Found this in cisco site. Sorry, no mention on how you
do it on w2k.
http://www.cisco.com/warp/public/105/38.shtml
Ragu
--- Miguel Martinez <[EMAIL PROTECTED]>
wrote:
>
> Ben,
>
> Thank you for your quick answer. The OS is W2Y. Do
> you know how to disable
> the P-MTU Discovery in Windows 2000? The routers
> doesn't have any access
> list applied to the serials or Ethernet port. Also,
> it happens to be that
> we are "the router guys". I will appreciate all
> your help.
>
> Best regards,
>
> Miguel
>
> > -----Original Message-----
> > From: Ben Nagy [mailto:[EMAIL PROTECTED]]
> > Sent: Tuesday, January 16, 2001 6:30 PM
> > To: '[EMAIL PROTECTED]';
> [EMAIL PROTECTED]
> > Subject: RE: Problems with Fragment bit Set in big
> packets!
> >
> >
> > Depending on your OS you may be able to disable
> "Path MTU
> > Discovery". That
> > will get rid of your DF bit.
> >
> > However, this problem would only occur if the ICMP
> error
> > message generated
> > by the router didn't make it back to the Webserver
> - you
> > could verify this
> > with a sniffer. If the ICMP error _is_ making it
> back to the
> > webserver then
> > I doubt this is your issue.
> >
> > My spider senses are tingling - is this a case of
> "the router
> > guys" not
> > being able to get things working and telling you
> it's a
> > problem with your
> > webserver?
> >
> > Cheers,
> >
> > --
> > Ben Nagy
> > Marconi Services
> > Network Integration Specialist
> > Mb: +61 414 411 520 PGP Key ID: 0x1A86E304
> >
> > -----Original Message-----
> > From: Miguel Martinez
> [mailto:[EMAIL PROTECTED]]
> > Sent: Wednesday, 17 January 2001 10:50
> > To: [EMAIL PROTECTED]
> > Subject: Problems with Fragment bit Set in big
> packets!
> >
> >
> > Hi!
> >
> > I hope someone can help me. We are running a web
> based
> > application that
> > makes queries to an Oracle server in a remote
> network over a
> > WAN with a VPN
> > tunnel made by the routers. The problem is that
> the web
> > based application
> > is sending packets with the "don't fragment" bit
> on. So,
> > when the routers
> > encrypt the packets they can't fragment the big
> ones and
> > drops them. I
> > don't know where this fragment bit came from or
> who
> > established it? The web
> > based application was developed in-house.
> >
> > If someone can bring me some clue, I will really
> appreciate it!
> > Thanks for your help.
> >
> > Miguel Martinez
> > [EMAIL PROTECTED]
>
> -
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