Hello Eldon,

Any news from BTAC ?

Best regards.



> Le 13 août 2014 à 23:29, Eldon Koyle <[email protected]> a 
> écrit :
> 
> We are running MLX and MLXe.  Opening a ticket with Brocade is on my
> to-do list.
> 
> -- 
> Eldon Koyle
> -- 
> Mathematics deals exclusively with the relations of concepts
> to each other without consideration of their relation to experience.
>        -- Albert Einstein
> 
>> On  Aug 13  6:33+0200, Youssef Bengelloun-Zahr wrote:
>> Hi Eldon,
>> 
>> On which platform did you notice this ? Did you open a case with BTAC ?
>> 
>> Best regards.
>> 
>> 
>> 
>>> Le 13 août 2014 à 00:50, Eldon Koyle <[email protected]> a 
>>> écrit :
>>> 
>>> I am seeing some invalid data from SNMP on 5.6d.  10G interfaces will
>>> periodically transfer at rates of multiple petabits per second and I am
>>> also seeing SNMP reporting 4G RX/TX discards on an interface that reports 0
>>> errors/discards on 'show stat' and 'show int'.
>>> 
>>> -- 
>>> Eldon Koyle
>>> -- 
>>> Behold the warranty -- the bold print giveth and the fine print taketh away.
>>> 
>>>> On  Aug 12 10:25+0200, Youssef Bengelloun-Zahr wrote:
>>>> Hello,
>>>> 
>>>> Has anyone tried it yet ? I was planning to do so when I come back next 
>>>> week but any early feedbacks will be appreciated.
>>>> 
>>>> Best regards.
>>>> 
>>>> 
>>>> 
>>>>> Le 1 août 2014 à 02:09, James Braunegg <[email protected]> a 
>>>>> écrit :
>>>>> 
>>>>> Who wants to test it….
>>>>> 
>>>>> Kindest Regards
>>>>> 
>>>>> James Braunegg
>>>>> P:  1300 769 972  |  M:  0488 997 207 |  D:  (03) 9751 7616
>>>>> E:   [email protected]  |  ABN:  12 109 977 666   
>>>>> W:  www.micron21.com/ddos-protection   T: @micron21
>>>>> 
>>>>> 
>>>>> <image001.jpg>
>>>>> This message is intended for the addressee named above. It may contain 
>>>>> privileged or confidential information. If you are not the intended 
>>>>> recipient of this message you must not use, copy, distribute or disclose 
>>>>> it to anyone other than the addressee. If you have received this message 
>>>>> in error please return the message to the sender by replying to it and 
>>>>> then delete the message from your computer.
>>>>> 
>>>>> From: foundry-nsp [mailto:[email protected]] On Behalf 
>>>>> Of Youssef Bengelloun-Zahr
>>>>> Sent: Friday, August 01, 2014 5:14 AM
>>>>> To: Skylar MacMinn
>>>>> Cc: [email protected]
>>>>> Subject: Re: [f-nsp] Netiron 5.6 feedbacks
>>>>> 
>>>>> Hi all,
>>>>> 
>>>>> 560d is out :-)
>>>>> 
>>>>> Y.
>>>>> 
>>>>> 
>>>>> 
>>>>> 2014-07-18 15:47 GMT+02:00 Skylar MacMinn <[email protected]>:
>>>>> Thanks for that update J
>>>>> 
>>>>> We updated to 5.6.0.c and have been fine with sflow since. Thanks again 
>>>>> to everyone who helped point out the issue J
>>>>> 
>>>>> Cordially Yours,
>>>>> 
>>>>> Skylar MacMinn
>>>>> www.crissic.net
>>>>> Crissic Solutions, LLC
>>>>> 
>>>>> From: foundry-nsp [mailto:[email protected]] On Behalf 
>>>>> Of Youssef Bengelloun-Zahr
>>>>> Sent: Friday, July 18, 2014 8:43 AM
>>>>> To: Josh Galvez
>>>>> 
>>>>> Cc: [email protected]
>>>>> Subject: Re: [f-nsp] Netiron 5.6 feedbacks
>>>>> 
>>>>> Hi,
>>>>> 
>>>>> Little update as 56d GA was postponed until July 31st.
>>>>> 
>>>>> Best regards.
>>>>> 
>>>>> 
>>>>> 2014-06-20 21:29 GMT+02:00 Josh Galvez <[email protected]>:
>>>>> Just an FYI, I've ran in to two rather annoying bugs it the 5.6 line of 
>>>>> code, this on the XMR.
>>>>> 
>>>>> in 5.6b (but fixed in 5.6c):
>>>>> 
>>>>> Defect ID: DEFECT000502305
>>>>> Technical Severity: Medium Probability: High
>>>>> Product: Multi-Service IronWare Technology: Management
