+ 0.915983 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.916444 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.019055 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.022127 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 d 1.129762 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 DROP + 1.130222 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.132834 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x10 40 0 + 1.133294 2 3 tcp 576 ------- 0 0.0 3.0 2681 10 1 0x10 40 0 + 1.233294 3 2 ack 50 ------- 0 3.0 0.0 1 11 1073 0x18 50 1 + 1.236366 3 2 ack 50 ------- 0 3.0 0.0 1 12 1073 0x18 50 1 + 1.239438 3 2 ack 50 ------- 0 3.0 0.0 1 13 1073 0x18 50 1 + 1.350206 2 3 tcp 576 ------- 0 0.0 3.0 1073 14 1 0x10 40 0 + 1.350667 2 3 tcp 576 ---A--- 0 0.0 3.0 3217 15 1 0x90 40 0 + 1.453278 3 2 ack 40 ------- 0 3.0 0.0 1 16 3217 0x18 40 0 + 1.45635 3 2 ack 40 ------- 0 3.0 0.0 1 17 3753 0x18 40 0 + 1.563984 2 3 tcp 576 ------- 0 0.0 3.0 3753 18 1 0x10 40 0 + 1.567056 2 3 tcp 576 ------- 0 0.0 3.0 4289 19 1 0x10 40 0 + 1.667056 3 2 ack 40 ------- 0 3.0 0.0 1 20 4289 0x18 40 0 + 1.670128 3 2 ack 40 ------- 0 3.0 0.0 1 21 4825 0x18 40 0 + 1.777762 2 3 tcp 576 ------- 0 0.0 3.0 4825 22 1 0x10 40 0 + 1.778223 2 3 tcp 576 ------- 0 0.0 3.0 5361 23 1 0x10 40 0 + 1.780834 2 3 tcp 576 ------- 0 0.0 3.0 5897 24 1 0x10 40 0 + 1.880834 3 2 ack 40 ------- 0 3.0 0.0 1 25 5361 0x18 40 0 + 1.883906 3 2 ack 40 ------- 0 3.0 0.0 1 26 5897 0x18 40 0 + 1.886978 3 2 ack 40 ------- 0 3.0 0.0 1 27 6433 0x18 40 0 + 1.99154 2 3 tcp 576 ------- 0 0.0 3.0 6433 28 1 0x10 40 0 + 1.994612 2 3 tcp 576 ------- 0 0.0 3.0 6969 29 1 0x10 40 0 + 1.995073 2 3 tcp 576 ------- 0 0.0 3.0 7505 30 1 0x10 40 0 + 1.997684 2 3 tcp 576 ------- 0 0.0 3.0 8041 31 1 0x10 40 0 + 2.094612 3 2 ack 40 ------- 0 3.0 0.0 1 32 6969 0x18 40 0 + 2.097684 3 2 ack 40 ------- 0 3.0 0.0 1 33 7505 0x18 40 0 + 2.100756 3 2 ack 40 ------- 0 3.0 0.0 1 34 8041 0x18 40 0 + 2.103828 3 2 ack 40 ------- 0 3.0 0.0 1 35 8577 0x18 40 0 d 2.205318 2 3 tcp 576 ------- 0 0.0 3.0 8577 36 1 0x10 40 0 DROP + 2.20839 2 3 tcp 576 ------- 0 0.0 3.0 9113 37 1 0x10 40 0 d 2.211462 2 3 tcp 576 ------- 0 