From: Barry Rowland (reachbarry@bigfoot.com)
Date: Sun Sep 15 2002 - 10:23:10 GMT-3
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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