Page Comparison

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• Using the "ncu" utility
• Manually

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Using "ncu" utility to establish CHARON virtual network

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Enter "8" to quit the "ncu" utility.

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Manual configuration of CHARON virtual network 

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1. Login as "root" user.
   
   

2. Configure the physical network interface to run in promiscuous mode using the following command. This interface will be dedicated to the whole network bridge (created later).

   # ifconfig eth<N> 0.0.0.0 promisc up

   The promiscuous mode allows the physical (or virtual) network interface to accept the entire volume of incoming packets. This mode is essential for consistency of the information transfer.
   
   

3. In case the firewall is enabled on the host system, the following command should be executed to allow the bridge to forward IP packets:

   # /sbin/iptable -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT

   This command can also be performed from the bridge configuration script. It has to be executed each time the iptables service is (re)started.

   It is also possible to make this setting system-wide. Either:

   1. Issue the given command from the firewall control panel.

   2. Add the following line to the end of the "/etc/sysconfig/iptables" file:

      -I FORWARD -m physdev --physdev-is-bridged -j ACCEPT

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Virtual interface creation

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Bridge creation

To interconnect the physical and virtual network interfaces created in the previous step, the network bridge must be introduced in the following way:

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