From: Stephen Soltesz <soltesz@cs.princeton.edu>
Date: Wed, 15 Apr 2009 18:25:51 +0000 (+0000)
Subject: add changes that permit window scaling by default
X-Git-Url: http://git.onelab.eu/?p=nodeconfig.git;a=commitdiff_plain;h=1288754a54a9b24c29073f01dce69cfc1854ea22

add changes that permit window scaling by default
---

diff --git a/PlanetLabConf/sysctl.php b/PlanetLabConf/sysctl.php
index edd8e86..d114525 100755
--- a/PlanetLabConf/sysctl.php
+++ b/PlanetLabConf/sysctl.php
@@ -57,7 +57,7 @@ kernel.core_uses_pid = 1
 # TCP window scaling and broken routers
 net.ipv4.tcp_moderate_rcvbuf=0
 net.ipv4.tcp_default_win_scale=0
-net.ipv4.tcp_window_scaling=0
+net.ipv4.tcp_window_scaling=1
 
 # Mark only out of window RST segments as INVALID. This setting, among
 # other things, allows data to be sent with SYN packets.
@@ -65,3 +65,13 @@ net.ipv4.netfilter.ip_conntrack_tcp_be_liberal=1
 
 # Fixes dst cache overflow bug
 net.ipv4.route.max_size=262144
+
+
+net.ipv4.tcp_congestion_control = cubic
+net.ipv4.tcp_moderate_rcvbuf = 0
+net.core.rmem_max = 131071
+net.core.wmem_max = 131071
+net.ipv4.tcp_rmem = 4096 87380 4194304
+net.ipv4.tcp_wmem = 4096 16384 4194304
+net.netfilter.nf_conntrack_icmp_timeout = 60
+