cli --- + ip tcp_metrics show 10.9.9.2 age 12.091sec ssthresh 59 cwnd 56 rtt 35366us rttvar 25329us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 12.089sec cwnd 10 rtt 33781us rttvar 21764us source 10.9.9.2 mid --- + tc-l4s -s -d qdisc show dev mid.l qdisc htb 1: root refcnt 2 r2q 10 default 0x1 direct_packets_stat 0 ver 3.17 direct_qlen 1000 Sent 5568838 bytes 83835 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc pie 805d: parent 1:1 limit 100p target 20.0ms tupdate 32.0ms alpha 2 beta 20 ecn Sent 5568838 bytes 83835 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 prob 0.000000 delay 0us avg_dq_rate 0 pkts_in 83835 overlimit 0 dropped 0 maxq 0 ecn_mark 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 250033768 bytes 166944 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev mid.l class htb 1:1 root leaf 805d: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 5568838 bytes 83835 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 83835 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 + tc-l4s -s -d qdisc show dev mid.r qdisc htb 1: root refcnt 2 r2q 10 default 0x1 direct_packets_stat 0 ver 3.17 direct_qlen 1000 Sent 252187496 bytes 166820 pkt (dropped 124, overlimits 166710 requeues 0) backlog 0b 0p requeues 0 qdisc pie 805e: parent 1:1 limit 100p target 20.0ms tupdate 32.0ms alpha 2 beta 20 ecn Sent 252187496 bytes 166820 pkt (dropped 124, overlimits 0 requeues 0) backlog 0b 0p requeues 0 prob 0.000000 delay 0us avg_dq_rate 0 pkts_in 166820 overlimit 124 dropped 124 maxq 99 ecn_mark 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 4395148 bytes 83835 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev mid.r class htb 1:1 root leaf 805e: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 252187496 bytes 166820 pkt (dropped 124, overlimits 166710 requeues 0) backlog 0b 0p requeues 0 lended: 166820 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 + tc-l4s -s -d qdisc show dev ifb4mid.l qdisc netem 1: root refcnt 2 limit 1000000 delay 10.0ms Sent 252371264 bytes 166948 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.l + tc-l4s -s -d qdisc show dev ifb4mid.r qdisc netem 1: root refcnt 2 limit 1000000 delay 10.0ms Sent 5569188 bytes 83840 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.r