[f-nsp] Hitless upgrade on MLXe

[Andreas Larsen]

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
> 
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