cli
---

+ ip tcp_metrics show
10.9.9.2 age 17.994sec ssthresh 117 cwnd 130 rtt 80680us rttvar 42841us source 10.9.9.1


srv
---

+ ip tcp_metrics show
10.9.9.1 age 17.965sec cwnd 10 rtt 80196us rttvar 46052us 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 7754378 bytes 117281 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 8061: parent 1:1 [Unknown qdisc, optlen=104] 
 Sent 7754378 bytes 117281 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 349234196 bytes 233173 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 8061: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 7754378 bytes 117281 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 117281 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755

class dualpi2 8061: parent 8061: 

class dualpi2 8061: parent 8061: 

class dualpi2 8061: parent 8061: 

class dualpi2 8061: parent 8061: 


+ 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 352498618 bytes 233173 pkt (dropped 0, overlimits 225070 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 8062: parent 1:1 [Unknown qdisc, optlen=104] 
 Sent 352498618 bytes 233173 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 6112444 bytes 117281 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 8062: prio 0 quantum 200000 rate 50Mbit ceil 50Mbit linklayer ethernet burst 1600b/1 mpu 0b cburst 1600b/1 mpu 0b level 0 
 Sent 352498618 bytes 233173 pkt (dropped 0, overlimits 225070 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 233173 borrowed: 0 giants: 0
 tokens: 3755 ctokens: 3755

class dualpi2 8062: parent 8062: 

class dualpi2 8062: parent 8062: 

class dualpi2 8062: parent 8062: 

class dualpi2 8062: parent 8062: 


+ tc-l4s -s -d qdisc show dev ifb4mid.l
qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms
 Sent 352498968 bytes 233178 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 7754728 bytes 117286 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

+ tc-l4s -s -d class show dev ifb4mid.r