[j-nsp] MX104 recommended Junos version?

[Josh Baird]

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 <mlfreita at 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 <joshbaird at 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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>
>