CLOUDSTACK-6908: Enable IPv6 in sysctl when only necessary

Sheng Yang · Sheng Yang · commit c181485ae596 · 2014-06-13T11:08:32.000-07:00
This new way would only enable IPv6 when VR is created in IPv6 shared network.
Otherwise IPv6 sysctl options remain disable.
diff --git a/systemvm/patches/debian/config/etc/init.d/cloud-early-config b/systemvm/patches/debian/config/etc/init.d/cloud-early-config
@@ -387,6 +387,7 @@ setup_interface() {
 
 setup_interface_ipv6() {
   sysctl net.ipv6.conf.all.disable_ipv6=0
+  sysctl net.ipv6.conf.all.forwarding=1
   sysctl net.ipv6.conf.all.accept_ra=1
   
   local intfnum=$1
diff --git a/systemvm/patches/debian/config/etc/sysctl.conf b/systemvm/patches/debian/config/etc/sysctl.conf
@@ -42,8 +42,8 @@ net.ipv4.tcp_max_tw_buckets=1000000
 net.core.somaxconn=1000000
 
 # Disable IPv6
-net.ipv6.conf.all.disable_ipv6 = 0
-net.ipv6.conf.all.forwarding = 1
-net.ipv6.conf.all.accept_ra = 1
+net.ipv6.conf.all.disable_ipv6 = 1
+net.ipv6.conf.all.forwarding = 0
+net.ipv6.conf.all.accept_ra = 0
 net.ipv6.conf.all.accept_redirects = 0
 net.ipv6.conf.all.autoconf = 0
