[121632] in North American Network Operators' Group

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Re: Using /31 for router links

daemon@ATHENA.MIT.EDU (Jens Link)
Sat Jan 23 14:10:23 2010

To: nanOG list <nanog@nanog.org>
From: Jens Link <lists@quux.de>
Date: Sat, 23 Jan 2010 20:09:45 +0100
In-Reply-To: <87636tcez9.fsf@mid.deneb.enyo.de> (Florian Weimer's message of
	"Sat\, 23 Jan 2010 11\:06\:34 +0100")
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org

Florian Weimer <fw@deneb.enyo.de> writes:

> Bad.  For some systems, such tricks work to some degree only due to
> lack of input validation, and you get failures down the road (ARP
> ceases to work, packet filters are not applied properly and other
> fun).

I never had any problems using Cisco to Cisco, Linux to Linux or Cisco
to Linux using /31. Only problem I encountered was when a Linux based
router was replaced by a Windows box (please don't ask). 

cheers

Jens
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