uname -a: Linux sova 5.10.53-1-MANJARO #1 SMP PREEMPT Mon Jul 26 07:18:28 UTC 2021 x86_64 GNU/Linux tc -V: tc utility, iproute2-5.13.0 fq_codel flow hash keys src --------------------------- qdisc htb 1: root refcnt 2 r2q 10 default 0xfffe direct_packets_stat 0 direct_qlen 1000 qdisc fq_codel fffe: parent 1:fffe limit 10240p flows 65536 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64 filter protocol all pref 49152 flow chain 0 filter protocol all pref 49152 flow chain 0 handle 0x1 hash keys src divisor 65536 baseclass fffe:1 qdisc htb 1: root refcnt 2 r2q 10 default 0xfffe direct_packets_stat 0 direct_qlen 1000 qdisc fq_codel fffe: parent 1:fffe limit 10240p flows 65536 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64 filter protocol all pref 49152 flow chain 0 filter protocol all pref 49152 flow chain 0 handle 0x1 hash keys src divisor 65536 baseclass fffe:1 iperf3 -P 1 -B 10.7.0.1 -c 10.7.1.1 -p 5101 iperf3 -P 2 -B 10.7.0.2 -c 10.7.1.1 -p 5102 Connecting to host 10.7.1.1, port 5101 [ 5] local 10.7.0.1 port 57785 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 28.8 MBytes 24.1 Mbits/sec 192 22.6 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.8 MBytes 24.1 Mbits/sec 192 sender [ 5] 0.00-10.01 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.1, port 5102 [ 5] local 10.7.0.2 port 54493 connected to 10.7.1.1 port 5102 [ 7] local 10.7.0.2 port 35181 connected to 10.7.1.1 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 13.8 MBytes 11.6 Mbits/sec 251 15.6 KBytes [ 7] 0.00-10.00 sec 16.0 MBytes 13.4 Mbits/sec 255 18.4 KBytes [SUM] 0.00-10.00 sec 29.8 MBytes 25.0 Mbits/sec 506 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 13.8 MBytes 11.6 Mbits/sec 251 sender [ 5] 0.00-10.01 sec 13.6 MBytes 11.4 Mbits/sec receiver [ 7] 0.00-10.00 sec 16.0 MBytes 13.4 Mbits/sec 255 sender [ 7] 0.00-10.01 sec 14.9 MBytes 12.5 Mbits/sec receiver [SUM] 0.00-10.00 sec 29.8 MBytes 25.0 Mbits/sec 506 sender [SUM] 0.00-10.01 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. cake srchost besteffort ----------------------- qdisc cake 8184: root refcnt 2 bandwidth 50Mbit besteffort srchost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 8185: root refcnt 2 bandwidth 50Mbit besteffort srchost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 iperf3 -P 1 -B 10.7.0.1 -c 10.7.1.1 -p 5101 iperf3 -P 2 -B 10.7.0.2 -c 10.7.1.1 -p 5102 Connecting to host 10.7.1.1, port 5101 [ 5] local 10.7.0.1 port 45881 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 184 11.3 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 184 sender [ 5] 0.00-10.00 sec 19.0 MBytes 16.0 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.1, port 5102 [ 5] local 10.7.0.2 port 44807 connected to 10.7.1.1 port 5102 [ 7] local 10.7.0.2 port 58053 connected to 10.7.1.1 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 181 9.90 KBytes [ 7] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 177 11.3 KBytes [SUM] 0.00-10.00 sec 38.2 MBytes 32.1 Mbits/sec 358 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 181 sender [ 5] 0.00-10.00 sec 19.0 MBytes 15.9 Mbits/sec receiver [ 7] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 177 sender [ 7] 0.00-10.00 sec 19.0 MBytes 15.9 Mbits/sec receiver [SUM] 0.00-10.00 sec 38.2 MBytes 32.1 Mbits/sec 358 sender [SUM] 0.00-10.00 sec 38.0 MBytes 31.9 Mbits/sec receiver iperf Done. cake dual-srchost besteffort ---------------------------- qdisc cake 8186: root refcnt 2 bandwidth 50Mbit besteffort dual-srchost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 8187: root refcnt 2 bandwidth 50Mbit besteffort dual-srchost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 iperf3 -P 1 -B 10.7.0.1 -c 10.7.1.1 -p 5101 iperf3 -P 2 -B 10.7.0.2 -c 10.7.1.1 -p 5102 Connecting to host 10.7.1.1, port 5101 [ 5] local 10.7.0.1 port 37223 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 28.6 MBytes 24.0 Mbits/sec 129 14.1 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.6 MBytes 24.0 Mbits/sec 129 sender [ 5] 0.00-10.00 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.1, port 5102 [ 5] local 10.7.0.2 port 53831 connected to 10.7.1.1 port 5102 [ 7] local 10.7.0.2 port 55217 connected to 10.7.1.1 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 164 7.07 KBytes [ 7] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 168 8.48 KBytes [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 332 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 164 sender [ 5] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec receiver [ 7] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 168 sender [ 7] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec receiver [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 332 sender [SUM] 0.00-10.00 