On Friday 21 September 2007 18:56, Kevin Krammer wrote:
> Hi John,
>
> On Friday 21 September 2007, John wrote:
> > Hi
> > Think I've been here before but this started happening a couple of weeks
> > ago.
> >
> > Many web pages are sloooooooooooooow ever so slow. Looking with ethereal
> > a dns request is sent out to tiscali's primary dns server. No reply for 5
> > secs so the secondary is tried and the address comes back within 25mSec.
> > I have my router set to use the tiscali numbers - 212.74.112.66 and 67.
> > 67 is the secondary. I've switch the addresses round in the router to use
> > 67 first but the system still uses 66 first. Me thinks something in my
> > system is doing this and not using the router as it should.
>
> There are two things that usually result in a speed up.
> The first thing is enabling ncsd, a system daemon which caches DNS results
> and calls to the user data base (user rights, etc)
> It is a service provided by the system itself, i.e. it will "sit" below the
> basic C-library all applications are using, thus benefit all applications.
>
> Another thing to try is disabling IPv6 based DNS lookup, see
> http://tinyurl.com/36pyo3
>
> Cheers,
> Kevin
I disabled ipv6 a long time ago but had to do more that Kevin suggests. I
search all files for ipv6 and disabled it at a system level. All was ok then.
I've switched the order of the dns requests now but 67 is as slow today as 66
usually is. The system is sending out requests to 67 swiftly followed by the
same request to 66 and then 67 again. Maybe this is a problem. Wish I new how
to set things up so that the router does the requests. I've some indication
that windoze is quicker ! The router is bound to use the same technique as
windoze.
--
Regards
John
Suse 10.0
KDE 3.4.2 B
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