[CentOS] Disabling IPv4

Barry Brimer lists at brimer.org
Mon Aug 18 15:01:14 UTC 2008

Quoting Robert Moskowitz <rgm at htt-consult.com>:

> I want to seriously work with IPv6 and not have stray IPv4 functions
> messing with me.
> So in /etc/sysconfig/network, I commented out NETWORKING=yes.  I have
> In /etc/sysconfig/network-scripts I altered ifcfg-eth0, setting
> BOOTPROTO=none.  That was enough for eth0 to only have IPv6 working on
> it (have IPV6INIT=yes and IPV6_AUTOCONF=yes).
> But lo had IPv4.  So I commented out all of the IPV4 lines in ifcfg-lo.
> Still have IPv4 on lo.  How do I disable that?

Try adding "alias net-pf-2 off" to your /etc/modprobe.conf

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