[ILUG] Slow DNS Resolution under Mandrake 10.1

[Robert Synnott]

On Mon, 11 Oct 2004 22:46:58 +0100, fuzzbucket <fuzzbucket at eircom.net> wrote:
> 
> 
> Robert Synnott wrote:
> > Hi, am having a slight problem with mandrake 10.1; just set up a
> > machine, is working fine except for slow dns resolution (ethernet
> > connected to eircom adsl router); my other (Mandrake 9) machine is
> > working fine... Any Ideas? Thanks, Rob.
> 
> Mandrake 10.x using kernel 2.6.x introduced the use of IPv6 by default.
> This causes a few issues on IPv4 nets - take a look at tcpdump output.
>  From what I can gather it tried to resolve the domain with v6, times out
> and then trues v4. You can disable IPv6 by adding the following line to
> /etc/modprobe.conf:
> 
> alias net-pf-10 off
> 
> Everything should be back to normal after a reboot - I had problems with
> simply using rmmod ipv6 in this case, but you might have better luck.
> 
> --
> ICQ:139064407 Jabber:fuzzbucket at jabber.org Yahoo:rapidyokes
> 

Yep, that did it, thanks. I'd had trouble doing that on another
machine, but that turned out to be due to a different issue. As a
side-note, it's worth noting that the Mandrake 10.1 upgrade process
makes a mess of a Mandrake 10 system; you must manually remove devfsd,
which is no longer used...
Rob