We have an XG135 currently running SFOS 18.5.4 MR-4-Build418 but have learned that this is due to be EOL by the end of June (it would be nice if we could be alerted about this rather than having to manually check https://support.sophos.com/support/s/article/KB-000035279?language=en_US#xgfirewallsoftware).
We have been hesitant to move to v19x as v18.5 has been stable and I have heard about critical IPsec issues in certain versions of v19x where it was not possible to connect after the upgrade and downloading a new SCX file would be corrupt or empty.
I also heard about this user that had wifi issues after a similar upgrade path (v18.5 to v19 MR2) to what we are considering: RE: Sophos Firewall: v19.0 MR2: Feedback and experiences (we don't use Sophos wifi access points but do have a VLAN configured for Cisco access points)
We use VPN heavily so I would particularly like to avoid the IPsec issue - I'm hoping it has been resolved in v19 MR2. I also believe that we can roll back to v18.5 from v19 (but not v19.5)? This is not something that I have any experience of and would rather not have to use it but it would be reasuring to have the option of rolling back.
Has anyone else been through the same upgrade path, particularly using the XG135 or similar? Anything else that we should be aware of?
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