0.0 3.0 9649 38 1 0x10 40 0 DROP + 2.214534 2 3 tcp 576 ------- 0 0.0 3.0 10185 39 1 0x10 40 0 d 2.214995 2 3 tcp 576 ------- 0 0.0 3.0 10721 40 1 0x10 40 0 DROP + 2.311462 3 2 ack 50 ------- 0 3.0 0.0 1 41 8577 0x18 50 1 + 2.317606 3 2 ack 58 ------- 0 3.0 0.0 1 42 8577 0x18 58 2 + 3.214534 2 3 tcp 576 ------- 0 0.0 3.0 8577 43 1 0x10 40 0 TIMEOUT/REXMT + 3.317606 3 2 ack 50 ------- 0 3.0 0.0 1 44 9649 0x18 50 1 + 3.428374 2 3 tcp 576 ------- 0 0.0 3.0 1609 45 1 0x10 40 0 begin sending wrong packets + 3.428835 2 3 tcp 576 ------- 0 0.0 3.0 2145 46 1 0x10 40 0 + 3.429295 2 3 tcp 576 ------- 0 0.0 3.0 2681 47 1 0x10 40 0 + 3.429756 2 3 tcp 576 ------- 0 0.0 3.0 3217 48 1 0x10 40 0 + 3.430217 2 3 tcp 576 ------- 0 0.0 3.0 3753 49 1 0x10 40 0After Fix:
+ 0.915983 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.916444 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.019055 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.022127 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 d 1.129762 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 DROP + 1.130222 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.132834 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x10 40 0 + 1.133294 2 3 tcp 576 ------- 0 0.0 3.0 2681 10 1 0x10 40 0 + 1.233294 3 2 ack 50 ------- 0 3.0 0.0 1 11 1073 0x18 50 1 + 1.236366 3 2 ack 50 ------- 0 3.0 0.0 1 12 1073 0x18 50 1 + 1.239438 3 2 ack 50 ------- 0 3.0 0.0 1 13 1073 0x18 50 1 + 1.350206 2 3 tcp 576 ------- 0 0.0 3.0 1073 14 1 0x10 40 0 + 1.350667 2 3 tcp 576 ---A--- 0 0.0 3.0 3217 15 1 0x90 40 0 + 1.453278 3 2 ack 40 ------- 0 3.0 0.0 1 16 3217 0x18 40 0 + 1.45635 3 2 ack 40 ------- 0 3.0 0.0 1 17 3753 0x18 40 0 + 1.563984 2 3 tcp 576 ------- 0 0.0 3.0 3753 18 1 0x10 40 0 + 1.567056 2 3 tcp 576 ------- 0 0.0 3.0 4289 19 1 0x10 40 0 + 1.667056 3 2 ack 40 ------- 0 3.0 0.0 1 20 4289 0x18 40 0 + 1.670128 3 2 ack 40 ------- 0 3.0 0.0 1 21 4825 0x18 40 0 + 1.777762 2 3 tcp 576 ------- 0 0.0 3.0 4825 22 1 0x10 40 0 + 1.778223 2 3 tcp 576 ------- 0 0.0 3.0 5361 23 1 0x10 40 0 + 1.780834 2 3 tcp 576 ------- 0 0.0 3.0 5897 24 1 0x10 40 0 + 1.880834 3 2 ack 40 ------- 0 3.0 0.0 1 25 5361 0x18 40 0 + 