From: beda jain (bpjain@cisco.com)
Date: Mon Sep 16 2002 - 13:56:16 GMT-3
Hi,
input-access-filter and output-access-filter check for the source or
destination netbios host ???
From your discussion It seems like it check for destination netbios host,
where in or out.
Thanks,
Beda
At 09:23 AM 9/15/2002 -0400, Barry Rowland wrote:
>To correct myself I would use a netbios input filter on to0/0. Guess I was
>stuck in DLSW mode when I was reading this thread and said netbios output
>filter. But there is no mention of DLSW in the actual question.
>
>Barry
>
>
> >Mabey I'm reading this wrong, but if R3 has to0/0 and the requirement is to
> >block
> >netbios frames with the name DONTGO from leaving this router, wouldn't
>these
> >frames be originating from hosts connected down stream of the to0/0
> >interface?
>
> >And if this is true, wouldn't we want to block the frames from leaving the
> >to0/0
> >interface to meet the requirement to keep these frames from leaving R3.
>
> >This would require an netbios output filter. Again, this question could use
> >some
> >clarification.
>
>
> >Barry
>
>----- Original Message -----
>From: "Chris Hugo" <chrishugo@yahoo.com>
>To: "Colin Barber" <Colin.Barber@telewest.co.uk>; "Kohli, Harbir"
><harbir.kohli@bellnexxia.com>; <ccielab@groupstudy.com>
>Sent: Saturday, September 14, 2002 7:36 PM
>Subject: RE: Netbios filter direction
>
>
> > I agree with Colin. But maybe I am looking at it differently. With the
>interface filter we are going to use it won't even reach the router. I am
>thinking we should filter it in a dlsw statement.
> >
> > I agree it is badly worded. What do you guys think?
> >
> > chris hugo
> >
> >
> > Colin Barber wrote:It's a badly worded question but it sounds like you
>are receiving frames
> > from the TR interface and if the destination is for DONTGO then block, so
>I
> > would use input-access-filter on T0/0.
> >
> > Colin
> >
> > -----Original Message-----
> > From: Kohli, Harbir [mailto:harbir.kohli@bellnexxia.com]
> > Sent: 13 September 2002 19:27
> > To: 'ccielab@groupstudy.com'
> > Subject: Netbios filter direction
> >
> >
> > Hi,
> >
> > I have a question regarding the direction of netbios filter.
> >
> > Question:
> > Block Netbios frames with destination DONTGO from leaving R3.
> >
> > R3 is a TokenRing router.
> >
> > netbios access-list host DONTGO deny DONTGO
> > netbios access-list host DONTGO permit *
> >
> > Should the filter be
> > Int to 0/0
> > netbios input-access-filter host DONTGO ?
> >
> > OR
> > Int to 0/0
> > netbios outout-access-filter host DONTGO ?
> >
> > Thanks
> >
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