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I didn't get far enough to troubleshoot the nftables setup (VERY new to this). I might be able to cheat and use OVS, but probably not what you wanted to do. Will try later this week.

I feel like we need some agreement on what "offload" really means. Modern NICs can "offload" some of the packet checksumming to reduce [kernel] overhead when processing packets (either TX and/or RX). The purpose of enabling switchdev mode in a NIC is to properly place the packet (based upon a...

I'm new with nftables. Are you using nftables for setting the VLAN tags or setting them on the representor interfaces?

Found my old notes. Setting up my test systems now. I went down the Intel E810 route too. IIRC there wasn't too much different from the Intel and Mellanox setups. Some worthwhile reading: https://netdevconf.info/1.2/slides/oct6/04_gerlitz_efraim_introduction_to_switchdev_sriov_offloads.pdf OVS...

The key issue is having some code that can take a NAT decision, and instruct the NIC with the right flow info. Note: I never tried this with nftables, as in your post topic. Just with OVS, for the use case I was interested in. This diagram Flowtables - nftables wiki would imply it's possible...

I recognize the age of this thread, but just came across it. I went down this path several years ago and there were a few things that prohibited using the hardware offload features for routing: The ConnectX-5 NIC (actually, CX4-LX, CX5, and newer) don't allow for the HW flows across PHY...

There's a single fan in the machine, but it's a server-class one. Meaning, it's loud. However, it can probably be replaced by a quiet Noctua one. Edit: I also have 2 3.5" 7200rpm drives installed, so it's generating more heat that without. No 3.5" drives, it's quiet.

Two options: I set two 3.5" drives in place, but then used several little stick-on rubber feet on the HD that kept everything snug when the cover was on. Computer isn't going to move around much anyways. Second option is using a Corsair Dual SSD Mounting Bracket 3.5" CSSD-BRKT2...

Pretty please!