I can only offer that if you want to go 13.x direct to 17.x: - you ought to do a lab test as this is not officially endorsed. - I know downgrading from 17.x to 15.1 has been problematic in our lab, requiring USB stick recovery. - I know that upgrading from 15.1 to 17.4 is fine.
Avoiding lab time/risk, what Ola suggests is the simplest most pragmatic approach if you have a small number of boxes. If you have many, 13.x direct to 17.x is a more attractive option if you can prove in the lab, to your satisfaction, that it works for you. Niall Donaghy Senior Network Engineer GÉANT T: +44 (0)1223 371393 M: +44 (0) 7557770303 Skype: niall.donaghy-dante PGP Key ID: 0x77680027 nic-hdl: NGD-RIPE Please note my work days are Tuesday through Friday. Networks • Services • People Learn more at www.geant.org GÉANT Vereniging (Association) is registered with the Chamber of Commerce in Amsterdam with registration number 40535155 and operates in the UK as a branch of GÉANT Vereniging. Registered office: Hoekenrode 3, 1102BR Amsterdam, The Netherlands. UK branch address: City House, 126-130 Hills Road, Cambridge CB2 1PQ, UK. -----Original Message----- From: juniper-nsp [mailto:[email protected]] On Behalf Of Ola Thoresen Sent: 08 March 2019 09:41 To: [email protected] Subject: Re: [j-nsp] Old JunOS upgrade path Not that I am in any way authoritative... And I think Juniper has official guidelines, but these might be a bit conservative. Depending on your config and feature sets. But I would at least suggest doing a few steps. 13.2 to 15.1 should be ok - skipping 14. 15.1 to 17.1 (and probably even 17.4) should also be ok, skipping 16. But do a backup, and verify in each step. The biggest changes are from < 15 to 15+ /Ola (T) On 08.03.2019 10:23, Robert Hass wrote: > Hi > Can I do direct upgrade of JunOS 13.2S to 17.4S ? > Platform is MX80 > Or should I go step by step: i.e: > 13.2 -> 14.1 > 14.1 -> 15.1 > 15.1 -> 16.1 > 16.1 -> 17.1 > 17.1 -> 17.4 > > Rob > _______________________________________________ > juniper-nsp mailing list [email protected] > https://puck.nether.net/mailman/listinfo/juniper-nsp _______________________________________________ juniper-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/juniper-nsp
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