1.883906 3 2 ack 40 ------- 0 3.0 0.0 1 26 5897 0x18 40 0 + 1.886978 3 2 ack 40 ------- 0 3.0 0.0 1 27 6433 0x18 40 0 + 1.99154 2 3 tcp 576 ------- 0 0.0 3.0 6433 28 1 0x10 40 0 + 1.994612 2 3 tcp 576 ------- 0 0.0 3.0 6969 29 1 0x10 40 0 + 1.995073 2 3 tcp 576 ------- 0 0.0 3.0 7505 30 1 0x10 40 0 + 1.997684 2 3 tcp 576 ------- 0 0.0 3.0 8041 31 1 0x10 40 0 + 2.094612 3 2 ack 40 ------- 0 3.0 0.0 1 32 6969 0x18 40 0 + 2.097684 3 2 ack 40 ------- 0 3.0 0.0 1 33 7505 0x18 40 0 + 2.100756 3 2 ack 40 ------- 0 3.0 0.0 1 34 8041 0x18 40 0 + 2.103828 3 2 ack 40 ------- 0 3.0 0.0 1 35 8577 0x18 40 0 d 2.205318 2 3 tcp 576 ------- 0 0.0 3.0 8577 36 1 0x10 40 0 DROP + 2.20839 2 3 tcp 576 ------- 0 0.0 3.0 9113 37 1 0x10 40 0 d 2.211462 2 3 tcp 576 ------- 0 0.0 3.0 9649 38 1 0x10 40 0 DROP + 2.214534 2 3 tcp 576 ------- 0 0.0 3.0 10185 39 1 0x10 40 0 d 2.214995 2 3 tcp 576 ------- 0 0.0 3.0 10721 40 1 0x10 40 0 DROP + 2.311462 3 2 ack 50 ------- 0 3.0 0.0 1 41 8577 0x18 50 1 + 2.317606 3 2 ack 58 ------- 0 3.0 0.0 1 42 8577 0x18 58 2 + 3.214534 2 3 tcp 576 ------- 0 0.0 3.0 8577 43 1 0x10 40 0 TIMEOUT/REXMT + 3.317606 3 2 ack 50 ------- 0 3.0 0.0 1 44 9649 0x18 50 1 + 3.428374 2 3 tcp 576 ------- 0 0.0 3.0 9649 45 1 0x10 40 0 REXMT + 3.428835 2 3 tcp 576 ------- 0 0.0 3.0 10185 46 1 0x10 40 0 REXMT
+ 1.350048 2 3 tcp 576 ------- 0 0.0 3.0 3217 15 1 0x10 40 0 + 1.350624 2 3 tcp 576 ------- 0 0.0 3.0 3753 16 1 0x10 40 0 d 1.355808 2 3 tcp 576 ------- 0 0.0 3.0 4289 17 1 0x10 40 0 DROP + 1.356384 2 3 tcp 576 ------- 0 0.0 3.0 4825 18 1 0x10 40 0 + 1.361568 2 3 tcp 576 ------- 0 0.0 3.0 5361 19 1 0x10 40 0 + 1.362144 2 3 tcp 576 ------- 0 0.0 3.0 5897 20 1 0x10 40 0 + 1.367328 2 3 tcp 576 ------- 0 0.0 3.0 6433 21 1 0x10 40 0 + 1.367904 2 3 tcp 576 ------- 0 0.0 3.0 6969 22 1 0x10 40 0 + 1.455808 3 2 ack 40 ------- 0 3.0 0.0 1 23 3753 0x18 40 0 + 1.461568 3 2 ack 40 ------- 0 3.0 0.0 1 24 4289 0x18 40 0 + 1.467328 3 2 ack 50 ------- 0 3.0 0.0 1 25 4289 0x18 50 1 + 1.473088 3 2 ack 50 ------- 0 3.0 0.0 1 26 4289 0x18 50 1 + 1.478848 3 2 ack 50 ------- 0 3.0 0.0 1 27 4289 0x18 50 1 3rd DUPACK + 1.484608 3 2 ack 50 ------- 0 3.0 0.0 1 28 4289 0x18 50 1 + 1.490368 