Using /31 for router links

Sat Jan 23 19:09:45 UTC 2010

Florian Weimer <fw at 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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