[j-nsp] Experience with QFX5100 13.2 & 14.1

[Tim Jackson]

L3/MPLS LSR - Great experience, one issue currently in 14.1X53-D15 is any
traffic that would have been sent an ICMP redirect (even with that turned
off) will be duplicated.. One copy forwarded through the RE, one copy
through T2 caused by PR1022354 (there are other scenarios that can cause
this, too.. and this is still unfixed).. I think in 13.x there is an LDP
bug (PR889585), but it's easy to work around.

L2 - Several issues with it.. DHCPv4 Traffic in I think up to 13.2X53-D25
in L2 will be silently discarded (punted to the RE as you can see this
traffic by doing monitor traffic).. 14.1X53-D10+ fixes this (maybe
13.2X53-D25). DHCPv6 traffic is still broken in even 14.1X53-D15, no PR for
that one yet.

I've also had several QFX5100-96S boxes reboot without reason (on software
all the way up to 14.1X53-D10), 0 logs, like they were powered off.. Still
haven't found the root cause of this one yet, we're suspecting a bad batch
of hardware possibly.

I have several that are about to enter a mixed L2+L3/MPLS P/PE role soon..
MC-LAG+L2+L3/MPLS+L3VPN all on a pair.. So far with testing that there
haven't been any issues outside of the previously mentioned L2 gotchas.


In general the experience has been pretty positive with them outside of a
few L2 snafus.. I'm also not using the boxes in a traditional DC role,
these are all SP roles..


On Thu, Jan 15, 2015 at 1:30 AM, Richard Hartmann <
richih.mailinglist at gmail.com> wrote:

> Dear all,
>
> I was wondering what experience, if any, you have had with QFX5100.
>
> Of special interest would be what JunOS version you are running, what
> features you have enabled, and if you consider them production-ready.
>
>
> This question is open-ended on purpose.
>
>
> Thanks,
> Richard
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