How to disable network interface?

Please follow these steps:

1. Connect to your server via SSH

2. Use this command to disable interface:

ifconfig eth1 down

NOTE: change "eth1" to interface which you want to disable.

3. If you want to disable an interface permanently so that it would not be loaded after reboot:

mcedit /etc/sysconfig/network-scripts/ifcfg-eth1

and change:

ONBOOT=yes

to

ONBOOT=no

Press F2 to save changes.