* bgpd.[ch], bgp_vty.c, bgp_route.c: "Restart session after
maximum-prefix limit" feature support.
[merge from GNU Zebra]
diff --git a/bgpd/bgp_vty.c b/bgpd/bgp_vty.c
index b94e66b..02f8e4c 100644
--- a/bgpd/bgp_vty.c
+++ b/bgpd/bgp_vty.c
@@ -3569,12 +3569,14 @@
int
peer_maximum_prefix_set_vty (struct vty *vty, const char *ip_str, afi_t afi,
safi_t safi, const char *num_str,
- const char *threshold_str, int warning)
+ const char *threshold_str, int warning,
+ const char *restart_str)
{
int ret;
struct peer *peer;
u_int32_t max;
u_char threshold;
+ u_int16_t restart;
peer = peer_and_group_lookup_vty (vty, ip_str);
if (! peer)
@@ -3586,7 +3588,12 @@
else
threshold = MAXIMUM_PREFIX_THRESHOLD_DEFAULT;
- ret = peer_maximum_prefix_set (peer, afi, safi, max, threshold, warning);
+ if (restart_str)
+ restart = atoi (restart_str);
+ else
+ restart = 0;
+
+ ret = peer_maximum_prefix_set (peer, afi, safi, max, threshold, warning, restart);
return bgp_vty_return (vty, ret);
}
@@ -3619,7 +3626,8 @@
"maximum no. of prefix limit\n")
{
return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty),
- bgp_node_safi (vty), argv[1], NULL, 0);
+ bgp_node_safi (vty), argv[1], NULL, 0,
+ NULL);
}
DEFUN (neighbor_maximum_prefix_threshold,
@@ -3632,8 +3640,9 @@
"Threshold value (%) at which to generate a warning msg\n")
{
return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty),
- bgp_node_safi (vty), argv[1], argv[2], 0);
- }
+ bgp_node_safi (vty), argv[1], argv[2], 0,
+ NULL);
+}
DEFUN (neighbor_maximum_prefix_warning,
neighbor_maximum_prefix_warning_cmd,
@@ -3645,7 +3654,8 @@
"Only give warning message when limit is exceeded\n")
{
return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty),
- bgp_node_safi (vty), argv[1], NULL, 1);
+ bgp_node_safi (vty), argv[1], NULL, 1,
+ NULL);
}
DEFUN (neighbor_maximum_prefix_threshold_warning,
@@ -3659,8 +3669,37 @@
"Only give warning message when limit is exceeded\n")
{
return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty),
- bgp_node_safi (vty), argv[1], argv[2], 1);
- }
+ bgp_node_safi (vty), argv[1], argv[2], 1, NULL);
+}
+
+DEFUN (neighbor_maximum_prefix_restart,
+ neighbor_maximum_prefix_restart_cmd,
+ NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> restart <1-65535>",
+ NEIGHBOR_STR
+ NEIGHBOR_ADDR_STR2
+ "Maximum number of prefix accept from this peer\n"
+ "maximum no. of prefix limit\n"
+ "Restart bgp connection after limit is exceeded\n"
+ "Restart interval in minutes")
+{
+ return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty),
+ bgp_node_safi (vty), argv[1], NULL, 0, argv[2]);
+}
+
+DEFUN (neighbor_maximum_prefix_threshold_restart,
+ neighbor_maximum_prefix_threshold_restart_cmd,
+ NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> <1-100> restart <1-65535>",
+ NEIGHBOR_STR
+ NEIGHBOR_ADDR_STR2
+ "Maximum number of prefix accept from this peer\n"
+ "maximum no. of prefix limit\n"
+ "Threshold value (%) at which to generate a warning msg\n"
+ "Restart bgp connection after limit is exceeded\n"
+ "Restart interval in minutes")
+{
+ return peer_maximum_prefix_set_vty (vty, argv[0], bgp_node_afi (vty),
+ bgp_node_safi (vty), argv[1], argv[2], 0, argv[3]);
+}
DEFUN (no_neighbor_maximum_prefix,
no_neighbor_maximum_prefix_cmd,
@@ -3684,7 +3723,27 @@
"maximum no. of prefix limit\n")
ALIAS (no_neighbor_maximum_prefix,
- no_neighbor_maximum_prefix_val2_cmd,
+ no_neighbor_maximum_prefix_threshold_cmd,
+ NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> warning-only",
+ NO_STR
+ NEIGHBOR_STR
+ NEIGHBOR_ADDR_STR2
+ "Maximum number of prefix accept from this peer\n"
+ "maximum no. of prefix limit\n"
+ "Threshold value (%) at which to generate a warning msg\n")
+
+ALIAS (no_neighbor_maximum_prefix,
+ no_neighbor_maximum_prefix_warning_cmd,
+ NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> warning-only",
+ NO_STR
+ NEIGHBOR_STR
+ NEIGHBOR_ADDR_STR2
+ "Maximum number of prefix accept from this peer\n"
+ "maximum no. of prefix limit\n"
+ "Only give warning message when limit is exceeded\n");
+
+ALIAS (no_neighbor_maximum_prefix,
+ no_neighbor_maximum_prefix_threshold_warning_cmd,
NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> <1-100> warning-only",
NO_STR
NEIGHBOR_STR
@@ -3692,17 +3751,30 @@
"Maximum number of prefix accept from this peer\n"
"maximum no. of prefix limit\n"
"Threshold value (%) at which to generate a warning msg\n"
- "Only give warning message when limit is exceeded\n")
+ "Only give warning message when limit is exceeded\n");
ALIAS (no_neighbor_maximum_prefix,
- no_neighbor_maximum_prefix_val3_cmd,
- NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> warning-only",
+ no_neighbor_maximum_prefix_restart_cmd,
+ NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> restart <1-65535>",
NO_STR
NEIGHBOR_STR
NEIGHBOR_ADDR_STR2
"Maximum number of prefix accept from this peer\n"
"maximum no. of prefix limit\n"
- "Only give warning message when limit is exceeded\n")
+ "Restart bgp connection after limit is exceeded\n"
+ "Restart interval in minutes")
+
+ALIAS (no_neighbor_maximum_prefix,
+ no_neighbor_maximum_prefix_threshold_restart_cmd,
+ NO_NEIGHBOR_CMD2 "maximum-prefix <1-4294967295> <1-100> restart <1-65535>",
+ NO_STR
+ NEIGHBOR_STR
+ NEIGHBOR_ADDR_STR2
+ "Maximum number of prefix accept from this peer\n"
+ "maximum no. of prefix limit\n"
+ "Threshold value (%) at which to generate a warning msg\n"
+ "Restart bgp connection after limit is exceeded\n"
+ "Restart interval in minutes")
/* "neighbor allowas-in" */
DEFUN (neighbor_allowas_in,
@@ -6860,11 +6932,14 @@
/* Maximum prefix */
if (CHECK_FLAG (p->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX))
{
