1// Test against Non ECN server (0|0|0) 2 3`./defaults.sh 4sysctl -q net.ipv4.tcp_ecn=3 5` 6 7 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 4 8+.002 ... 0.052 connect(4, ..., ...) = 0 9 10+.002 > [noecn] SEWA 0:0(0) <mss 1460,sackOK,TS val 100 ecr 0,nop,wscale 8> 11+0.05 < [noecn] S. 0:0(0) ack 1 win 32767 <mss 1460,sackOK,TS val 700 ecr 100,nop,wscale 8> 12+.002 > [noecn] . 1:1(0) ack 1 <nop, nop, TS val 200 ecr 700> 13 14+0 write(4, ..., 100) = 100 15+.002 > [noecn] P. 1:101(100) ack 1 <nop,nop,TS val 300 ecr 700> 16+0 close(4) = 0 17 18+.002 > [noecn] F. 101:101(0) ack 1 <nop,nop,TS val 400 ecr 700> 19+0.1 < [noecn] R. 1:1(0) ack 102 win 4242 20