cli --- + ip tcp_metrics show 10.9.9.2 age 16.453sec ssthresh 128 cwnd 71 rtt 100963us rttvar 82739us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 16.409sec cwnd 10 rtt 101975us rttvar 76524us 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 6644186 bytes 75851 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80b1: parent 1:1 [Unknown qdisc, optlen=104] Sent 6644186 bytes 75851 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 140924308 bytes 94405 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 80b1: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 6644186 bytes 75851 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 75851 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80b1: parent 80b1: class dualpi2 80b1: parent 80b1: class dualpi2 80b1: parent 80b1: class dualpi2 80b1: parent 80b1: + 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 142245978 bytes 94405 pkt (dropped 0, overlimits 37389 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80b2: parent 1:1 [Unknown qdisc, optlen=104] Sent 142245978 bytes 94405 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 5582272 bytes 75851 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 80b2: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 142245978 bytes 94405 pkt (dropped 0, overlimits 37389 requeues 0) backlog 0b 0p requeues 0 lended: 94405 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80b2: parent 80b2: class dualpi2 80b2: parent 80b2: class dualpi2 80b2: parent 80b2: class dualpi2 80b2: parent 80b2: + tc-l4s -s -d qdisc show dev ifb4mid.l qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms Sent 142246328 bytes 94410 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc netem 10: parent 1:1 limit 1000 delay 10.0ms 5.0ms 10% Sent 142246328 bytes 94410 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 6644536 bytes 75856 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc netem 10: parent 1:1 limit 1000 delay 10.0ms 5.0ms 10% Sent 6644536 bytes 75856 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: