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Re: smurf

  • From: Craig A. Huegen
  • Date: Mon Dec 08 18:39:32 1997

On Mon, 8 Dec 1997, Joe Provo - Network Architect wrote:

==>Dear vendors:
==>
==>        GIVE A KNOB TO DO THIS, ACROSS THE BOARD, IN YOUR GEAR.

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.
---

/cah



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