[f-nsp] Netiron 5.6 feedbacks

[Wouter de Jong]

Hi Youssef,

OK, that is the same date I received :)

Regards,

Wouter

> -----Original Message-----
> From: Youssef Bengelloun-Zahr [mailto:youssef at 720.fr]
> Sent: Sunday, May 25, 2014 22:16
> To: Wouter de Jong
> Cc: <foundry-nsp at puck.nether.net>
> Subject: Re: [f-nsp] Netiron 5.6 feedbacks
> 
> Hi,
> 
> Answering my own post. Just heard from my SE, 56d GA is targeted for
> July 16th.
> 
> Best regards.
> 
> 
> 
> > Le 25 mai 2014 à 20:34, Youssef Bengelloun-Zahr <youssef at 720.fr> a écrit
> :
> >
> > Hi,
> >
> > Interesting... Did TAC give you 56d GA release date ?
> >
> > Y.
> >
> >
> >
> >> Le 25 mai 2014 à 12:57, Wouter de Jong <wouter at widexs.nl> a écrit :
> >>
> >> Hi,
> >>
> >> (Apologies for not quoting, etc as I don't have the original email in my
> >> mailbox)
> >>
> >> Too bad that 5.6 seems 'buggy' ... some of it's new features look nice,
> and
> >> I was planning to put it on a new box...
> >> now I'm not so sure about that any longer...
> >>
> >>
> >> Also interesting that you seem to run 5.5d without problems, as we
> came
> >> across a bug in 5.5 with regards
> >> to the IPv6 route cache - DEFECT000500944
> >>
> >> Due to it's characteristics, my guess would be that we really can't be
> the
> >> only one that faced that problem ? :)
> >>
> >> The issue is that after a link between 2 MLXe's fails and the IGP selects a
> >> different path ... it fails to update the IPv6 cache.
> >> However, it updates the RIB, etc correctly .... so IPv6 traffic transiting
> >> through the router appears to keep working without issue and
> >> everything _seems_ correctly (even from looking at CAM), only traffic
> >> originated from the router itself (eg. loopback) is still pointing
> >> to the wrong interface, which for example affected IPv6 iBGP sessions
> in our
> >> case.
> >>
> >> The provided method to resolve it is to manually clear the IPv6 cache
> by
> >> running "clear ipv6 cache"
> >> (Note that 'cache' is hidden in the outout from "clear ipv6 ?" ...
> >> DEFECT000503937)
> >>
> >>
> >> According to TAC, this issue occurs in both 5.5.x and 5.6.x ... and both
> >> with IS-IS and OSPF.
> >> In our case, this was on MLXe-4's with 4x10G X-blades, running IS-IS, with
> >> v5.5d and v5.5e
> >> Fix should come in 5.6d .. not sure in what version 5.5 will be fixed.
> >>
> >>
> >> Just wondering if anyone else faced this as well ?
> >>
> >>
> >> Best regards,
> >>
> >> Wouter
> >>
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