[f-nsp] Hitless upgrade on MLXe

[Youssef Bengelloun-Zahr]

I guess sometimes the old fashion way (reboot) is the best way to go.

Thanks for your feedback.

Y.



Le 6 janv. 2013 à 10:40, Andreas Larsen <andreas at larsen.pl> a écrit :

> Yeah I have the same experience of hitless upgrades.  At least when moving between several versions. 
> I usually call it shitless upgrade =)
> 
> Regards Andreas
> 6 jan 2013 kl. 00:15 skrev Fredy Kuenzler <kuenzler at init7.net>:
> 
>> Am 05.01.2013 10:29, schrieb Youssef Bengelloun-Zahr:
>>> I am planning an upgrade from 5.4.0.a to 5.4.0.b for our MLX boxes (dual
>>> MP).
>>> 
>>> I have been reading the upgrade notes of NetIron 5.4.0.b.
>>> 
>>> Has anyone used the hitless upgrade procedure on MLX successfully ?
>> 
>> We tried hitless a couple of years ago, with 5.1x I believe. Bad move. It
>> seemed to work, but we figured only hours and days later, that some parts of
>> the configuration stopped to work properly. If I remember correctly, it
>> introduced silently blackholes in the BGP table, which is really nasty.
>> 
>> Since this experience we gave up to use hitless upgrades.
>> 
>> -- 
>> Fredy Künzler
>> 
>> Init7 (Switzerland) AG
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> 
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