3 2 ack 50 ------- 0 3.0 0.0 1 29 4289 0x18 50 1 + 1.50504 2 3 tcp 40 ------- 0 0.0 3.0 7505 30 1 0x19 40 0 FIN + 1.589974 2 3 tcp 576 ------- 0 0.0 3.0 4289 31 1 0x10 40 0 REXMT + 1.590014 2 3 tcp 40 ------- 0 0.0 3.0 7505 32 1 0x19 40 0 unneccessary FINs + 1.595198 2 3 tcp 40 ------- 0 0.0 3.0 7505 33 1 0x19 40 0 + 1.600958 2 3 tcp 40 ------- 0 0.0 3.0 7505 34 1 0x19 40 0 + 1.60544 3 2 ack 50 ------- 0 3.0 0.0 1 35 4289 0x18 50 1 + 1.695734 3 2 ack 40 ------- 0 3.0 0.0 1 36 7506 0x18 40 0 + 1.695734 3 2 ack 40 ------- 0 3.0 0.0 1 37 7506 0x19 40 0 + 1.71603 2 3 tcp 40 ------- 0 0.0 3.0 7505 38 1 0x19 40 0 + 1.806614 2 3 tcp 40 ------- 0 0.0 3.0 7506 39 2 0x18 40 0After Fix:
+ 1.350048 2 3 tcp 576 ------- 0 0.0 3.0 3217 15 1 0x10 40 0 + 1.350624 2 3 tcp 576 ------- 0 0.0 3.0 3753 16 1 0x10 40 0 d 1.355808 2 3 tcp 576 ------- 0 0.0 3.0 4289 17 1 0x10 40 0 DROP + 1.356384 2 3 tcp 576 ------- 0 0.0 3.0 4825 18 1 0x10 40 0 + 1.361568 2 3 tcp 576 ------- 0 0.0 3.0 5361 19 1 0x10 40 0 + 1.362144 2 3 tcp 576 ------- 0 0.0 3.0 5897 20 1 0x10 40 0 + 1.367328 2 3 tcp 576 ------- 0 0.0 3.0 6433 21 1 0x10 40 0 + 1.367904 2 3 tcp 576 ------- 0 0.0 3.0 6969 22 1 0x10 40 0 + 1.455808 3 2 ack 40 ------- 0 3.0 0.0 1 23 3753 0x18 40 0 + 1.461568 3 2 ack 40 ------- 0 3.0 0.0 1 24 4289 0x18 40 0 + 1.467328 3 2 ack 50 ------- 0 3.0 0.0 1 25 4289 0x18 50 1 + 1.473088 3 2 ack 50 ------- 0 3.0 0.0 1 26 4289 0x18 50 1 + 1.478848 3 2 ack 50 ------- 0 3.0 0.0 1 27 4289 0x18 50 1 3rd DUPACK + 1.484608 3 2 ack 50 ------- 0 3.0 0.0 1 28 4289 0x18 50 1 + 1.490368 3 2 ack 50 ------- 0 3.0 0.0 1 29 4289 0x18 50 1 + 1.50504 2 3 tcp 40 ------- 0 0.0 3.0 7505 30 1 0x19 40 0 FIN + 1.589974 2 3 tcp 576 ------- 0 0.0 3.0 4289 31 1 0x10 40 0 REXMT + 1.60544 3 2 ack 50 ------- 0 3.0 0.0 1 32 4289 0x18 50 1 + 1.695734 3 2 ack 40 ------- 0 3.0 0.0 1 33 7506 0x18 40 0 ACK of FIN + 1.695734 3 2 ack 40 ------- 0 3.0 0.0 1 34 7506 0x19 40 0 + 1.806614 2 3 tcp 40 ------- 0 0.0 3.0 7506 35 2 0x18 40 0 last ACK
