New on RIPE Labs: The Curious Case of 128.0/16

Jack Bates jbates at brightok.net
Tue Dec 6 09:47:21 CST 2011


On 12/6/2011 9:38 AM, Chris Adams wrote:
>
> I believe that Sprint is using Cisco, not Juniper.  This is either a
> manual filter or there is another (unidentified) issue with some Cisco
> configurations.
>

People are less likely to read an RFC changing the reserved addresses. 
Even people who didn't filter unassigned addressing, might filter RFC 
reserved addressing. The fact that it's built into some routers 
automatically kind of makes the point.


Jack



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