Cudy WR3000 performance issues

[brada4]

Please install release 23.05.3 and follow up here:

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…

Likely no need for hardware offload at all, problem is caused by !=1500MTU and therefore oversized packets kicking offload out at pppoe interface.