+ 1.566824 2 3 tcp 576 ------N 0 0.0 3.0 7505 31 1 0x10 40 0 + 1.5674 2 3 tcp 576 ------N 0 0.0 3.0 8041 32 1 0x10 40 0 + 1.572584 2 3 tcp 576 ------N 0 0.0 3.0 8577 33 1 0x10 40 0 + 1.57316 2 3 tcp 576 ----E-N 0 0.0 3.0 9113 34 1 0x10 40 0 CONGESTION NOTIFICATION + 1.578344 2 3 tcp 576 ------N 0 0.0 3.0 9649 35 1 0x10 40 0 + 1.57892 2 3 tcp 576 ------N 0 0.0 3.0 10185 36 1 0x10 40 0 + 1.584104 2 3 tcp 576 ------N 0 0.0 3.0 10721 37 1 0x10 40 0 + 1.58468 2 3 tcp 576 ------N 0 0.0 3.0 11257 38 1 0x10 40 0 + 1.589864 2 3 tcp 576 ------N 0 0.0 3.0 11793 39 1 0x10 40 0 + 1.59044 2 3 tcp 576 ------N 0 0.0 3.0 12329 40 1 0x10 40 0 + 1.595624 2 3 tcp 576 ------N 0 0.0 3.0 12865 41 1 0x10 40 0 + 1.5962 2 3 tcp 576 ------N 0 0.0 3.0 13401 42 1 0x10 40 0 d 1.5962 2 3 tcp 576 ------N 0 0.0 3.0 13401 42 1 0x10 40 0 DROP + 1.601384 2 3 tcp 576 ------N 0 0.0 3.0 13937 43 1 0x10 40 0 + 1.60196 2 3 tcp 576 ------N 0 0.0 3.0 14473 44 1 0x10 40 0 d 1.60196 2 3 tcp 576 ------N 0 0.0 3.0 14473 44 1 0x10 40 0 + 1.607144 2 3 tcp 576 ------N 0 0.0 3.0 15009 45 1 0x10 40 0 + 1.60772 2 3 tcp 576 ------N 0 0.0 3.0 15545 46 1 0x10 40 0 d 1.60772 2 3 tcp 576 ------N 0 0.0 3.0 15545 46 1 0x10 40 0 + 1.672584 3 2 ack 40 ------- 0 3.0 0.0 1 47 8041 0x18 40 0 + 1.678344 3 2 ack 40 ------- 0 3.0 0.0 1 48 8577 0x18 40 0 + 1.684104 3 2 ack 40 ------- 0 3.0 0.0 1 49 9113 0x18 40 0 + 1.689864 3 2 ack 40 C------ 0 3.0 0.0 1 50 9649 0x58 40 0 + 1.695624 3 2 ack 40 C------ 0 3.0 0.0 1 51 10185 0x58 40 0 + 1.701384 3 2 ack 40 C------ 0 3.0 0.0 1 52 10721 0x58 40 0 + 1.707144 3 2 ack 40 C------ 0 3.0 0.0 1 53 11257 0x58 40 0 + 1.712904 3 2 ack 40 C------ 0 3.0 0.0 1 54 11793 0x58 40 0 + 1.718664 3 2 ack 40 C------ 0 3.0 0.0 1 55 12329 0x58 40 0 + 1.724424 3 2 ack 40 C------ 0 3.0 0.0 1 56 12865 0x58 40 0 + 1.730184 3 2 ack 40 C------ 0 3.0 0.0 1 57 13401 0x58 40 0 + 1.735944 3 2 ack 50 C------ 0 3.0 0.0 1 58 13401 0x58 50 1 + 1.741704 3 2 ack 58 C------ 0 3.0 0.0 1 59 13401 0x58 58 2 + 1.7836 2 3 tcp 576 ------N 0 0.0 3.0 16081 60 1 0x10 40 0 + 1.784176 2 3 tcp 576 ------N 0 0.0 3.0 16617 61 1 0x10 40 0 + 1.78936 2 3 tcp 576 ------N 0 0.0 3.0 17153 62 1 0x10 40 0 + 1.789936 2 3 tcp 576 ------N 0 0.0 3.0 17689 63 1 0x10 40 0 + 1.79512 2 3 tcp 576 ------N 0 0.0 3.0 18225 64 1 0x10 40 0 + 1.795696 2 3 tcp 576 ------N 0 0.0 3.0 18761 65 1 0x10 40 0 CWND limit reached + 