[c-nsp] blackholed traffic on ether-channel

[Antoine Monnier]

and keep in mind that most releases for the 6800 are deferred, so it would
be hard to get support from TAC on those. Only the last 1 or 2 rebuilt in
each trains are not deferred.

On Thu, Apr 7, 2016 at 11:15 PM, Hunter Fuller <hf0002 at uah.edu> wrote:

> Look out for SY2!! We were on that release when we rolled out our
> Cat6807s in 2014 but there was a gross bug where a malformed mDNS
> packet could crash the sup! We had a quad-sup VSS at this time and it
> crashed all four within a minute! I'm unsure if this was VSS specific
> but I did get confirmation that it wasn't quad-sup specific.
>
> We are now on 15.1(2)SY4 and life is good... for now...
>
> --
> Hunter Fuller
> Network Engineer
> VBRH Annex B-1
> +1 256 824 5331
>
> Office of Information Technology
> The University of Alabama in Huntsville
> Systems and Infrastructure
>
>
> On Thu, Apr 7, 2016 at 3:29 AM, Mark Tinka <mark.tinka at seacom.mu> wrote:
> >
> >
> > On 7/Apr/16 10:14, Holemans Wim wrote:
> >
> >>
> >> As an solution the page points to 3 new software releases :
> >> Known Fixed Releases:         (3)
> >> 15.2(1)SY1.118
> >> 15.3(1)IE101.312
> >> 15.4(1)IA1.22
> >> Of these 3 releases none is available for download ????? There is even
> no 15.3 of 15.4 train available in the download software page...
> >
> > Cisco normally publish future releases as being fixed before the
> > releases become physically available. It is just a commitment from the
> > BU to say in which release a bug is going to get fixed. When the release
> > actually becomes available is orthogonal to the bug details.
> >
> >> Anyone has an idea where I can find a software release in which this
> problem is fixed so I can install this before activating these switches on
> our network ?
> >
> > We started using this platform back in 2014.
> >
> > We are using the code that was the only one available back then -
> > 15.1(2)SY2 - without any issue.
> >
> > We were actually just about to start a round of upgrades to the latest
> > stable release, but after seeing this thread, best to wait.
> >
> > In all fairness, we are running the switches as pure Layer 2 core
> > devices, but with lots of 10Gbps LACP links. No issues with that since
> 2014.
> >
> > If you don't have any features that require anything beyond 15.1(2)SY2,
> > I'd suggest trying this if there aren't any defects in it worth noting
> > for your environment.
> >
> > Mark.
> > _______________________________________________
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