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Re: JunOS/FRR/Nokia et al BGP critical issue


From: Bjørn Mork <bjorn () mork no>
Date: Fri, 01 Sep 2023 09:17:30 +0200

Mike Lyon <mike.lyon () gmail com> writes:

https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling?fbclid=IwAR13ePY43Vf3u4X8PDyCDT39DtyXczAKkv6CGXOQbcQv90Y3aIAmTkJxn7k_aem_Ad0hzj2Mh_WlbFZug-vGdlJJdXr2Xo0RFIsPwAU2GviPz6xZDib76YHwFuzU7E0_sJk&mibextid=Zxz2cZ

Sounds familiar. 

https://supportportal.juniper.net/s/article/BGP-Malformed-AS-4-Byte-Transitive-Attributes-Drop-BGP-Sessions?language=en_US

You'd think a lot of thought has gone into error handling for optional
transitive attributes since then, but...



Bjørn


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