[14209] in North American Network Operators' Group

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Re: smurf

daemon@ATHENA.MIT.EDU (Paul Ferguson)
Wed Dec 10 08:10:54 1997

Date: Wed, 10 Dec 1997 07:22:12 -0500
To: "Craig A. Huegen" <chuegen@quadrunner.com>
From: Paul Ferguson <ferguson@cisco.com>
Cc: Joe Provo - Network Architect <jprovo@ma.ultranet.com>, nanog@merit.edu
In-Reply-To: <Pine.QUAD.3.96.971208150956.31365A-100000@quad.quadrunner.
 com>

This is also mentioned in the *-03.txt version of the
ingress filtering draft:

 ftp://ds.internic.net/internet-drafts/draft-ferguson-ingress-filtering-03.txt

- paul


At 03:13 PM 12/8/97 -0800, Craig A. Huegen wrote:

>
>It's a requirement per the RFC:
>
>(from my smurf paper)
>
>RFC 1812,
>"Requirements for IP Version 4 Routers", Section 5.3.5, specifies: 
>
>---
>   A router MAY have an option to disable receiving network-prefix-
>   directed broadcasts on an interface and MUST have an option to
>   disable forwarding network-prefix-directed broadcasts.  These options
>   MUST default to permit receiving and forwarding network-prefix-
>   directed broadcasts.
>---
>


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