Level 3's IRR Database

Randy Bush randy at psg.com
Mon Jan 31 07:59:54 CST 2011


> 666.42.0.0/16 has a roa for as 777
> 
> you start receiving
> 
> 666.42.0.0/24 and 666.42.1.0/24, both unsigned. Changing preference 
> isn't enough to stop routing, as it's a more specific route and 
> automatically wins if it gets into the table.

nope

when there is no roa for the arriving prefix, a roa for the covering
prefix is used.  see draft-pmohapat-sidr-pfx-validate-07.txt.

randy




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