AS 3356 (Level 3) -- Community 3356:666

Niels Bakker niels=nanog at bakker.net
Wed Aug 4 16:15:17 UTC 2021


* Martijn Schmidt [Wed 04 Aug 2021, 18:01 CEST]:
>And it's also nice not to yank the old community in case your 
>customers still depend on it, even if you do also support the RFC 
>version as an alias of that one.

Note that 3356:666 is applied on ingress to routes received from 
peers. They could easily rewrite their import policy to translate any 
3356:666 to 3356:9999 before passing it on to their RTBH systems, 
without impacting previous consumers of 3356:666 among their BGP 
customers.


	-- Niels.


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