cli --- + ip tcp_metrics show 10.9.9.2 age 17.720sec ssthresh 168 cwnd 149 rtt 85012us rttvar 47544us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 17.689sec cwnd 10 rtt 85472us rttvar 49247us 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 8212328 bytes 124220 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc pie 8071: parent 1:1 limit 1000p target 15.0ms tupdate 15.0ms alpha 2 beta 20 ecn Sent 8212328 bytes 124220 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 prob 0.000000 delay 0us avg_dq_rate 0 pkts_in 124220 overlimit 0 dropped 0 maxq 0 ecn_mark 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 368508396 bytes 246024 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 8071: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 8212328 bytes 124220 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 124220 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 371952732 bytes 246024 pkt (dropped 0, overlimits 241489 requeues 0) backlog 0b 0p requeues 0 qdisc pie 8072: parent 1:1 limit 1000p target 15.0ms tupdate 15.0ms alpha 2 beta 20 ecn Sent 371952732 bytes 246024 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 prob 0.000000 delay 0us avg_dq_rate 0 pkts_in 246024 overlimit 0 dropped 0 maxq 425 ecn_mark 65 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 6473248 bytes 124220 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 8072: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 371952732 bytes 246024 pkt (dropped 0, overlimits 241489 requeues 0) backlog 0b 0p requeues 0 lended: 246024 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 40.0ms Sent 371953082 bytes 246029 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 40.0ms Sent 8212678 bytes 124225 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.r