cli --- + ip tcp_metrics show 10.9.9.2 age 15.675sec ssthresh 159 cwnd 114 rtt 89194us rttvar 72638us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 15.640sec cwnd 10 rtt 87639us rttvar 70615us 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 9179740 bytes 115778 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80af: parent 1:1 [Unknown qdisc, optlen=104] Sent 9179740 bytes 115778 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 196086992 bytes 131184 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 80af: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 9179740 bytes 115778 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 115778 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80af: parent 80af: class dualpi2 80af: parent 80af: class dualpi2 80af: parent 80af: class dualpi2 80af: parent 80af: + 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 197923568 bytes 131184 pkt (dropped 0, overlimits 63484 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80b0: parent 1:1 [Unknown qdisc, optlen=104] Sent 197923568 bytes 131184 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 7558848 bytes 115778 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 80b0: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 197923568 bytes 131184 pkt (dropped 0, overlimits 63484 requeues 0) backlog 0b 0p requeues 0 lended: 131184 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80b0: parent 80b0: class dualpi2 80b0: parent 80b0: class dualpi2 80b0: parent 80b0: class dualpi2 80b0: parent 80b0: + tc-l4s -s -d qdisc show dev ifb4mid.l qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms Sent 197923918 bytes 131189 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc netem 10: parent 1:1 limit 1000 delay 4.0ms 2.0ms 10% Sent 197923918 bytes 131189 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 9180090 bytes 115783 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc netem 10: parent 1:1 limit 1000 delay 4.0ms 2.0ms 10% Sent 9180090 bytes 115783 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: