nanog mailing list archives

Re: Networks ignoring prepends?


From: William Herrin <bill () herrin us>
Date: Mon, 22 Jan 2024 12:35:26 -0800

On Mon, Jan 22, 2024 at 10:19 AM James Jun <james.jun () towardex com> wrote:
So, as a customer, you actually SHOULD be demanding your ISPs
to positively identify and categorize their routes using local-pref
and communities.

Hi James,

The best path to me from Centurylink is: 3356 1299 20473 11875

The path Centurylink chose is: 3356 47787 47787 47787 47787 53356
11875 11875 11875

Do you want to tell me again how that's a reasonable path selection,
or how I'm supposed to pass communities to either 20473 or 53356 which
tell 3356 to behave itself?

Regards,
Bill Herrin


-- 
William Herrin
bill () herrin us
https://bill.herrin.us/


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