[f-nsp] Netiron 5.6 feedbacks

Eldon Koyle esk-puck.nether.net at esk.cs.usu.edu
Tue Aug 12 18:50:29 EDT 2014 

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 <james.braunegg at micron21.com> a écrit :
> > 
> > Who wants to test it….
> >  
> > Kindest Regards
> >  
> > James Braunegg
> > P:  1300 769 972  |  M:  0488 997 207 |  D:  (03) 9751 7616
> > E:   james.braunegg at micron21.com  |  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:foundry-nsp-bounces at puck.nether.net] On Behalf Of Youssef Bengelloun-Zahr
> > Sent: Friday, August 01, 2014 5:14 AM
> > To: Skylar MacMinn
> > Cc: foundry-nsp at puck.nether.net
> > Subject: Re: [f-nsp] Netiron 5.6 feedbacks
> >  
> > Hi all,
> > 
> > 560d is out :-)
> > 
> > Y.
> > 
> > 
> > 
> > 2014-07-18 15:47 GMT+02:00 Skylar MacMinn <skylar at crissic.net>:
> > 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:foundry-nsp-bounces at puck.nether.net] On Behalf Of Youssef Bengelloun-Zahr
> > Sent: Friday, July 18, 2014 8:43 AM
> > To: Josh Galvez
> > 
> > Cc: foundry-nsp at puck.nether.net
> > 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 <josh at zevlag.com>:
> > 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 <james.braunegg at micron21.com> 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:   james.braunegg at micron21.com  |  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:foundry-nsp-bounces at puck.nether.net] On Behalf Of Youssef Bengelloun-Zahr
> > Sent: Monday, May 26, 2014 6:48 PM
> > 
> > To: Wouter de Jong
> > Cc: <foundry-nsp at puck.nether.net>
> > 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 <wouter at widexs.nl>:
> > 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
> > > >>
> > > >> _______________________________________________
> > > >> foundry-nsp mailing list
> > > >> foundry-nsp at puck.nether.net
> > > >> http://puck.nether.net/mailman/listinfo/foundry-nsp
> > 
> > 
> > 
> > -- 
> > Youssef BENGELLOUN-ZAHR
> > 
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> >  
> > 
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> > 
> > 
> > 
> > -- 
> > Youssef BENGELLOUN-ZAHR
> > 
> > 
> > 
> > -- 
> > Youssef BENGELLOUN-ZAHR

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