Documentation for sysctls tcp_mtu_probing and tcp_base_mss.
Signed-off-by: John Heffner <[EMAIL PROTECTED]>
---
commit 6da0563572e0a6d0abda9d950f30902844c37862
tree 6f21ae02c11a1340412a926e8e2f568f5ed3b5a8
parent 17cb799000caef3b2fed28cc5d0601bb2311efa8
author John Heffner <[EMAIL PROTECTED]> Mon, 26 Feb 2007 20:02:35 -0500
committer John Heffner <[EMAIL PROTECTED]> Mon, 26 Feb 2007 20:02:35 -0500
Documentation/networking/ip-sysctl.txt | 12 ++++++++++++
1 files changed, 12 insertions(+), 0 deletions(-)
diff --git a/Documentation/networking/ip-sysctl.txt
b/Documentation/networking/ip-sysctl.txt
index 891f389..d3aae1f 100644
--- a/Documentation/networking/ip-sysctl.txt
+++ b/Documentation/networking/ip-sysctl.txt
@@ -147,6 +147,11 @@ tcp_available_congestion_control - STRING
More congestion control algorithms may be available as modules,
but not loaded.
+tcp_base_mss - INTEGER
+ The initial value of search_low to be used by Packetization Layer
+ Path MTU Discovery (MTU probing). If MTU probing is enabled,
+ this is the inital MSS used by the connection.
+
tcp_congestion_control - STRING
Set the congestion control algorithm to be used for new
connections. The algorithm "reno" is always available, but
@@ -249,6 +254,13 @@ tcp_moderate_rcvbuf - BOOLEAN
match the size required by the path for full throughput. Enabled by
default.
+tcp_mtu_probing - INTEGER
+ Controls TCP Packetization-Layer Path MTU Discovery. Takes three
+ values:
+ 0 - Disabled
+ 1 - Disabled by default, enabled when an ICMP black hole detected
+ 2 - Always enabled, use initial MSS of tcp_base_mss.
+
tcp_no_metrics_save - BOOLEAN
By default, TCP saves various connection metrics in the route cache
when the connection closes, so that connections established in the
