[CentOS] Disabling IPv4

Barry Brimer lists at brimer.org
Mon Aug 18 23:45:00 UTC 2008



On Mon, 18 Aug 2008, Robert Moskowitz wrote:

> 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.

I would agree with you.

Have you tried setting ONBOOT=no in 
/etc/sysconfig/network-scripts/ifcfg-lo ??

Barry


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