enable TCP ECN by default (see #3001 for more information)

SVN-Revision: 12334

package/base-files/files/etc/sysctl.conf

@@ -4,6 +4,7 @@ net.ipv4.conf.all.arp_ignore=1
 net.ipv4.ip_forward=1
 net.ipv4.icmp_echo_ignore_broadcasts=1
 net.ipv4.icmp_ignore_bogus_error_responses=1
+net.ipv4.tcp_ecn=1 
 net.ipv4.tcp_fin_timeout=30
 net.ipv4.tcp_keepalive_time=120
 net.ipv4.tcp_syncookies=1