cli --- + ip tcp_metrics show 10.9.9.2 age 36.710sec ssthresh 323 cwnd 162 rtt 80359us rttvar 65935us source 10.9.9.1 srv --- + ip tcp_metrics show 10.9.9.1 age 36.678sec cwnd 10 rtt 80201us rttvar 64375us 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 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80a7: parent 1:1 [Unknown qdisc, optlen=104] Sent 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 365640292 bytes 244385 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 80a7: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 122376 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: + 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 366058440 bytes 242392 pkt (dropped 1993, overlimits 138498 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80a8: parent 1:1 [Unknown qdisc, optlen=104] Sent 366058440 bytes 242392 pkt (dropped 1993, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 6420604 bytes 122376 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 80a8: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 366058440 bytes 242392 pkt (dropped 0, overlimits 138498 requeues 0) backlog 0b 0p requeues 0 lended: 242392 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: + 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 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80a7: parent 1:1 [Unknown qdisc, optlen=104] Sent 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 365640292 bytes 244385 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 80a7: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 122376 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: + 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 366058440 bytes 242392 pkt (dropped 1993, overlimits 138498 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80a8: parent 1:1 [Unknown qdisc, optlen=104] Sent 366058440 bytes 242392 pkt (dropped 1993, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 6420604 bytes 122376 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 80a8: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 366058440 bytes 242392 pkt (dropped 0, overlimits 138498 requeues 0) backlog 0b 0p requeues 0 lended: 242392 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: + 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 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80a7: parent 1:1 [Unknown qdisc, optlen=104] Sent 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 365640292 bytes 244385 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 80a7: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 8133868 bytes 122376 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 lended: 122376 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: class dualpi2 80a7: parent 80a7: + 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 366058440 bytes 242392 pkt (dropped 1993, overlimits 138498 requeues 0) backlog 0b 0p requeues 0 qdisc dualpi2 80a8: parent 1:1 [Unknown qdisc, optlen=104] Sent 366058440 bytes 242392 pkt (dropped 1993, overlimits 0 requeues 0) backlog 0b 0p requeues 0 qdisc ingress ffff: parent ffff:fff1 ---------------- Sent 6420604 bytes 122376 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 80a8: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 Sent 366058440 bytes 242392 pkt (dropped 0, overlimits 138498 requeues 0) backlog 0b 0p requeues 0 lended: 242392 borrowed: 0 giants: 0 tokens: 3755 ctokens: 3755 class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: class dualpi2 80a8: parent 80a8: + tc-l4s -s -d qdisc show dev ifb4mid.l qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms Sent 369062102 bytes 244391 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 8134288 bytes 122382 pkt (dropped 0, overlimits 0 requeues 0) backlog 0b 0p requeues 0 + tc-l4s -s -d class show dev ifb4mid.r