Network Performance Issues on APU4c4

Hardware
22

IPFire also skip many things at processing of approved connections. (It’s a statefull firewall.)

  • OpenWRT, Mikrotik and others skip the connection entirely. It gets offloaded to hardware. CPU isn’t bothered at all. Obviously, it prevents much traffic processing from being applied (QoS, IPS).
    In my case, the device is getting flooded with interrupts. Ksoftirqd processes overwhelm the CPU :frowning: . Can someone share about reducing the IRQ load. I’ve tried Intel “interrupt moderation” with little luck.

Also irq and cpu-core pinning should done by IPFire since core160

  • Maybe, yet it isn’t working for my hardware. Can you refer myself to the relevant documentation?
23

On some devices with integrated switch/nat engines this may true but not on an APU. The APU has independend PCIe Nics that cannot do nat offload. (only transmit and recieve or checksumming can offloaded to the hardware.)

Check if ethtool report multiple queues and ntuple feature.

Normal both should enabled at default.
https://git.ipfire.org/?p=ipfire-2.x.git;a=commit;h=8be8ac63cafef9952f35c4b87883135e1b33ca4d

1 Like
24

3 posts were split to a new topic: Download speed limitation on APU