[quagga-dev 16666] Re: [PATCH] Fix malformed AS_SEQUENCE segments for long as path

Balaji Gurudoss balajig81 at gmail.com
Sun Oct 15 11:26:34 BST 2017


Hi Eugene

Thanks, Applied

Thanks,
- Balaji

On Fri, Oct 13, 2017 at 7:39 PM, Eugene Bogomazov <eb at qrator.net> wrote:

> Hello,
>
> At the end of September we observed update from 262197 ASN with very large
> prepend (563) of origin ASN.
> It caused 2 problems. First of all, it wasn't properly counting AS_PATH
> length in octets, thereby forcing
> bgp neighbor speaker send NOTIFICATION and broke the session. Secondly,
> all AS_SEQUENCE from second to
> penultimate in AS_PATH were wrong due to forgetten offset.
>
> First part of problem, that caused continious session flaps, was fixed
> with latest Quagga release (1.2.2). However,
> the encoded AS_PATH attribute is still malformed. So, we attach a patch to
> fix this problem.
>
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>
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