interval = 0;
+ /* Removing interval string. */
if (bgp_dump->interval_str)
{
free (bgp_dump->interval_str);
bgp_dump->interval_str = NULL;
}
-
return CMD_SUCCESS;
}
DEFUN (dump_bgp_all,
dump_bgp_all_cmd,
- "dump bgp all PATH",
+ "dump bgp (all|all-et|updates|updates-et|routes-mrt) PATH [INTERVAL]",
"Dump packet\n"
"BGP packet dump\n"
- "Dump all BGP packets\n"
- "Output filename\n")
-{
- return bgp_dump_set (vty, &bgp_dump_all, BGP_DUMP_ALL, argv[0], NULL);
-}
-
-DEFUN (dump_bgp_all_interval,
- dump_bgp_all_interval_cmd,
- "dump bgp all PATH INTERVAL",
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump all BGP packets\n"
+ "Dump all BGP packets\nDump all BGP packets (Extended Tiemstamp Header)\n"
+ "Dump BGP updates only\nDump BGP updates only (Extended Tiemstamp Header)\n"
+ "Dump whole BGP routing table\n"
"Output filename\n"
"Interval of output\n")
{
- return bgp_dump_set (vty, &bgp_dump_all, BGP_DUMP_ALL, argv[0], argv[1]);
+ int bgp_dump_type = 0;
+ const char *interval = NULL;
+ struct bgp_dump *bgp_dump_struct = NULL;
+ const struct bgp_dump_type_map *map = NULL;
+
+ for (map = bgp_dump_type_map; map->str; map++)
+ if (strcmp(argv[0], map->str) == 0)
+ bgp_dump_type = map->type;
+
+ switch (bgp_dump_type)
+ {
+ case BGP_DUMP_ALL:
+ case BGP_DUMP_ALL_ET:
+ bgp_dump_struct = &bgp_dump_all;
+ break;
+ case BGP_DUMP_UPDATES:
+ case BGP_DUMP_UPDATES_ET:
+ bgp_dump_struct = &bgp_dump_updates;
+ break;
+ case BGP_DUMP_ROUTES:
+ default:
+ bgp_dump_struct = &bgp_dump_routes;
+ break;
+ }
+
+ /* When an interval is given */
+ if (argc == 3)
+ interval = argv[2];
+
+ return bgp_dump_set (vty, bgp_dump_struct, bgp_dump_type,
+ argv[1], interval);
}
DEFUN (no_dump_bgp_all,
no_dump_bgp_all_cmd,
- "no dump bgp all [PATH] [INTERVAL]",
+ "no dump bgp (all|updates|routes-mrt) [PATH] [INTERVAL]",
NO_STR
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump all BGP packets\n")
+ "Stop dump packet\n"
+ "Stop BGP packet dump\n"
+ "Stop dump process all/all-et\n"
+ "Stop dump process updates/updates-et\n"
+ "Stop dump process route-mrt\n")
{
return bgp_dump_unset (vty, &bgp_dump_all);
}
-DEFUN (dump_bgp_updates,
- dump_bgp_updates_cmd,
- "dump bgp updates PATH",
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump BGP updates only\n"
- "Output filename\n")
-{
- return bgp_dump_set (vty, &bgp_dump_updates, BGP_DUMP_UPDATES, argv[0], NULL);
-}
-
-DEFUN (dump_bgp_updates_interval,
- dump_bgp_updates_interval_cmd,
- "dump bgp updates PATH INTERVAL",
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump BGP updates only\n"
- "Output filename\n"
- "Interval of output\n")
-{
- return bgp_dump_set (vty, &bgp_dump_updates, BGP_DUMP_UPDATES, argv[0], argv[1]);
-}
-
-DEFUN (no_dump_bgp_updates,
- no_dump_bgp_updates_cmd,
- "no dump bgp updates [PATH] [INTERVAL]",
- NO_STR
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump BGP updates only\n")
-{
- return bgp_dump_unset (vty, &bgp_dump_updates);
-}
-
-DEFUN (dump_bgp_routes,
- dump_bgp_routes_cmd,
- "dump bgp routes-mrt PATH",
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump whole BGP routing table\n"
