diff options
Diffstat (limited to 'Documentation/networking/ip-sysctl.txt')
| -rw-r--r-- | Documentation/networking/ip-sysctl.txt | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index 32b21571adfe..acdfb5d2bcaa 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -108,8 +108,8 @@ neigh/default/gc_thresh2 - INTEGER Default: 512 neigh/default/gc_thresh3 - INTEGER - Maximum number of neighbor entries allowed. Increase this - when using large numbers of interfaces and when communicating + Maximum number of non-PERMANENT neighbor entries allowed. Increase + this when using large numbers of interfaces and when communicating with large numbers of directly-connected peers. Default: 1024 @@ -370,6 +370,7 @@ tcp_l3mdev_accept - BOOLEAN derived from the listen socket to be bound to the L3 domain in which the packets originated. Only valid when the kernel was compiled with CONFIG_NET_L3_MASTER_DEV. + Default: 0 (disabled) tcp_low_latency - BOOLEAN This is a legacy option, it has no effect anymore. @@ -758,7 +759,7 @@ tcp_limit_output_bytes - INTEGER flows, for typical pfifo_fast qdiscs. tcp_limit_output_bytes limits the number of bytes on qdisc or device to reduce artificial RTT/cwnd and reduce bufferbloat. - Default: 262144 + Default: 1048576 (16 * 65536) tcp_challenge_ack_limit - INTEGER Limits number of Challenge ACK sent per second, as recommended @@ -773,6 +774,7 @@ udp_l3mdev_accept - BOOLEAN being received regardless of the L3 domain in which they originated. Only valid when the kernel was compiled with CONFIG_NET_L3_MASTER_DEV. + Default: 0 (disabled) udp_mem - vector of 3 INTEGERs: min, pressure, max Number of pages allowed for queueing by all UDP sockets. @@ -799,6 +801,16 @@ udp_wmem_min - INTEGER total pages of UDP sockets exceed udp_mem pressure. The unit is byte. Default: 4K +RAW variables: + +raw_l3mdev_accept - BOOLEAN + Enabling this option allows a "global" bound socket to work + across L3 master domains (e.g., VRFs) with packets capable of + being received regardless of the L3 domain in which they + originated. Only valid when the kernel was compiled with + CONFIG_NET_L3_MASTER_DEV. + Default: 1 (enabled) + CIPSOv4 Variables: cipso_cache_enable - BOOLEAN |