Sorry I realised I forgot to mention the version openvpn-2.4.7p1 and OpenBSD6.6 Stable (amd64) running on a 2 core (1socket) Xeon e5v2 KVM Guest with Q35 Vm type with intel ix(4) nics I will test against Current also once I have gotten a baseline on the release+ Patches version
Thanks, Tom Smyth On Fri, 10 Jan 2020 at 13:00, Tom Smyth <tom.sm...@wirelessconnect.eu> wrote: > > Hi lads, > > I have been doing some testing with tap(4) and openvpn (standard ssl ) > I have been using openvpn with tap and I have been trying with null > encryption. null authentication, > the performance of the tap interface seems to be about 100-150Mb/s on a > system > which can give 3Gb/s-5Gb/s on ix(4) interfaces in Bridge mode and > 4-8Gb/s on tpmr mode > I was wondering is there a sysctl setting that if modified would > improve the tap interface performance. > I have tried with tpmr(4) and bridge(4) > > is there a simple way testing a tap(4) interface throughput / > performance without Openvpn process > > I can try mlvpn and wireguard > but I would love if there was a trick where I can just test the tap(4) > interface with something like pair(4)... > > ix0---bridge0--tap0---someprocess--tap1-bridge1--ix1 > or > ix0--tpmr0--tap0--someprocess--tap1-tpmr1-ix1 > > is there a simple "someprocess" that would provide forwarding packets > between tap0 and tap1 in userland > so that any performance testing on tap(4) interfaces does not have the > distractions of complex userland programs with encryption / > encapsulation overheads > > Thanks for your time > Tom Smyth > > -- > Kindest regards, > Tom Smyth. -- Kindest regards, Tom Smyth.
