cli --- + ip tcp_metrics show 10.9.9.2 age 17.315sec ssthresh 90 cwnd 274 rtt 286971us rttvar 171774us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 17.285sec cwnd 10 rtt 274769us rttvar 178851us 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 8321366 bytes 124273 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc pfifo 8063: parent 1:1 limit 1000p Sent 8321366 bytes 124273 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 375946320 bytes 250984 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 8063: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 8321366 bytes 124273 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 124273 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 378734596 bytes 250502 pkt (dropped 482, overlimits 248398 requeues 0) backlog 0b 0p requeues 0 qdisc pfifo 8064: parent 1:1 limit 1000p Sent 378734596 bytes 250502 pkt (dropped 482, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 6581544 bytes 124273 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 8064: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 378734596 bytes 250502 pkt (dropped 482, overlimits 248398 requeues 0) backlog 0b 0p requeues 0 lended: 250502 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 379460446 bytes 250989 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 8321716 bytes 124278 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.r