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bgpd: increase the maximum number of neighbors

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increase the maximum number of neighbors in a bgp group.
Set the maximum value to 50000 instead of 5000.

Signed-off-by: Philippe Guibert <philippe.guibert@6wind.com>
This commit is contained in:
Philippe Guibert 2021-03-31 17:51:34 +02:00
parent c3ac2e5498
commit 5b1b6b8bb2
4 changed files with 13 additions and 4 deletions
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4
bgpd/bgp_vty.c
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@ -3990,7 +3990,7 @@ void cli_show_router_global_neighbor_config(struct vty *vty,
DEFUN_YANG(bgp_listen_limit, DEFUN_YANG(bgp_listen_limit,
bgp_listen_limit_cmd, bgp_listen_limit_cmd,
"bgp listen limit (1-5000)", "bgp listen limit (1-65535)",
"BGP specific commands\n" "BGP specific commands\n"
"BGP Dynamic Neighbors listen commands\n" "BGP Dynamic Neighbors listen commands\n"
"Maximum number of BGP Dynamic Neighbors that can be created\n" "Maximum number of BGP Dynamic Neighbors that can be created\n"
@ -4007,7 +4007,7 @@ DEFUN_YANG(bgp_listen_limit,
DEFUN_YANG(no_bgp_listen_limit, DEFUN_YANG(no_bgp_listen_limit,
no_bgp_listen_limit_cmd, no_bgp_listen_limit_cmd,
"no bgp listen limit [(1-5000)]", "no bgp listen limit [(1-65535)]",
NO_STR NO_STR
"BGP specific commands\n" "BGP specific commands\n"
"BGP Dynamic Neighbors listen commands\n" "BGP Dynamic Neighbors listen commands\n"

2
bgpd/bgpd.h
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@ -1824,7 +1824,7 @@ struct bgp_nlri {
/* BGP Dynamic Neighbors feature */ /* BGP Dynamic Neighbors feature */
#define BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT 100 #define BGP_DYNAMIC_NEIGHBORS_LIMIT_DEFAULT 100
#define BGP_DYNAMIC_NEIGHBORS_LIMIT_MIN 1 #define BGP_DYNAMIC_NEIGHBORS_LIMIT_MIN 1
#define BGP_DYNAMIC_NEIGHBORS_LIMIT_MAX 5000 #define BGP_DYNAMIC_NEIGHBORS_LIMIT_MAX 65535
/* Flag for peer_clear_soft(). */ /* Flag for peer_clear_soft(). */
enum bgp_clear_type { enum bgp_clear_type {

9
doc/user/bgp.rst
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@ -1363,6 +1363,15 @@ Defining Peers
``net.core.optmem_max`` to allow the kernel to allocate the necessary option ``net.core.optmem_max`` to allow the kernel to allocate the necessary option
memory. memory.
.. clicmd:: bgp listen limit <1-65535>
Define the maximum number of peers accepted for one BGP instance. This
limit is set to 100 by default. Increasing this value will really be
possible if more file descriptors are available in the BGP process. This
value is defined by the underlying system (ulimit value), and can be
overriden by `--limit-fds`. More information is available in chapter
(:ref:`common-invocation-options`).
.. clicmd:: coalesce-time (0-4294967295) .. clicmd:: coalesce-time (0-4294967295)
The time in milliseconds that BGP will delay before deciding what peers The time in milliseconds that BGP will delay before deciding what peers

2
yang/frr-bgp-common.yang
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@ -393,7 +393,7 @@ submodule frr-bgp-common {
container global-neighbor-config { container global-neighbor-config {
leaf dynamic-neighbors-limit { leaf dynamic-neighbors-limit {
type uint32 { type uint32 {
range "1..5000"; range "1..65535";
} }
description description
"Maximum number of BGP Dynamic Neighbors that can be created."; "Maximum number of BGP Dynamic Neighbors that can be created.";