[j-nsp] Juniper MX Upgrade / Configuration question

Haynes, Matthew mhaynes at lightower.com
Thu Oct 16 07:28:19 EDT 2014

I just wish they made it so that you could save updates, I found that the code is put in a temp package with a bunch of other "stuff" and cannot be edited. That or use the /var/db/config/juniper.config.pre-install file.

Regardless the answer is reinstall the software when you get ready to actually upgrade the router.

I will tell you all this, if your under the delusion like I was that its using the running configuration when you reboot to a new image your mistaken.

-----Original Message-----
From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Saku Ytti
Sent: Thursday, October 16, 2014 6:08 AM
To: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] Juniper MX Upgrade / Configuration question

On (2014-10-16 09:52 +0200), Sebastian Wiesinger wrote:

Hi Sebastian,

> > I was wondering if anyone knows where a MX router stores the boot 
> > configuration its going to use after you load a new version of code 
> > on the router.

> a software upgrade does not change the configuration. It will use 
> /config/juniper.conf.gz as always. I never saw anything else during SW 
> upgrades.

If I understood Matt correctly his problem is, he has already done 'request system software add', which stores the config somewhere to be used after upgrade and further commits will not be included in that.
He'd like to make changes to the configs before reloading the boxes and ensure the config changes are included.

I've been quite annoyed by this, since it means you have to be awake in maintenance window 30min-1h longer than you should, because you can't pre-load the new software then in maintenace window just boot.

I guess most people from IOS world used to copy software in office hours, setup boot variable etc. Then in maint window just do 'reload', this is not viable process in JunOS world. And I'd like to hear answer to Matt's problem myself.

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