HW offloading does not seem to work on MT7621, using version 23.05.2

[brada4]

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Massive PPPoE performance drop in 23.x with Archer C7 v2

First correct MSS: in /etc/nftables.d/mssfix.nft chain mangle_postrouting { type filter hook postrouting priority mangle; policy accept; oif $wan_devices tcp flags syn / syn,fin,rst tcp option maxseg size set rt mtu } (fw4 check && service firewall restart) Then apply this patch (note if ppoe lowlevel device is not vlan like eth0.1 it is not sufficient) -> view file -> raw -> upload to /usr/share/ucode/fw4.uc (backing up original just in case) then do the f…