Following this thread (thanks to @mkx)
I am trying to enable l3-hw on my CRS310 (on RouterOS 7.5).
I activated l3-hw on the switch and on all interfaces except sfp-sfpplus1 where my ISP box is connected (and switch1 cpu which is disabled by default).
/interface/ethernet/switch set 0 l3-hw-offloading=yes
/interface/ethernet/switch/port set [find] l3-hw-offloading=yes
/interface/ethernet/switch/port set sfp-sfpplus1 l3-hw-offloading=no
After reboot, no change. During speedtest, my CPU load goes up to 80% and I’m still at 1000Mbps max. Existing traffic does not pass through the fasttrack rules.
/ip/firewall/filter add action=fasttrack-connection chain=forward connection-state=established,related hw-
offload=yes
/ip/firewall/filter add action=accept chain=forward connection-state=established,related
Is there something I did wrong? Also, I don’t understand the difference between enabling l3-hw on the switch and l3-hw on the switch cpu (switch1 cpu).
As a reminder, my configuration is recent, I have no vlan, and just one additional firewall rule (drop input not related/established)
Any help would be welcome.