cli
---

+ ip tcp_metrics show
10.9.9.2 age 18.272sec ssthresh 611 cwnd 611 rtt 80178us rttvar 65779us source 10.9.9.1


srv
---

+ ip tcp_metrics show
10.9.9.1 age 18.240sec cwnd 10 rtt 80259us rttvar 64445us 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 18203806 bytes 275623 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 8043: parent 1:1 [Unknown qdisc, optlen=104] 
 Sent 18203806 bytes 275623 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 950714342 bytes 634154 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 8043: prio 0 quantum 200000 rate 250Mbit ceil 250Mbit linklayer ethernet burst 1562b/1 mpu 0b cburst 1562b/1 mpu 0b level 0 
 Sent 18203806 bytes 275623 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 275623 borrowed: 0 giants: 0
 tokens: 747 ctokens: 747

class dualpi2 8043: parent 8043: 

class dualpi2 8043: parent 8043: 

class dualpi2 8043: parent 8043: 

class dualpi2 8043: parent 8043: 


+ 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 959592498 bytes 634154 pkt (dropped 0, overlimits 313532 requeues 0) 
 backlog 0b 0p requeues 0
qdisc dualpi2 8044: parent 1:1 [Unknown qdisc, optlen=104] 
 Sent 959592498 bytes 634154 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc ingress ffff: parent ffff:fff1 ---------------- 
 Sent 14345028 bytes 275622 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 8044: prio 0 quantum 200000 rate 250Mbit ceil 250Mbit linklayer ethernet burst 1562b/1 mpu 0b cburst 1562b/1 mpu 0b level 0 
 Sent 959592498 bytes 634154 pkt (dropped 0, overlimits 313532 requeues 0) 
 backlog 0b 0p requeues 0
 lended: 634154 borrowed: 0 giants: 0
 tokens: 742 ctokens: 742

class dualpi2 8044: parent 8044: 

class dualpi2 8044: parent 8044: 

class dualpi2 8044: parent 8044: 

class dualpi2 8044: parent 8044: 


+ tc-l4s -s -d qdisc show dev ifb4mid.l
qdisc netem 1: root refcnt 2 limit 1000000 delay 40.0ms
 Sent 959592848 bytes 634159 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 18204086 bytes 275627 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0

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