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. fq_codel flow hash keys dst --------------------------- qdisc htb 1: root refcnt 2 r2q 10 default 0xfffe direct_packets_stat 0 direct_qlen 1000 qdisc fq_codel fffe: parent 1:fffe limit 10240p flows 65536 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64 filter protocol all pref 49152 flow chain 0 filter protocol all pref 49152 flow chain 0 handle 0x1 hash keys dst divisor 65536 baseclass fffe:1 qdisc htb 1: root refcnt 2 r2q 10 default 0xfffe direct_packets_stat 0 direct_qlen 1000 qdisc fq_codel fffe: parent 1:fffe limit 10240p flows 65536 quantum 1514 target 5ms interval 100ms memory_limit 32Mb ecn drop_batch 64 filter protocol all pref 49152 flow chain 0 filter protocol all pref 49152 flow chain 0 handle 0x1 hash keys dst divisor 65536 baseclass fffe:1 iperf3 -P 1 -B 10.7.0.1 -c 10.7.1.1 -p 5101 iperf3 -P 2 -B 10.7.0.1 -c 10.7.1.2 -p 5102 Connecting to host 10.7.1.1, port 5101 [ 5] local 10.7.0.1 port 54047 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 29.0 MBytes 24.4 Mbits/sec 196 19.8 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 29.0 MBytes 24.4 Mbits/sec 196 sender [ 5] 0.00-10.01 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.2, port 5102 [ 5] local 10.7.0.1 port 43013 connected to 10.7.1.2 port 5102 [ 7] local 10.7.0.1 port 47937 connected to 10.7.1.2 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 13.7 MBytes 11.5 Mbits/sec 247 12.7 KBytes [ 7] 0.00-10.00 sec 15.4 MBytes 12.9 Mbits/sec 233 12.7 KBytes [SUM] 0.00-10.00 sec 29.1 MBytes 24.4 Mbits/sec 480 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 13.7 MBytes 11.5 Mbits/sec 247 sender [ 5] 0.00-10.01 sec 13.4 MBytes 11.2 Mbits/sec receiver [ 7] 0.00-10.00 sec 15.4 MBytes 12.9 Mbits/sec 233 sender [ 7] 0.00-10.01 sec 15.1 MBytes 12.7 Mbits/sec receiver [SUM] 0.00-10.00 sec 29.1 MBytes 24.4 Mbits/sec 480 sender [SUM] 0.00-10.01 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. cake dsthost besteffort ----------------------- qdisc cake 8188: root refcnt 2 bandwidth 50Mbit besteffort dsthost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 8189: root refcnt 2 bandwidth 50Mbit besteffort dsthost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 iperf3 -P 1 -B 10.7.0.1 -c 10.7.1.1 -p 5101 iperf3 -P 2 -B 10.7.0.1 -c 10.7.1.2 -p 5102 Connecting to host 10.7.1.1, port 5101 [ 5] local 10.7.0.1 port 36777 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 19.1 MBytes 16.1 Mbits/sec 181 9.90 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.1 Mbits/sec 181 sender [ 5] 0.00-10.00 sec 19.0 MBytes 16.0 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.2, port 5102 [ 5] local 10.7.0.1 port 35705 connected to 10.7.1.2 port 5102 [ 7] local 10.7.0.1 port 43427 connected to 10.7.1.2 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 19.1 MBytes 16.1 Mbits/sec 180 15.6 KBytes [ 7] 0.00-10.00 sec 19.1 MBytes 16.1 Mbits/sec 184 9.90 KBytes [SUM] 0.00-10.00 sec 38.3 MBytes 32.1 Mbits/sec 364 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.1 Mbits/sec 180 sender [ 5] 0.00-10.00 sec 19.0 MBytes 15.9 Mbits/sec receiver [ 7] 0.00-10.00 sec 19.1 MBytes 16.1 Mbits/sec 184 sender [ 7] 0.00-10.00 sec 19.0 MBytes 15.9 Mbits/sec receiver [SUM] 0.00-10.00 sec 38.3 MBytes 32.1 Mbits/sec 364 sender [SUM] 0.00-10.00 sec 38.0 MBytes 31.9 Mbits/sec receiver iperf Done. cake dual-dsthost besteffort ---------------------------- qdisc cake 818a: root refcnt 2 bandwidth 50Mbit besteffort dual-dsthost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 818b: root refcnt 2 bandwidth 50Mbit besteffort dual-dsthost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 iperf3 -P 1 -B 10.7.0.1 -c 10.7.1.1 -p 5101 iperf3 -P 2 -B 10.7.0.1 -c 10.7.1.2 -p 5102 Connecting to host 10.7.1.1, port 5101 [ 5] local 10.7.0.1 port 39515 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 126 14.1 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 126 sender [ 5] 0.00-10.00 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.2, port 5102 [ 5] local 10.7.0.1 port 33803 connected to 10.7.1.2 port 5102 [ 7] local 10.7.0.1 port 47307 connected to 10.7.1.2 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 163 9.90 KBytes [ 7] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 164 7.07 KBytes [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 327 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 163 sender [ 5] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec receiver [ 7] 0.00-10.00 sec 14.4 MBytes 12.1 Mbits/sec 164 sender [ 7] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec receiver [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 327 sender [SUM] 0.00-10.00 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done.