Thank you.I will  try to setup  second DNS server.


                                            Jang



2006/6/24, Chris Buechler <cbuechler at gmail dot com>:
> On 6/23/06, ¶À«Ø®x(jang huang) <jang0820 at gmail dot com> wrote:
> >
> > I  forget  to say the problem is obvious in computer  classroom.
> > Using  M0N0  translate  100  computers in  computer  classroom, they
> > will  boot  at the  same time. Then students  surf  Internet.
> > About  10%-15% computer  has  DNS problem.This bother me and
> > students.Maybe too many computers  request  DNS  service at the same
> > time.I will try  set  DNS  to  M0N0 Lan IP.
> >
>
> This really doesn't sound like a m0n0wall issue at all.  It sounds
> like your ISP's DNS server is flaky.  If you have some other internal
> DNS servers you can use (not m0n0wall, since it only caches responses
> it receives from your ISP's DNS servers), try those and see what
> happens.
>
>
> > Can  I modify  kernel parameters(sysctl)  or  NAT rules or Firewall
> > rules or  recompile Kernel to reduce  this  problem?
> >
>
> no.
>
> -Chris
>