1.88936 3 2 ack 66 C------ 0 3.0 0.0 1 66 13401 0x58 66 3 3rd DUPACK + 1.89512 3 2 ack 66 C------ 0 3.0 0.0 1 67 13401 0x58 66 3 + 1.90088 3 2 ack 66 C------ 0 3.0 0.0 1 68 13401 0x58 66 3 + 1.90664 3 2 ack 66 C------ 0 3.0 0.0 1 69 13401 0x58 66 3 + 1.9124 3 2 ack 66 C------ 0 3.0 0.0 1 70 13401 0x58 66 3 + 1.91816 3 2 ack 66 C------ 0 3.0 0.0 1 71 13401 0x58 66 3 last packet transmittedAfter Fix:
+ 1.566824 2 3 tcp 576 ------N 0 0.0 3.0 7505 31 1 0x10 40 0 + 1.5674 2 3 tcp 576 ------N 0 0.0 3.0 8041 32 1 0x10 40 0 + 1.572584 2 3 tcp 576 ------N 0 0.0 3.0 8577 33 1 0x10 40 0 + 1.57316 2 3 tcp 576 ----E-N 0 0.0 3.0 9113 34 1 0x10 40 0 CONGESTION NOTIFICATION + 1.578344 2 3 tcp 576 ------N 0 0.0 3.0 9649 35 1 0x10 40 0 + 1.57892 2 3 tcp 576 ------N 0 0.0 3.0 10185 36 1 0x10 40 0 + 1.584104 2 3 tcp 576 ------N 0 0.0 3.0 10721 37 1 0x10 40 0 + 1.58468 2 3 tcp 576 ------N 0 0.0 3.0 11257 38 1 0x10 40 0 + 1.589864 2 3 tcp 576 ------N 0 0.0 3.0 11793 39 1 0x10 40 0 + 1.59044 2 3 tcp 576 ------N 0 0.0 3.0 12329 40 1 0x10 40 0 + 1.595624 2 3 tcp 576 ------N 0 0.0 3.0 12865 41 1 0x10 40 0 + 1.5962 2 3 tcp 576 ------N 0 0.0 3.0 13401 42 1 0x10 40 0 d 1.5962 2 3 tcp 576 ------N 0 0.0 3.0 13401 42 1 0x10 40 0 DROP + 1.601384 2 3 tcp 576 ------N 0 0.0 3.0 13937 43 1 0x10 40 0 + 1.60196 2 3 tcp 576 ------N 0 0.0 3.0 14473 44 1 0x10 40 0 d 1.60196 2 3 tcp 576 ------N 0 0.0 3.0 14473 44 1 0x10 40 0 + 1.607144 2 3 tcp 576 ------N 0 0.0 3.0 15009 45 1 0x10 40 0 + 1.60772 2 3 tcp 576 ------N 0 0.0 3.0 15545 46 1 0x10 40 0 d 1.60772 2 3 tcp 576 ------N 0 0.0 3.0 15545 46 1 0x10 40 0 + 1.672584 3 2 ack 40 ------- 0 3.0 0.0 1 47 8041 0x18 40 0 + 1.678344 3 2 ack 40 ------- 0 3.0 0.0 1 48 8577 0x18 40 0 + 1.684104 3 2 ack 40 ------- 0 3.0 0.0 1 49 9113 0x18 40 0 + 1.689864 3 2 ack 40 C------ 0 3.0 0.0 1 50 9649 0x58 40 0 + 1.695624 3 2 ack 40 C------ 0 3.0 0.0 1 51 10185 0x58 40 0 + 1.701384 3 2 ack 40 C------ 0 3.0 0.0 1 52 10721 0x58 40 0 + 1.707144 3 2 ack 40 C------ 0 3.0 0.0 1 53 11257 0x58 40 0 + 1.712904 3 2 ack 40 C------ 0 3.0 0.0 1 54 11793 0x58 40 0 + 1.718664 3 2 ack 40 C------ 0 3.0 0.0 1 55 12329 0x58 40 0 + 1.724424 3 2 ack 40 C------ 0 3.0 0.0 1 56 