Hi, > On Fri, Mar 08, 2019 at 01:17:44PM -0700, Eldon Koyle wrote: >> Many (most?) network operating systems are an image file that the >> switch either writes over a partition (ie. block-level copy) or boots >> directly (ie. initrd/initramfs) with a separate partition for a config >> file. Junos is a full BSD operating system that installs packages to >> partitions on the device, runs upgrade scripts, etc. > > So?
I didn't do an upgrade but I replaced an SRX last week. Went from an SRX210 with 12.1X to an SRX345 with 18.4R. Almost the whole configuration was copy&paste. The interface names were different, but that was about it. I see no reason why an upgrade wouldn't have worked: it's basically the same as copy&pasting an old config to a new OS release. Cheers, Sander
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