Did your BGP crash today?

Joel Jaeggli joelja at bogus.com
Sun Aug 29 11:58:48 CDT 2010


On 8/29/10 9:31 AM, Bjørn Mork wrote:
> Richard A Steenbergen <ras at e-gerbil.net> writes:
> 
>> Just out of curiosity, at what point will we as operators rise up 
>> against the ivory tower protocol designers at the IETF and demand that 
>> they add a mechanism to not bring down the entire BGP session because of 
>> a single malformed attribute? Did I miss the memo about the meeting? 
> 
> I guess you did.
> 
> http://tools.ietf.org/html/draft-ietf-idr-optional-transitive-02

rfc 4893 (4 octet as numbers) leverages the assumption that you can send
the as4_path attribute and that even router's that don't understand it
will forward it.

given that 4 byte as numbers exist in the internet and many non-4byte
aware routers exist, that seems like a reasonable assumption.

> 
> Bjørn
> 
> 





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