12865 0x58 40 0 + 1.730184 3 2 ack 40 C------ 0 3.0 0.0 1 57 13401 0x58 40 0 + 1.735944 3 2 ack 50 C------ 0 3.0 0.0 1 58 13401 0x58 50 1 + 1.741704 3 2 ack 58 C------ 0 3.0 0.0 1 59 13401 0x58 58 2 + 1.7836 2 3 tcp 576 ------N 0 0.0 3.0 16081 60 1 0x10 40 0 + 1.784176 2 3 tcp 576 ------N 0 0.0 3.0 16617 61 1 0x10 40 0 + 1.78936 2 3 tcp 576 ------N 0 0.0 3.0 17153 62 1 0x10 40 0 + 1.789936 2 3 tcp 576 ------N 0 0.0 3.0 17689 63 1 0x10 40 0 + 1.79512 2 3 tcp 576 ------N 0 0.0 3.0 18225 64 1 0x10 40 0 + 1.795696 2 3 tcp 576 ------N 0 0.0 3.0 18761 65 1 0x10 40 0 + 1.88936 3 2 ack 66 C------ 0 3.0 0.0 1 66 13401 0x58 66 3 3rd DUPACK + 1.89512 3 2 ack 66 C------ 0 3.0 0.0 1 67 13401 0x58 66 3 + 1.90088 3 2 ack 66 C------ 0 3.0 0.0 1 68 13401 0x58 66 3 + 1.90664 3 2 ack 66 C------ 0 3.0 0.0 1 69 13401 0x58 66 3 + 1.9124 3 2 ack 66 C------ 0 3.0 0.0 1 70 13401 0x58 66 3 + 1.91816 3 2 ack 66 C------ 0 3.0 0.0 1 71 13401 0x58 66 3 + 2.000662 2 3 tcp 576 ------N 0 0.0 3.0 13401 72 1 0x10 40 0 REXMT + 2.001238 2 3 tcp 576 ------N 0 0.0 3.0 14473 73 1 0x10 40 0 + 2.006422 2 3 tcp 576 ------N 0 0.0 3.0 15545 74 1 0x10 40 0 + 2.012182 2 3 tcp 576 ---A--N 0 0.0 3.0 19297 75 1 0x90 40 0 + 2.017942 2 3 tcp 576 ------N 0 0.0 3.0 19833 76 1 0x10 40 0 + 2.023702 2 3 tcp 576 ------N 0 0.0 3.0 20369 77 1 0x10 40 0 + 2.029462 2 3 tcp 576 ------N 0 0.0 3.0 20905 78 1 0x10 40 0
+ 21.30647 3 2 ack 40 ------- 0 3.0 0.0 1 105 16081 0x18 40 0 + 21.371096 2 3 tcp 576 ------- 0 0.0 3.0 16081 106 1 0x10 40 0 d 21.371557 2 3 tcp 576 ------- 0 0.0 3.0 16617 107 1 0x10 40 0 DROP + 21.374168 2 3 tcp 576 ------- 0 0.0 3.0 17153 108 1 0x10 40 0 d 21.374629 2 3 tcp 576 ------- 0 0.0 3.0 17689 109 1 0x10 40 0 + 21.37724 2 3 tcp 576 ------- 0 0.0 3.0 18225 110 1 0x10 40 0 d 21.377701 2 3 tcp 576 ------- 0 0.0 3.0 18761 111 1 0x10 40 0 d 21.380312 2 3 tcp 576 ------- 0 0.0 3.0 19297 112 1 0x10 40 0 d 21.380773 2 3 tcp 576 ------- 0 0.0 3.0 19833 113 1 0x10 40 0 d 21.383384 2 3 tcp 576 ------- 0 0.0 3.0 20369 114 1 0x10 40 0 d 21.386456 2 3 tcp 576 ------- 0 0.0 3.0 20905 115 1 0x10 40 0 d 21.389528 2 3 tcp 576 ------- 0 0.0 3.0 21441 116 1 0x10 40 0 d 21.3926 2 3 tcp 576 ------- 0 0.0 3.0 