uname -a: Linux prometheus 5.10.0-8-amd64 #1 SMP Debian 5.10.46-3 (2021-07-28) x86_64 GNU/Linux tc -V: tc utility, iproute2-5.9.0, libbpf 0.3.0 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 34233 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 193 17.0 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 193 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 59767 connected to 10.7.1.1 port 5102 [ 7] local 10.7.0.2 port 43927 connected to 10.7.1.1 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 14.7 MBytes 12.4 Mbits/sec 228 9.90 KBytes [ 7] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec 231 14.1 KBytes [SUM] 0.00-10.00 sec 29.0 MBytes 24.3 Mbits/sec 459 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 14.7 MBytes 12.4 Mbits/sec 228 sender [ 5] 0.00-10.01 sec 14.5 MBytes 12.1 Mbits/sec receiver [ 7] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec 231 sender [ 7] 0.00-10.01 sec 14.0 MBytes 11.8 Mbits/sec receiver [SUM] 0.00-10.00 sec 29.0 MBytes 24.3 Mbits/sec 459 sender [SUM] 0.00-10.01 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. cake srchost besteffort ----------------------- qdisc cake 802d: root refcnt 2 bandwidth 50Mbit besteffort srchost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 802e: 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 39303 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 19.2 MBytes 16.1 Mbits/sec 185 11.3 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.2 MBytes 16.1 Mbits/sec 185 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 33881 connected to 10.7.1.1 port 5102 [ 7] local 10.7.0.2 port 45953 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 187 11.3 KBytes [ 7] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 187 14.1 KBytes [SUM] 0.00-10.00 sec 38.3 MBytes 32.1 Mbits/sec 374 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 187 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 187 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 374 sender [SUM] 0.00-10.00 sec 38.0 MBytes 31.9 Mbits/sec receiver iperf Done. cake dual-srchost besteffort ---------------------------- qdisc cake 802f: root refcnt 2 bandwidth 50Mbit besteffort dual-srchost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 8030: 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 33307 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 130 18.4 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 130 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 57501 connected to 10.7.1.1 port 5102 [ 7] local 10.7.0.2 port 51817 connected to 10.7.1.1 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 160 11.3 KBytes [ 7] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 162 8.48 KBytes [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 322 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 160 sender [ 5] 0.00-10.00 sec 14.2 MBytes 11.9 Mbits/sec receiver [ 7] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 162 sender [ 7] 0.00-10.00 sec 14.2 MBytes 11.9 Mbits/sec receiver [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 322 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 38535 connected to 10.7.1.1 port 5101 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 28.9 MBytes 24.2 Mbits/sec 194 19.8 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.9 MBytes 24.2 Mbits/sec 194 sender [ 5] 0.00-10.01 sec 28.6 MBytes 23.9 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.2, port 5102 [ 5] local 10.7.0.1 port 35033 connected to 10.7.1.2 port 5102 [ 7] local 10.7.0.1 port 47115 connected to 10.7.1.2 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 13.6 MBytes 11.4 Mbits/sec 235 11.3 KBytes [ 7] 0.00-10.00 sec 16.3 MBytes 13.6 Mbits/sec 242 8.48 KBytes [SUM] 0.00-10.00 sec 29.9 MBytes 25.1 Mbits/sec 477 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 13.6 MBytes 11.4 Mbits/sec 235 sender [ 5] 0.00-10.00 sec 13.4 MBytes 11.3 Mbits/sec receiver [ 7] 0.00-10.00 sec 16.3 MBytes 13.6 Mbits/sec 242 sender [ 7] 0.00-10.00 sec 15.1 MBytes 12.6 Mbits/sec receiver [SUM] 0.00-10.00 sec 29.9 MBytes 25.1 Mbits/sec 477 sender [SUM] 0.00-10.00 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done. cake dsthost besteffort ----------------------- qdisc cake 8031: root refcnt 2 bandwidth 50Mbit besteffort dsthost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 8032: 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 56005 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 179 11.3 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 179 sender [ 5] 0.00-10.01 sec 19.0 MBytes 15.9 Mbits/sec receiver iperf Done. Connecting to host 10.7.1.2, port 5102 [ 5] local 10.7.0.1 port 48969 connected to 10.7.1.2 port 5102 [ 7] local 10.7.0.1 port 47603 connected to 10.7.1.2 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 177 14.1 KBytes [ 7] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 184 14.1 KBytes [SUM] 0.00-10.00 sec 38.3 MBytes 32.1 Mbits/sec 361 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 19.1 MBytes 16.0 Mbits/sec 177 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 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 361 sender [SUM] 0.00-10.00 sec 38.0 MBytes 31.9 Mbits/sec receiver iperf Done. cake dual-dsthost besteffort ---------------------------- qdisc cake 8033: root refcnt 2 bandwidth 50Mbit besteffort dual-dsthost nonat nowash no-ack-filter split-gso rtt 100ms raw overhead 0 qdisc cake 8034: 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 58983 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 130 14.1 KBytes - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 28.8 MBytes 24.1 Mbits/sec 130 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 51479 connected to 10.7.1.2 port 5102 [ 7] local 10.7.0.1 port 34917 connected to 10.7.1.2 port 5102 [ ID] Interval Transfer Bitrate Retr Cwnd [ 5] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 161 7.07 KBytes [ 7] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 158 8.48 KBytes [SUM] 0.00-10.00 sec 28.7 MBytes 24.1 Mbits/sec 319 - - - - - - - - - - - - - - - - - - - - - - - - - [ ID] Interval Transfer Bitrate Retr [ 5] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 161 sender [ 5] 0.00-10.00 sec 14.3 MBytes 12.0 Mbits/sec receiver [ 7] 0.00-10.00 sec 14.4 MBytes 12.0 Mbits/sec 158 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 319 sender [SUM] 0.00-10.00 sec 28.5 MBytes 23.9 Mbits/sec receiver iperf Done.