While I am an IT technician with over a couple decades of experience, I am brand new to Sophos routers. I am over 99% sure that a new XG-106 router that I am pre-configuring for a client of mine, shipped from the factory with firmware version "17.5 11 MR11" installed on it. While pre-configuring this router, I discovered that I needed to upgrade the firmware to version 18, to get some needed functionality (a second DHCP IP-range/server for a VLAN....apparently that's not supported on any XG firmware version lower that v18....at least according to the following forum post: https://community.sophos.com/products/xg-firewall/f/network-and-routing/92710/dhcp-for-vlans).
Therefore, I backed up my XG's settings (thank goodness!), and I then upgraded to v18.0 GA-Build354. That firmware upgrade was successful, but then, when I went to restore the XG's settings (via that backups file), I get the error message of: "Backup cannot be restored on this firmware."
So I do a little more research, and I find that an even newer version of the v18 firmware had actually, recently been released (v18 MR1), but then had to be pulled back due to significant bugs: https://community.sophos.com/kb/en-us/135378
However, in that same article, it says: "Customers who have already updated to the latest v17.5 build MR11 [which my XG shipped with from the factory], must wait for the revised v18 MR1 release."
QUESTIONS:
1) Is that last sentence above, the reason that I am getting that settings restore error I mentioned above, or not?
2) Why can't I restore my settings in the scenario I've described above? In other words, if the answer to my question #1 immediately above is "yes," then can some explain how firmware releases of GA's and MR's are incompatible?? I am having a hard time understanding that.
3) Also based on the scenario above, since I cannot install this router onsite at the client's office until I have a DHCP server with a second range working on a VLAN, then that means that I can't install this router at the client's office until firmware v18 MR1 is released, correct? If so, is there any ETA on a fixed version of v18 MR1 being released?
Thank you in advance for your assistance!
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