[f-nsp] Netiron AS4 capabilities

[Bogdan Rotariu]

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


> On 2 Jul 2023, at 12:36, Clement Cavadore <clement at cavadore.net> wrote:
> 
> Hi,
> 
> It "looks like" something I got last october, when upgrading one of my
> router to ROS7. Network was consisting of 3 Mikrotiks, and 1 Edgerouter
> infinity: When the ROS7 exports routes learnt from one of their
> transit, the Edgerouter (Vyatta) resets its IBGP session. 
> https://twitter.com/acontios_net/status/1580915560074055680/photo/1
> 
> I didn't dig much, as it was a "toy asn" and discarded input updates
> from the ROS7 transit link, but I feel that ROS7 behaviour is incorrect
> regarding aggregator flag.
> 
> 
> Best regards,
> 
> Clément Cavadore
> 
> On Sun, 2023-07-02 at 11:06 +0200, Jörg Kost wrote:
>> Hello,
>> 
>> I have submitted the findings on Github. May I include your PCAP?
>> https://github.com/ipcjk/mikrotikSLXMLX
>> 
>> I will also forward and create a support request later on with
>> Extreme and ask for their opinion.
>> 
>> BR
>> Jörg
>> 
>> 
>> 
>> On 1 Jul 2023, at 23:58, Bogdan Rotariu wrote:
>> 
>>> Thank you for your time and your interest in solving this issue.
>>> Your test added light to the issue, I will forward to Mikrotik the
>>> information received from you, maybe they will care and do
>>> something in the future updates.
>>> 
>>> Could you please share the patch for FRR so I can replicate the
>>> issue with FRR too?
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> 

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