FYI

mh

> -----Message d'origine-----
> De : [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] De 
> la part de bill
> Envoyé : mercredi 4 février 2004 10:48
> À : bill 
> Cc : cast'o'[EMAIL PROTECTED]
> Objet : CULPRIT - poor connectivity to new b.root-servers.net
> 
> 
> 
> upstream routing for the new and old prefixes for 
> b.root-servers.net is asymetric.  inbound is generally 
> weighted to arrive through Level3, while the outbound is 
> generally weighted to depart through verio.
> 
> due to exceptional work from Level3 and Los Nettos, they were 
> able to identify that Verio filters using "golden" prefixes...
> 
> "I believe I have found the culprit.  I think that Verio was 
> filtering the b root traffic out because it was not a blessed 
> source address."
> 
> and
> 
> "I have a strange feeling that Verio (the return path for 
> 209.244/14 according to Walt, and probably for lots of other 
> blocks) is filtering source addresses"
> 
> Verio was asked to update its "blessed" or "golden" prefix 
> list so that packets from "B" would reach thier intended 
> destinations.  Third party reports indicate that this 
> "correction" has been applied within Verio.
> 
> I would appreciate private replies on the efficacy of this 
> ACL modification.
> 
> --bill
> 



----------------------------
Liste de diffusion du FRnOG
http://www.frnog.org/
-----------------------------------------------
Archives :
http://www.frnog.org/archives.php
-----------------------------------------------

Répondre à