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==== Configure devices in CT0 ====
The following steps are needed when the [[CT]] is '''not''' bridged to a [[CT0]] network interface. That is because the [[CT]] is connected to a virtual network that is "behind" [[CT0]]. [[CT0]] must forward packets between its physical network interface and the virtual network interface where [[CT]] is located. The first step below to configure the interface is not necessary if the container has been started, since the device will have been initialized.
<pre>
[host-node]# ifconfig veth101.0 0
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/veth101.0/forwarding
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/veth101.0/proxy_arp
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/eth0/forwarding
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/eth0/proxy_arp
</pre>
The following steps are needed when the [[CT]] is '''not''' bridged to a [[CT0]] network interface. That is because the [[CT]] is connected to a virtual network that is "behind" [[CT0]]. [[CT0]] must forward packets between its physical network interface and the virtual network interface where [[CT]] is located. The first step below to configure the interface is not necessary if the container has been started, since the device will have been initialized.
<pre>
[host-node]# ifconfig veth101.0 0
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/veth101.0/forwarding
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/veth101.0/proxy_arp
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/eth0/forwarding
[host-node]# echo 1 > /proc/sys/net/ipv4/conf/eth0/proxy_arp
</pre>