IPV6INIT=no, but does anyway on local network

edwardspl at ita.org.mo edwardspl at ita.org.mo
Sat Oct 4 15:26:58 UTC 2008


Hello,

After FC8 System, there is no /etc/modprobe.conf ( default hand by
system ), the user may use the GUI ( NOT text mode ) tool or modify
ifcfg-eth* file for it...

Edward.

Ian Pilcher wrote:

>Gene Heskett wrote:
>  
>
>>How does one go about disabling that?
>>    
>>
>
>It's not easy.  The Linux kernel automatically assigns a link-local IPv6
>address to any interface that's brought up.  If you don't want to use
>IPv6 at all, you can use /etc/modprobe.conf to prevent the appropriate
>module from being loaded.  (ISTR that it used to be called net-pf-10,
>but that module doesn't seem to exist anymore; I'd try disabling the
>ipv6 module.)
>
>To get rid of the IPv6 address on a particular interface, you should be
>able to use some variation of 'ip addr ...'.
>
>The only way I know of to prevent the kernel from assigning an address
>when an interface is brought up is to set the MTU to a ridiculously low
>value before bringing the interface up.  If the MTU is too low for IPv6
>to work, the kernel won't assign the address.  Once the interface is up,
>you can set the MTU back to what you want and assign an IPv4 address (if
>desired).  Needless to say, this is an ugly hack, and it's not supported
>by the networking scripts.
>
>HTH
>
>  
>
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