- "Output filename\n")
-{
- return bgp_dump_set (vty, &bgp_dump_routes, BGP_DUMP_ROUTES, argv[0], NULL);
-}
-
-DEFUN (dump_bgp_routes_interval,
- dump_bgp_routes_interval_cmd,
- "dump bgp routes-mrt PATH INTERVAL",
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump whole BGP routing table\n"
- "Output filename\n"
- "Interval of output\n")
-{
- return bgp_dump_set (vty, &bgp_dump_routes, BGP_DUMP_ROUTES, argv[0], argv[1]);
-}
-
-DEFUN (no_dump_bgp_routes,
- no_dump_bgp_routes_cmd,
- "no dump bgp routes-mrt [PATH] [INTERVAL]",
- NO_STR
- "Dump packet\n"
- "BGP packet dump\n"
- "Dump whole BGP routing table\n")
-{
- return bgp_dump_unset (vty, &bgp_dump_routes);
-}
-
/* BGP node structure. */
static struct cmd_node bgp_dump_node =
{
@@ -815,18 +796,26 @@
{
if (bgp_dump_all.filename)
{
+ const char *type_str = "all";
+ if (bgp_dump_all.type == BGP_DUMP_ALL_ET)
+ type_str = "all-et";
+
if (bgp_dump_all.interval_str)
- vty_out (vty, "dump bgp all %s %s%s",
+ vty_out (vty, "dump bgp %s %s %s%s", type_str,
bgp_dump_all.filename, bgp_dump_all.interval_str,
VTY_NEWLINE);
else
- vty_out (vty, "dump bgp all %s%s",
+ vty_out (vty, "dump bgp %s %s%s", type_str,
bgp_dump_all.filename, VTY_NEWLINE);
}
if (bgp_dump_updates.filename)
{
+ const char *type_str = "updates";
+ if (bgp_dump_updates.type == BGP_DUMP_UPDATES_ET)
+ type_str = "updates-et";
+
if (bgp_dump_updates.interval_str)
- vty_out (vty, "dump bgp updates %s %s%s",
+ vty_out (vty, "dump bgp %s %s %s%s", type_str,
bgp_dump_updates.filename, bgp_dump_updates.interval_str,
VTY_NEWLINE);
else
@@ -839,9 +828,6 @@
vty_out (vty, "dump bgp routes-mrt %s %s%s",
bgp_dump_routes.filename, bgp_dump_routes.interval_str,
VTY_NEWLINE);
- else
- vty_out (vty, "dump bgp routes-mrt %s%s",
- bgp_dump_routes.filename, VTY_NEWLINE);
}
return 0;
}
@@ -860,14 +846,7 @@
install_node (&bgp_dump_node, config_write_bgp_dump);
install_element (CONFIG_NODE, &dump_bgp_all_cmd);
- install_element (CONFIG_NODE, &dump_bgp_all_interval_cmd);
install_element (CONFIG_NODE, &no_dump_bgp_all_cmd);
- install_element (CONFIG_NODE, &dump_bgp_updates_cmd);
- install_element (CONFIG_NODE, &dump_bgp_updates_interval_cmd);
- install_element (CONFIG_NODE, &no_dump_bgp_updates_cmd);
- install_element (CONFIG_NODE, &dump_bgp_routes_cmd);
- install_element (CONFIG_NODE, &dump_bgp_routes_interval_cmd);
- install_element (CONFIG_NODE, &no_dump_bgp_routes_cmd);
}
void
diff --git a/bgpd/bgp_dump.h b/bgpd/bgp_dump.h
index e097c78..d1e66d9 100644
--- a/bgpd/bgp_dump.h
+++ b/bgpd/bgp_dump.h
@@ -23,7 +23,9 @@
/* MRT compatible packet dump values. */
/* type value */
-#define MSG_PROTOCOL_BGP4MP 16
+#define MSG_PROTOCOL_BGP4MP 16
+#define MSG_PROTOCOL_BGP4MP_ET 17
+
/* subtype value */
#define BGP4MP_STATE_CHANGE 0
#define BGP4MP_MESSAGE 1
diff --git a/doc/appendix.texi b/doc/appendix.texi
index 87276c5..3904c5f 100644
--- a/doc/appendix.texi
+++ b/doc/appendix.texi
@@ -30,6 +30,25 @@
@end group
@end example
+ If `type' is PROTOCOL_BGP4MP_ET, the common header format will
+contain an additional microsecond field (RFC6396 2011).
