wenxu <wenxu@xxxxxxxxx> wrote: > ns21 iperf to 10.0.0.8 with dport 22 in ns22 > first time with OFFLOAD enable > > nft add flowtable bridge firewall fb2 { hook ingress priority 0 \; devices = { veth21, veth22 } \; } > nft add chain bridge firewall ftb-all {type filter hook forward priority 0 \; policy accept \; } > nft add rule bridge firewall ftb-all counter ct zone 2 ip protocol tcp flow offload @fb2 > > # iperf -c 10.0.0.8 -p 22 -t 60 -i2 [..] > [ 3] 0.0-60.0 sec 353 GBytes 50.5 Gbits/sec > > The second time on any offload: > # iperf -c 10.0.0.8 -p 22 -t 60 -i2 > [ 3] 0.0-60.0 sec 271 GBytes 38.8 Gbits/sec Wow, this is pretty impressive. Do you have numbers without offload and no connection tracking? Is this with CONFIG_RETPOLINE=y (just curious)?