cli --- + ip tcp_metrics show 10.9.9.2 age 18.422sec ssthresh 51 cwnd 106 rtt 87916us rttvar 44931us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 18.391sec cwnd 10 rtt 87908us rttvar 48547us 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 8087654 bytes 121737 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc pie 8077: parent 1:1 limit 100p target 20.0ms tupdate 32.0ms alpha 2 beta 20 ecn Sent 8087654 bytes 121737 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 prob 0.000000 delay 0us avg_dq_rate 0 pkts_in 121737 overlimit 0 dropped 0 maxq 0 ecn_mark 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 366489340 bytes 244677 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 8077: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 8087654 bytes 121737 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 121737 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 369569528 bytes 244448 pkt (dropped 229, overlimits 238986 requeues 0) backlog 0b 0p requeues 0 qdisc pie 8078: parent 1:1 limit 100p target 20.0ms tupdate 32.0ms alpha 2 beta 20 ecn Sent 369569528 bytes 244448 pkt (dropped 229, overlimits 0 requeues 0) backlog 0b 0p requeues 0 prob 0.000000 delay 0us avg_dq_rate 0 pkts_in 244448 overlimit 229 dropped 229 maxq 99 ecn_mark 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 6383336 bytes 121737 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 8078: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 369569528 bytes 244448 pkt (dropped 229, overlimits 238986 requeues 0) backlog 0b 0p requeues 0 lended: 244448 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 369915168 bytes 244682 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 8088004 bytes 121742 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.r