>>>>> Reported In Release: NI 05.6.00 Technology Area: SFLOW
>>>>> Closed In Release(s): NI 05.6.00c(Fixed)
>>>>> Symptom: An incorrect raw packet header length in the sFlow protocol is 
>>>>> observed.
>>>>> Condition: Issue is seen while running L3 traffic along while enabling 
>>>>> sFlow on an interface. sFlow enabled 
>>>>> interfaces send sFlow data packets to an sFlow collector. At the 
>>>>> collector the raw packet header 
>>>>> length is less than what was originally sent. 
>>>>> 
>>>>> In 5.6c (not in 5.6b, no fix yet):
>>>>> Defect 505978
>>>>> BGPv6 neighborship not coming up over loopback interfaces as the ipv6 TCP 
>>>>> cpnnection is in SYN-SENT state.
>>>>> It will occur if you peer using loopback address with /128 mask.
>>>>> It will be fixed in 5.6d which is not released yet.
>>>>> Current workaround would be to not use /128 mask or to downgrade your 
>>>>> code.
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> 
>>>>> On Mon, May 26, 2014 at 7:48 AM, James Braunegg 
>>>>> <[email protected]> wrote:
>>>>> Will be interesting to hear your feedback in a few months !!
>>>>> 
>>>>> Was about to upgrade to 5.5 but maybe it’s worth the wait to see how 5.6d 
>>>>> is !!
>>>>> 
>>>>> Kindest Regards
>>>>> 
>>>>> James Braunegg
>>>>> P:  1300 769 972  |  M:  0488 997 207 |  D:  (03) 9751 7616
>>>>> E:   [email protected]  |  ABN:  12 109 977 666   
>>>>> W:  www.micron21.com/ddos-protection   T: @micron21
>>>>> 
>>>>> 
>>>>> <image001.jpg>
>>>>> This message is intended for the addressee named above. It may contain 
>>>>> privileged or confidential information. If you are not the intended 
>>>>> recipient of this message you must not use, copy, distribute or disclose 
>>>>> it to anyone other than the addressee. If you have received this message 
>>>>> in error please return the message to the sender by replying to it and 
>>>>> then delete the message from your computer.
>>>>> 
>>>>> From: foundry-nsp [mailto:[email protected]] On Behalf 
>>>>> Of Youssef Bengelloun-Zahr
>>>>> Sent: Monday, May 26, 2014 6:48 PM
>>>>> 
>>>>> To: Wouter de Jong
>>>>> Cc: <[email protected]>
>>>>> Subject: Re: [f-nsp] Netiron 5.6 feedbacks
>>>>> 
>>>>> Hi,
>>>>> 
>>>>> I hope this one will be more mature and stable :-)
>>>>> 
>>>>> Y.
>>>>> 
>>>>> 
>>>>> 
>>>>> 2014-05-26 10:26 GMT+02:00 Wouter de Jong <[email protected]>:
>>>>> Hi Youssef,
>>>>> 
>>>>> OK, that is the same date I received :)
>>>>> 
>>>>> Regards,
>>>>> 
>>>>> Wouter
>>>>> 
>>>>>> -----Original Message-----
>>>>>> From: Youssef Bengelloun-Zahr [mailto:[email protected]]
>>>>>> Sent: Sunday, May 25, 2014 22:16
>>>>>> To: Wouter de Jong
>>>>>> Cc: <[email protected]>
>>>>>> 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 <[email protected]> a 
>>>>>>>> écrit
>>>>>>> :
>>>>>>> 
>>>>>>> Hi,
>>>>>>> 
>>>>>>> Interesting... Did TAC give you 56d GA release date ?
>>>>>>> 
>>>>>>> Y.
>>>>>>> 
>>>>>>> 
>>>>>>> 
>>>>>>>> Le 25 mai 2014 à 12:57, Wouter de Jong <[email protected]> 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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>>>>> 
>>>>> 
>>>>> 
>>>>> -- 
>>>>> Youssef BENGELLOUN-ZAHR
>>>>> 
>>>>> _______________________________________________
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>>>>> 
>>>>> 
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>>>>> 
>>>>> 
>>>>> 
>>>>> -- 
>>>>> Youssef BENGELLOUN-ZAHR
>>>>> 
>>>>> 
>>>>> 
>>>>> -- 
>>>>> Youssef BENGELLOUN-ZAHR
>>> 
>>>> _______________________________________________
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>> 

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