[j-nsp] JunOS 10.4R8.5 on MX5? Am I forced to run 11.4+?

[Paul Stewart]

It will crash miserably..... been there, done that ;)  I can't remember which release I was downgrading to and from... but I did try to downgrade an MX10 and got the "hardware not supported" error.  Went ahead anyways and poof!

Had to reinstall with USB ... thankfully it wasn't in production and I was onsite...

Paul


-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Timh Bergström
Sent: March-22-12 4:21 AM
To: Tima Maryin
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] JunOS 10.4R8.5 on MX5? Am I forced to run 11.4+?

Hi,

Thanks for the information, it gives some answers. But what would actually happen if I try to install 10.4R8.5 with no-validate etc and "force" it to accept it, would it stop working or not, since it's the same hardware as the MX80 but with other "descriptions" it should work, but I'm unsure. Don't want to brick it. :-)

//T

On Thu, Mar 22, 2012 at 9:13 AM, Tima Maryin <timamaryin at mail.ru> wrote:
> Hi,
>
>
> Here:
> http://www.juniper.net/techpubs/en_US/junos11.2/information-products/t
> opic-collections/release-notes/11.2/topic-57399.html
>
>
> "New MX5, MX10, and MX40 3D Universal Edge Routers—Three new routers 
> based on the modular MX80 chassis are available in Junos OS Release 11.2R6."
>
>
> Though in 11.4 relnotes it's 11.2R3 :-/ So you probably should try 
> 11.2R6.
>
>
>
>
>
> On 22.03.2012 11:16, Timh Bergström wrote:
>>
>> Hi,
>>
>> I recently bought a MX5-T (Instead of the MX80-5G) and I'm running
>> 10.4R8.5 on my other MX80s and would naturally like to run the same 
>> codebase on all my MX-series hardware. However when I try to install 
>> the 10.4R8.5 release on the MX5-T it says that the platform is not 
>> supported, I thought the MX5/10/40 was the same hardware as the MX80 
>> (it surely looks the same, side-by-side)?
>>
>> Does anyone have any thoughts or information on this? It got 
>> delivered with 11.4R1.14 and I actually have no use of imix/etc 
>> whatever the new features is in the 11.X, I just want to run them as 
>> network edges with eBGP, iBGP and OSPF, no special stuff, and I'm 
>> happy with 10.4R8.5 so far.
>>
>> I also tried (for fun) to downgrade to 11.2R5.4 (which is the 
>> recommended release according to JTAC) but that didn't work either, 
>> the mgd process core-dumped and the validation failed, I did not run 
>> with "no-validate" (yet) for neither of the softwares.
>
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--
Timh Bergström
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