We have 2 sfp+ 10Gbit modules, and equipped with Broadcom BCM84891LB
They can work in Ubuntu24.10 & Windows11 , but can't work in OpenWrt24.10 with BPI-R4
Did you try with kmod-phy-bcm84881 installed?
I think I have one with the same chipset (FS SFP-10G-T-100). It didn't work for me either
I tried. Also didn't work
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