On my EX4550, I recall going from 12 to 15 to get some mpls function. But I also recall having issues with mpls services and then later removing those mpls services.
From: Richard McGovern [mailto:email@example.com]
Sent: Thursday, October 17, 2019 5:27 AM
To: Josh Baird
Cc: Juniper List
Subject: Re: [j-nsp] JunOS on EX4550?
In my view best stability, used by most people (all of my customers are on 12.3 only), and no feature set differences. When 15.1 came out initially there were some concerns, so IMHO most just stayed on 12.3 once it was announced to have continued support.
Just my 2 cents worth.
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On Oct 17, 2019, at 12:01 AM, Josh Baird <firstname.lastname@example.org> wrote:
Thanks, Richard. Any particular reason why I would be better off using 12.3R12?
On Wed, Oct 16, 2019 at 5:53 PM Richard McGovern <email@example.com<mailto:firstname.lastname@example.org>> wrote:
No. For legacy EX switches, for which EX4500/EX4550 fall into, 15.1 is last release. At the same time, I think you might have best results using 12.3R12-S[latest] instead. Both 12.3 and 15.1 will be maintained for life of legacy EX switches.
Sr Sales Engineer, Juniper Networks
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?On 10/16/19, 1:50 PM, "Josh Baird" <email@example.com<mailto:firstname.lastname@example.org>> wrote:
Is it possible (and recommended) to run anything newer than 15.1 on EX4550
(which is what the JTAC-recommended version currently is).
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