From 21bc50eba633f22e4b5ceab9385fc2c208e7b6c0 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 27 Jun 2012 22:32:44 +0000 Subject: [PATCH] =?utf8?q?base-files:=20enable=20TCP=20timestamps,=20enabl?= =?utf8?q?e=20sack/dsack.=20(patch=20by=20Dave=20T=C3=A4ht)?= MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit A year of testing in the cerowrt project shows not using timestamps to be a very bad idea in nearly any TCP at speeds above a few Mbit. Lastly sack/dsack help on recovery from larger amounts of packet loss. SVN-Revision: 32513 --- package/base-files/files/etc/sysctl.conf | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/package/base-files/files/etc/sysctl.conf b/package/base-files/files/etc/sysctl.conf index 2d970008fb..b39bc5747f 100644 --- a/package/base-files/files/etc/sysctl.conf +++ b/package/base-files/files/etc/sysctl.conf @@ -8,7 +8,9 @@ net.ipv4.tcp_ecn=0 net.ipv4.tcp_fin_timeout=30 net.ipv4.tcp_keepalive_time=120 net.ipv4.tcp_syncookies=1 -net.ipv4.tcp_timestamps=0 +net.ipv4.tcp_timestamps=1 +net.ipv4.tcp_sack=1 +net.ipv4.tcp_dsack=1 net.ipv4.netfilter.ip_conntrack_checksum=0 net.ipv4.netfilter.ip_conntrack_max=16384 -- 2.30.2