[CentOS] Disabling IPv4

Robert Moskowitz rgm at htt-consult.com
Mon Aug 18 20:15:31 UTC 2008

Barry Brimer wrote:
> 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
I did that and rebooted.

Then did a ifconfig and lo is still showing an inet address of

and I can ping

So that tends to imply that ipv4 is still running.

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