On 12.07.2013 23:53, Fernando Lozano wrote:
> Hi,
>> On 12.07.2013 18:44, Fernando Lozano wrote:
>> …
>>> So, ifconfig or ip or whatever would have to disable IPv6 for any
>>> interface that does not having an explicit IPv6 address. I'd think it
>>> would be easier to have the default eth*-cfg files and Network Manager
>>> disable IPv6 unless the user tells them to enable.
>> Looks like you're reading a lot of documents, so it wouldn't be bad to
>> also read these[1] quite simple guidelines.
>> Take into consideration that some of distro binaries are built with an
>> IPv6 on mind.
>>
>> [1] https://www.kernel.org/doc/Documentation/networking/ipv6.txt
> Your "guidelines" are none at all. Those are docs for a kernel module,
> their options. Important docs, but just "command reference", not guidelines.

Certainly, it's your understanding of the matter. :)

> Unfortunately those module options are currently not being honored (bug
> already opened). Changing those defaults (specifically, disabled=1 being
> the new default) would be a way to implement what I propose. But I guess
> it would not be easy for NetworkManager to change this and reload ipv6
> module. Maybe I'm wrong abou that.

What is written in the 'ipv6.txt' certainly works.
Posing as a network expert, it seems you don't understand such a simple
instruction. :)

> About binaries requiring ipv6, that's like expecting a package that
> needs a database to create the database as part of its install. Most
> ones I tried won't -- they will depend on the database client package,
> but will need the user/sysadmin to setup the database before starting
> the software included on the package. IPv6 disabled would be just like
> that: whoever installs something that requires IPv6 enabled would simply
> have to enable it.

The whole thing about the choice of version isn't simple at all.

> Defaults should suit most users. Not a minority that requires IPv6
> enabled and how how to manage it.

Are you a representative of the majority of users? :)
BTW, I recommend this issue to present to 'fedora-devel', otherwise
people will take all of this as a good joke. :)


poma


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