+
+@example
+@group
+0 1 2 3
+0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+| Time |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+| Type | Subtype |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+| Length |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+| Microsecond |
++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+@end group
+@end example
+
If `type' is PROTOCOL_BGP4MP, `subtype' is BGP4MP_STATE_CHANGE, and
Address Family == IP (version 4)
@@ -227,7 +246,8 @@
@group
Constants:
/* type value */
- #define MSG_PROTOCOL_BGP4MP 16
+ #define MSG_PROTOCOL_BGP4MP 16
+ #define MSG_PROTOCOL_BGP4MP_ET 17
/* subtype value */
#define BGP4MP_STATE_CHANGE 0
#define BGP4MP_MESSAGE 1
diff --git a/doc/bgpd.texi b/doc/bgpd.texi
index 7d92b5e..5eb0851 100644
--- a/doc/bgpd.texi
+++ b/doc/bgpd.texi
@@ -1326,21 +1326,36 @@
@node Dump BGP packets and table
@section Dump BGP packets and table
-@deffn Command {dump bgp all @var{path}} {}
-@deffnx Command {dump bgp all @var{path} @var{interval}} {}
+@deffn Command {dump bgp all @var{path} [@var{interval}]} {}
+@deffnx Command {dump bgp all-et @var{path} [@var{interval}]} {}
+@deffnx Command {no dump bgp all [@var{path}] [@var{interval}]} {}
Dump all BGP packet and events to @var{path} file.
+If @var{interval} is set, a new file will be created for echo @var{interval} of seconds.
+The path @var{path} can be set with date and time formatting (strftime).
+The type ‘all-et’ enables support for Extended Timestamp Header (@pxref{Packet Binary Dump Format}).
+(@pxref{Packet Binary Dump Format})
@end deffn
-@deffn Command {dump bgp updates @var{path}} {}
-@deffnx Command {dump bgp updates @var{path} @var{interval}} {}
-Dump BGP updates to @var{path} file.
+@deffn Command {dump bgp updates @var{path} [@var{interval}]} {}
+@deffnx Command {dump bgp updates-et @var{path} [@var{interval}]} {}
+@deffnx Command {no dump bgp updates [@var{path}] [@var{interval}]} {}
+Dump only BGP updates messages to @var{path} file.
+If @var{interval} is set, a new file will be created for echo @var{interval} of seconds.
+The path @var{path} can be set with date and time formatting (strftime).
+The type ‘updates-et’ enables support for Extended Timestamp Header (@pxref{Packet Binary Dump Format}).
@end deffn
-@deffn Command {dump bgp routes @var{path}} {}
-@deffnx Command {dump bgp routes @var{path}} {}
+@deffn Command {dump bgp routes-mrt @var{path}} {}
+@deffnx Command {dump bgp routes-mrt @var{path} @var{interval}} {}
+@deffnx Command {no dump bgp route-mrt [@var{path}] [@var{interval}]} {}
Dump whole BGP routing table to @var{path}. This is heavy process.
+The path @var{path} can be set with date and time formatting (strftime).
+If @var{interval} is set, a new file will be created for echo @var{interval} of seconds.
@end deffn
+Note: the interval variable can also be set using hours and minutes: 04h20m00.
+
+
@node BGP Configuration Examples
@section BGP Configuration Examples