[f-nsp] Netiron 5.6 feedbacks

[Youssef Bengelloun-Zahr]

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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