[CentOS] Disabling IPv4

[Robert Moskowitz]

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
>> NETWORKING_IPV6=yes.
>>
>> 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 127.0.0.1

and I can ping 127.0.0.1

So that tends to imply that ipv4 is still running.