We are running version 15.1R5 and 15.1R5-S4 in most of our routers. We upgraded the version to use BGP PIC in inet.0.

Until now everything is working pretty good.


MT

Em 23/06/2017 10:57, Josh Baird escreveu:
We had to upgrade to 14.1.R7 (per JTAC) due to a memory/resource issue when
using unofficial optics.

On Fri, Jun 23, 2017 at 9:52 AM, Matt Freitag <mlfre...@mtu.edu> wrote:

I'm still on 13.3R9, their previous recommendation, and don't have a
problem.

Matt Freitag
Network Engineer
Information Technology
Michigan Technological University
(906) 487-3696 <%28906%29%20487-3696>
https://www.mtu.edu/
https://www.mtu.edu/it

On Fri, Jun 23, 2017 at 9:28 AM, Josh Baird <joshba...@gmail.com> wrote:

This page [1] shows that the recommended version is 15.1R6, but this page
[1] says 14.1R7 for the MX104.  I know the MX104's PPC RE cannot use the
SMP kernel included in 15.1, but I understand an older kernel will be
installed for these PPC devices.

I'm currently running 14.2R6.5 but I am having some problems with high CPU
sporadically that doesn't necessarily correlate to any periods of high
traffic, etc.  Every 6 hours, the RE CPU climbs until it reaches ~60%
(sometimes higher into the ~80% range) and then falls back down to ~5%.  I
never saw this behavior when we were running 13.x with the same traffic
levels.

"show chassis routing-engine" shows most of the CPU usage at this time is
used by the kernel.

"show system process extensive" shows that chassisd is the main hog.

I suppose my question is.. what Junos release appears to be the most
stable
for the MX104 platform?  Not doing anything special here - a few eBGP
peers, simple routing policy, etc.

Thanks,

Josh

[1]
https://kb.juniper.net/InfoCenter/index?page=content&id=
KB21476&actp=METADATA
[2] http://www.juniper.net/support/downloads/?p=mx104#sw
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