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net.inet.icmp.sourceforce (Re: Bogon list)

  • From: E.B. Dreger
  • Date: Wed Jun 05 11:31:35 2002

GAW> Date: Tue,  4 Jun 2002 23:14:58 -0400 (EDT)
GAW> From: Greg A. Woods

GAW> If a given router uses a single unique-to-itself canonical
GAW> globally routable source address for all ICMP error replies
GAW> it generates then the output of the likes of traceroute and
GAW> even ping will still be meaningful and useful.  No important
GAW> information is lost, at least not from the point of view of
GAW> everyone _without_ a login on the router in question at
GAW> least (and if you can login to the router then I should hope
GAW> you can figure out what interface the undeliverable packets
GAW> are arriving on without any external help!).

Sounds good to me.

GAW> Isn't there even an IOS command to "make it so", or am I
GAW> dreaming visions of some as-yet unimplemented BSD-based
GAW> router feature again?

I don't know of any existing sysctl, but it should be trivial to
add "net.inet.icmp.sourceforce" or something like that.


Brotsman & Dreger, Inc. - EverQuick Internet Division
Phone: +1 (785) 865-5885 Lawrence and [inter]national
Phone: +1 (316) 794-8922 Wichita

Date: Mon, 21 May 2001 11:23:58 +0000 (GMT)
From: A Trap <>
Subject: Please ignore this portion of my mail signature.

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