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options nf_conntrack ip_conntrack_disable_ve0=1
in <code>/etc/modules.conf</code>, <code>/etc/modprobe.conf</code>, or any file under <code>/etc/modprobe.d/</code> (such as <code>/etc/modprobe.d/parallelsvz.conf</code>). '''If there is such a line, please'''
#change <code>=1</code> to <code>=0</code>
#reboot the node.
[https://bugs.launchpad.net/ubuntu/+source/procps/+bug/84537 Launchpad]
The syntax of /etc/sysctl.conf has changed to :
<pre>net.ipv4.conf.default.forwarding=1
net.ipv4.conf.all.forwarding=1</pre>
===Enable iptables in OpenVZ 7/Virtuozzo 7=== If you use OpenVZ 7/Virtuozzo 7 and want to manage iptables through iptables-services you must disable firewalld and enable iptables.:
# systemctl stop firewalld
