On Sun, Feb 11, 2024 at 10:42:32AM -0800, Chris Cappuccio wrote: > huh, after i migrated nat fw from 82599 (ix) with LRO on (default) to > a CX4121A (mcx) flashed to latest nvidia firmware and now i'm getting > 900mbps on single tcp throughput
> (endpoints still using lro on em and ix) em(4) does not support the LRO feature, just TSO with mglocker's diff. > and very consistently getting close to the full 1gbps > thruoghput on single tcp connections now instead of slower and slightly > varying results. guess i should go back and test ix with LRO off on > the pf box. Sorry, I don't get your problem. You changed your firewall NICs from ix(4) to mcx(4) and the throughput got slower? Or, the speed it varying between 0.9 gbps and 1.0 gbps?
