From jk at ip-clear.de Thu Oct 5 04:48:51 2023 From: jk at ip-clear.de (=?utf-8?q?J=C3=B6rg_Kost?=) Date: Thu, 05 Oct 2023 10:48:51 +0200 Subject: [f-nsp] Netiron AS4 capabilities In-Reply-To: <7D5396AA-F9D5-41D4-8086-6F776BCD75B0@rotariu.ro> References: <6A14482E-1061-4BBB-9D1C-2DDC05D7C138@rotariu.ro> <81B4620F-681F-4314-9B36-10B53A88BA1F@rotariu.ro> <948EAFB2-AF56-4CC8-B524-11F6469FF867@ip-clear.de> <7C08176D-815D-41E4-8F66-58386F097E51@rotariu.ro> <8FEE7155-4859-4F85-A101-3AD7E51855CE@ip-clear.de> <321BB378-7802-4D8B-99B5-4304842B1138@rotariu.ro> <4C1EABA1-3B89-4D74-9435-AF5E4A017BF2@ip-clear.de> <16BD8077-9030-4D5C-ADED-99E30AA8F6F9@rotariu.ro> <9ADA614E-80A5-40DD-A931-1B88804F5821@rotariu.ro> <9401A45F-8892-4845-AE28-0DF2443997A0@ip-clear.de> <0DEA7EFD-2CDB-4141-8376-4AA29B14FAF4@rotariu.ro> <82CC0D4D-11AE-4D37-A67E-86AF8E1A6A2A@ip-clear.de> <77030754-4B59-4808-A485-9F633068FDE6@ip-clear.de> <871AE575-6A6E-46DE-B425-292624F6F145@rotariu.ro> <7D5396AA-F9D5-41D4-8086-6F776BCD75B0@rotariu.ro> Message-ID: <46C2140B-C912-4AE1-9767-BFD87B8BD10A@ip-clear.de> So, to "close" the topic, Extreme thinks it is also a bug in the Mikrotik implementation, and they should fix it. Completely independent of this, the issue of BGP attributes and their diversity also seems to be affecting other vendors. A recent blog article published at the end of August reports the results of BGP Attribute Fuzzing: https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling Extreme is also represented here with EXOS. On 2 Jul 2023, at 21:50, Bogdan Rotariu wrote: > Looks like twitter has some firmware issues too :-) It took a few hours to load the tweet. > > Edgerouter had issues with handling extended length a few years ago did found this[1] when searching for my issue. > > It seems that there are some holes in the RFC?s and the implementations of the BGP protocol differ pretty much for each vendor even if it should not. > > [1] https://community.ui.com/questions/BGP-problem/8272f27f-8671-4570-b9a6-f2b960b2c617 >