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Re: Secure DNS. I switched my router back from the EdgeRouter Lite 3 to an EdgeRouter X, which I hastily installed OpenWrt on. I also followed the wrong guide to installing it.
A guide suggested using some Github person's compact factory upgrade image, and I picked the 22.03 image. This image installed fine, but was unable to sysupgrade to the official image without producing a broken device.
I ended up doing precisely what I should have in the first place: I used my serial cable to attach to the ERX's serial header, found it was failing to mount the root partition and panicking, so I commanded it to flash and boot the initramfs-kernel.bin from OpenWrt 22.03, then sysupgraded it to the squashfs image, which worked this time.
Then I eventually sysupgraded it to 23.05-rc1, which includes the upstream fix to allow full GigE symmetrical to the CPU for offloaded NAT. Not that I need this sort of performance right now.
I intend to eventually get a different device, if we ever decide to upgrade our Internet connection to faster service, and I decide we need SQM support. #openwrt #linux