- vty_out (vty, " maximum limit %ld%s%s", p->pmax[afi][safi],
+ vty_out (vty, " Maximum prefixes allowed %ld%s%s", p->pmax[afi][safi],
CHECK_FLAG (p->af_flags[afi][safi], PEER_FLAG_MAX_PREFIX_WARNING)
- ? " (warning-only)" : "", VTY_NEWLINE);
- vty_out (vty, " Threshold for warning message %d%%%s", p->pmax_threshold [afi][safi],
- VTY_NEWLINE);
+ ? " (warning-only)" : "", VTY_NEWLINE);
+ vty_out (vty, " Threshold for warning message %d%%",
+ p->pmax_threshold[afi][safi]);
+ if (p->pmax_restart[afi][safi])
+ vty_out (vty, ", restart interval %d min", p->pmax_restart[afi][safi]);
+ vty_out (vty, "%s", VTY_NEWLINE);
}
vty_out (vty, "%s", VTY_NEWLINE);
@@ -7092,8 +7167,14 @@
if (CHECK_FLAG (p->sflags, PEER_STATUS_PREFIX_OVERFLOW))
{
vty_out (vty, " Peer had exceeded the max. no. of prefixes configured.%s", VTY_NEWLINE);
- vty_out (vty, " Reduce the no. of prefix and clear ip bgp %s to restore peering%s",
- p->host, VTY_NEWLINE);
+
+ if (p->t_pmax_restart)
+ vty_out (vty, " Reduce the no. of prefix from %s, will restart in %ld seconds%s",
+ p->host, thread_timer_remain_second (p->t_pmax_restart),
+ VTY_NEWLINE);
+ else
+ vty_out (vty, " Reduce the no. of prefix and clear ip bgp %s to restore peering%s",
+ p->host, VTY_NEWLINE);
}
/* EBGP Multihop */
@@ -8923,42 +9004,67 @@
install_element (BGP_NODE, &neighbor_maximum_prefix_threshold_cmd);
install_element (BGP_NODE, &neighbor_maximum_prefix_warning_cmd);
install_element (BGP_NODE, &neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_NODE, &neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_NODE, &neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_NODE, &no_neighbor_maximum_prefix_cmd);
install_element (BGP_NODE, &no_neighbor_maximum_prefix_val_cmd);
- install_element (BGP_NODE, &no_neighbor_maximum_prefix_val2_cmd);
- install_element (BGP_NODE, &no_neighbor_maximum_prefix_val3_cmd);
+ install_element (BGP_NODE, &no_neighbor_maximum_prefix_threshold_cmd);
+ install_element (BGP_NODE, &no_neighbor_maximum_prefix_warning_cmd);
+ install_element (BGP_NODE, &no_neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_NODE, &no_neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_NODE, &no_neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_cmd);
install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_threshold_cmd);
install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_warning_cmd);
install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_IPV4_NODE, &neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_cmd);
install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_val_cmd);
- install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_val2_cmd);
- install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_val3_cmd);
+ install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_threshold_cmd);
+ install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_warning_cmd);
+ install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_IPV4_NODE, &no_neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_cmd);
install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_threshold_cmd);
install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_warning_cmd);
install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_IPV4M_NODE, &neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_cmd);
install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_val_cmd);
- install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_val2_cmd);
- install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_val3_cmd);
+ install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_threshold_cmd);
+ install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_warning_cmd);
+ install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_IPV4M_NODE, &no_neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_cmd);
install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_threshold_cmd);
install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_warning_cmd);
install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_IPV6_NODE, &neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_cmd);
install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_val_cmd);
- install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_val2_cmd);
- install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_val3_cmd);
+ install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_threshold_cmd);
+ install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_warning_cmd);
+ install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_IPV6_NODE, &no_neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_cmd);
install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_threshold_cmd);
install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_warning_cmd);
install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_VPNV4_NODE, &neighbor_maximum_prefix_threshold_restart_cmd);
install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_cmd);
install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_val_cmd);
- install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_val2_cmd);
- install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_val3_cmd);
+ install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_threshold_cmd);
+ install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_warning_cmd);
+ install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_threshold_warning_cmd);
+ install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_restart_cmd);
+ install_element (BGP_VPNV4_NODE, &no_neighbor_maximum_prefix_threshold_restart_cmd);
/* "neighbor allowas-in" */
install_element (BGP_NODE, &neighbor_allowas_in_cmd);