Hi,
there are some confusions about what's online and what's offline upgrade.
The official SUSE terminology defines whether the target system is running
(online) or not (offline), it's NOT about the network connectivity!
See the official documentation for the details:
https://www.suse.com/documentation/sles-12/singlehtml/book_sle_deployment/b…
HTH
Ladislav
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Ladislav Slezák
YaST Developer
SUSE LINUX, s.r.o.
Corso IIa
Křižíkova 148/34
18600 Praha 8
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