Re: need to disable IPv6

[Aleksey Cheusov <cheusov%tut.by@localhost>]

On Thu, Jun 28, 2012 at 10:58 AM, Takahiro Kambe 
<taca%back-street.net@localhost> wrote:
> In message 
> <CAK9rGbZ=BZr=f6XtNVUUWu4U11Uok0URsCoMaf8-T8jTb=Okzg%mail.gmail.com@localhost>
>        on Thu, 28 Jun 2012 11:50:46 +0300,
>        Aleksey Cheusov <cheusov%tut.by@localhost> wrote:
>> On Thu, Jun 28, 2012 at 10:48 AM, Takahiro Kambe 
>> <taca%back-street.net@localhost> wrote:
>>> What is your case?
>>
>> The following is sent to stderr both with and without -V.
>>
>> Trying 2001:470:1f05:3d::21:21 ...
>> ftp: Can't connect to `2001:470:1f05:3d::21:21': No route to host
> Then, ftp(1) should be fallback to IPv4, but it seems to not.
> I don't have any idea why it is, at least without knowning your
> Internet connection environment.
>
> Can you get IPv4 address of ftp.NetBSD.org?

Guys, ftp(1) works perfectly, after failing with ipv6
ftp(1) falls back to ipv4 and then everything works perfectly.
My local ipv4 network is also fine.

The problem is a garbage in stderr produced by ftp(1) and some others
and that we don't have an easy way to disable ipv6 in NetBSD.