On 8/Mar/19 16:56, Pierre Emeriaud wrote:
>
> As others said, direct upgrade is somewhat unsupported and quite bold.
>
> We're currently upgrading mx480s from 13.3R5 to 17.2R2 with an
> intermediate step on 15.1F5. As those are LNSes we have to activate
> tomcat (`services subscriber-management`) while in 15.1, then continue
> the upgrade.
If memory serves, we rolled out our new backbone back in 2014 on 14. We
totally skipped 15 and went straight to 16.
We are now on 17.
We usually do an upgrade once a year, in many cases moving to the next
major release in the line. We didn't do this for 15 because we spent
most of 2014 - 2016 in roll-out.
Mark.
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