Network Configuration

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See Your Current Network Configuration

  /sbin/ifconfig (if you are not root)

Network Reconfiguration - Temporary Changes

ifconfig is the command to make changes to your networking.

    ifconfig (shows the current interface configuration)
    ifconfig eth0 up (brings eth0 interface up)
    ifconfig eth1 down (takes eth1 interface down)
    ifconfig eth0 netmask up (brings eth0 up with an IP of
    ifconfig eth0:1 netmask (adds a secondary IP address of to eth0)

Network Reconfiguration - Permanent Changes

If you need to change your eth0 configuration after an install, use netconfig


To reconfigure other network devices, you need to edit the /etc/rc.d/rc.inet1.conf files by hand. The file is very easy to figure out.

    vi /etc/rc.d/rc.inet1.conf

Make changes take effect immediately

To make the network changes immediately active:

    /etc/rc.d/rc.inet1 restart  (restarts all interfaces)
    /etc/rc.d/rc.inet1 eth0_restart  (restarts eth0)
    /etc/rc.d/rc.inet1 eth1_restart  (restarts eth1)