cli --- + ip tcp_metrics show 10.9.9.2 age 18.827sec ssthresh 38 cwnd 22 rtt 92091us rttvar 76324us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 18.787sec cwnd 10 rtt 87508us rttvar 71530us 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 985056 bytes 14736 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80ab: parent 1:1 [Unknown qdisc, optlen=104] Sent 985056 bytes 14736 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 43050648 bytes 29042 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 80ab: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 985056 bytes 14736 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 14736 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80ab: parent 80ab: class dualpi2 80ab: parent 80ab: class dualpi2 80ab: parent 80ab: class dualpi2 80ab: parent 80ab: + 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 43457236 bytes 29042 pkt (dropped 0, overlimits 19692 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80ac: parent 1:1 [Unknown qdisc, optlen=104] Sent 43457236 bytes 29042 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 778752 bytes 14736 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 80ac: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 43457236 bytes 29042 pkt (dropped 0, overlimits 19692 requeues 0) backlog 0b 0p requeues 0 lended: 29042 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80ac: parent 80ac: class dualpi2 80ac: parent 80ac: class dualpi2 80ac: parent 80ac: class dualpi2 80ac: parent 80ac: + tc-l4s -s -d qdisc show dev ifb4mid.l qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms Sent 43457586 bytes 29047 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc netem 10: parent 1:1 limit 512 delay 200us slot 800.000us 10.000ms packets 42 Sent 43457586 bytes 29047 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.l class netem 1:1 parent 1: leaf 10: + tc-l4s -s -d qdisc show dev ifb4mid.r qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms Sent 985406 bytes 14741 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc netem 10: parent 1:1 limit 512 delay 200us slot 800.000us 10.000ms packets 42 Sent 985406 bytes 14741 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.r class netem 1:1 parent 1: leaf 10: