- Hetzner KVM host
- VM with 6 vCPU
- Virtio nic (4 queues)
- FFMUC x86 offloader image
Iperf is running directly on the offloader VM
root@fadenb-offloader-test:~# iperf3 -c fe80::281:8eff:fef0:73aa%wg_mesh_vpn
Connecting to host fe80::281:8eff:fef0:73aa%wg_mesh_vpn, port 5201
[ 5] local fe80::2f8:17ff:fed9:88ab port 34708 connected to fe80::281:8eff:fef0:73aa port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 28.0 MBytes 235 Mbits/sec 0 1.22 MBytes
[ 5] 1.00-2.00 sec 110 MBytes 923 Mbits/sec 2 1.71 MBytes
[ 5] 2.00-3.00 sec 105 MBytes 881 Mbits/sec 1 1.28 MBytes
[ 5] 3.00-4.00 sec 101 MBytes 849 Mbits/sec 0 1.35 MBytes
[ 5] 4.00-5.00 sec 106 MBytes 891 Mbits/sec 0 1.40 MBytes
[ 5] 5.00-6.00 sec 102 MBytes 860 Mbits/sec 0 1.43 MBytes
[ 5] 6.00-7.00 sec 91.2 MBytes 765 Mbits/sec 0 1.45 MBytes
[ 5] 7.00-8.00 sec 92.5 MBytes 776 Mbits/sec 0 1.49 MBytes
[ 5] 8.00-9.00 sec 101 MBytes 849 Mbits/sec 0 1.54 MBytes
[ 5] 9.00-10.00 sec 106 MBytes 891 Mbits/sec 0 1.59 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 944 MBytes 792 Mbits/sec 3 sender
[ 5] 0.00-10.04 sec 938 MBytes 783 Mbits/sec receiver
iperf Done.
root@fadenb-offloader-test:~#
Iperf is running directly on the offloader VM
root@fadenb-offloader-test:~# iperf3 -c fe80::2cee:e3ff:feb1:6aec%mesh-vpn
Connecting to host fe80::2cee:e3ff:feb1:6aec%mesh-vpn, port 5201
[ 5] local fe80::586e:52ff:fee6:c9df port 47488 connected to fe80::2cee:e3ff:feb1:6aec port 5201
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 92.6 MBytes 777 Mbits/sec 19 1.73 MBytes
[ 5] 1.00-2.00 sec 100 MBytes 839 Mbits/sec 1 1.34 MBytes
[ 5] 2.00-3.00 sec 100 MBytes 839 Mbits/sec 0 1.46 MBytes
[ 5] 3.00-4.00 sec 96.2 MBytes 807 Mbits/sec 0 1.54 MBytes
[ 5] 4.00-5.00 sec 98.8 MBytes 828 Mbits/sec 0 1.61 MBytes
[ 5] 5.00-6.00 sec 97.5 MBytes 818 Mbits/sec 3 1.18 MBytes
[ 5] 6.00-7.00 sec 96.2 MBytes 807 Mbits/sec 0 1.25 MBytes
[ 5] 7.00-8.00 sec 92.5 MBytes 776 Mbits/sec 0 1.31 MBytes
[ 5] 8.00-9.00 sec 92.5 MBytes 776 Mbits/sec 0 1.35 MBytes
[ 5] 9.00-10.00 sec 98.8 MBytes 828 Mbits/sec 9 1.39 MBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-10.00 sec 965 MBytes 810 Mbits/sec 32 sender
[ 5] 0.00-10.05 sec 960 MBytes 802 Mbits/sec receiver
iperf Done.
Iperf is running directly on the offloader VM
root@fadenb-offloader-test:~# iperf3 -c freifunkm01.ring.nlnog.net -p 5207 -P 1 -t 15
Connecting to host freifunkm01.ring.nlnog.net, port 5207
[ 5] local 2001:678:e68:109:5054:ff:fe25:9a8f port 59878 connected to 2001:678:e68:ff00::6 port 5207
[ ID] Interval Transfer Bitrate Retr Cwnd
[ 5] 0.00-1.00 sec 7.38 MBytes 61.9 Mbits/sec 104 44.6 KBytes
[ 5] 1.00-2.00 sec 3.25 MBytes 27.2 Mbits/sec 51 46.0 KBytes
[ 5] 2.00-3.00 sec 4.04 MBytes 33.9 Mbits/sec 48 66.9 KBytes
[ 5] 3.00-4.00 sec 5.64 MBytes 47.3 Mbits/sec 26 51.6 KBytes
[ 5] 4.00-5.00 sec 3.98 MBytes 33.4 Mbits/sec 31 36.3 KBytes
[ 5] 5.00-6.00 sec 4.04 MBytes 33.9 Mbits/sec 7 69.7 KBytes
[ 5] 6.00-7.00 sec 5.03 MBytes 42.2 Mbits/sec 6 61.4 KBytes
[ 5] 7.00-8.00 sec 6.56 MBytes 55.0 Mbits/sec 15 61.4 KBytes
[ 5] 8.00-9.00 sec 5.64 MBytes 47.3 Mbits/sec 1 103 KBytes
[ 5] 9.00-10.00 sec 6.50 MBytes 54.5 Mbits/sec 4 96.2 KBytes
[ 5] 10.00-11.00 sec 6.43 MBytes 54.0 Mbits/sec 23 109 KBytes
[ 5] 11.00-12.00 sec 9.68 MBytes 81.2 Mbits/sec 4 123 KBytes
[ 5] 12.00-13.00 sec 10.1 MBytes 84.3 Mbits/sec 2 126 KBytes
[ 5] 13.00-14.00 sec 7.23 MBytes 60.7 Mbits/sec 14 79.5 KBytes
[ 5] 14.00-15.00 sec 8.82 MBytes 74.0 Mbits/sec 3 99.0 KBytes
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate Retr
[ 5] 0.00-15.00 sec 94.3 MBytes 52.7 Mbits/sec 339 sender
[ 5] 0.00-15.00 sec 92.2 MBytes 51.6 Mbits/sec receiver
iperf Done.
- Near linespeed (1gbit/s) can be reached -> no generic network issues
- wireguard is close to linespeed
- wireguard + vxlan is close to linespeed
- When batman is involved throughput is severly lowered