21977 117 1 0x10 40 0 d 21.395672 2 3 tcp 576 ------- 0 0.0 3.0 22513 118 1 0x10 40 0 d 21.398744 2 3 tcp 576 ------- 0 0.0 3.0 23049 119 1 0x10 40 0 d 21.401816 2 3 tcp 576 ------- 0 0.0 3.0 23585 120 1 0x10 40 0 d 21.404888 2 3 tcp 576 ------- 0 0.0 3.0 24121 121 1 0x10 40 0 d 21.40796 2 3 tcp 576 ------- 0 0.0 3.0 24657 122 1 0x10 40 0 d 21.411032 2 3 tcp 576 ------- 0 0.0 3.0 25193 123 1 0x18 40 0 + 21.474168 3 2 ack 40 ------- 0 3.0 0.0 1 124 16617 0x18 40 0 + 21.47724 3 2 ack 50 ------- 0 3.0 0.0 1 125 16617 0x18 50 1 + 21.480312 3 2 ack 58 ------- 0 3.0 0.0 1 126 16617 0x18 58 2 2nd DUPACK + 22.584874 2 3 tcp 576 ------- 0 0.0 3.0 16617 127 1 0x10 40 0 TIMEOUT / REXMT + 22.687946 3 2 ack 50 ------- 0 3.0 0.0 1 128 17689 0x18 50 1 + 22.798714 2 3 tcp 576 ------- 0 0.0 3.0 1703 129 1 0x10 40 0 begin sending wrong packets + 22.799174 2 3 tcp 576 ------- 0 0.0 3.0 2239 130 1 0x10 40 0 + 22.799635 2 3 tcp 576 ------- 0 0.0 3.0 2775 131 1 0x10 40 0 + 22.800096 2 3 tcp 576 ------- 0 0.0 3.0 3311 132 1 0x10 40 0 + 22.800557 2 3 tcp 576 ------- 0 0.0 3.0 3847 133 1 0x10 40 0 + 22.801018 2 3 tcp 576 ------- 0 0.0 3.0 4383 134 1 0x10 40 0 + 22.801478 2 3 tcp 576 ------- 0 0.0 3.0 4919 135 1 0x10 40 0 + 22.801939 2 3 tcp 576 ------- 0 0.0 3.0 5455 136 1 0x10 40 0 + 22.8024 2 3 tcp 576 ------- 0 0.0 3.0 5991 137 1 0x10 40 0 + 22.802861 2 3 tcp 576 ------- 0 0.0 3.0 6527 138 1 0x10 40 0 + 22.803322 2 3 tcp 576 ------- 0 0.0 3.0 7063 139 1 0x10 40 0 + 22.803782 2 3 tcp 576 ------- 0 0.0 3.0 7599 140 1 0x10 40 0 + 22.804243 2 3 tcp 576 ------- 0 0.0 3.0 8135 141 1 0x10 40 0After Fix:
+ 21.371096 2 3 tcp 576 ------- 0 0.0 3.0 16081 106 1 0x10 40 0 d 21.371557 2 3 tcp 576 ------- 0 0.0 3.0 16617 107 1 0x10 40 0 DROP + 21.374168 2 3 tcp 576 ------- 0 0.0 3.0 17153 108 1 0x10 40 0 d 21.374629 2 3 tcp 576 ------- 0 0.0 3.0 17689 109 1 0x10 40 0 + 21.37724 2 3 tcp 576 ------- 0 0.0 3.0 18225 110 1 0x10 40 0 d 21.377701 2 3 tcp 576 ------- 0 0.0 3.0 18761 111 1 0x10 40 0 d 21.380312 2 3 tcp 576 ------- 0 0.0 3.0 19297 112 1 0x10 40 0 d 21.380773 2 3 tcp 576 ------- 0 0.0 3.0 19833 113 1 0x10 40 0 d 21.383384 2 3 tcp 576 ------- 0 0.0 3.0 20369 114 1 0x10 40 0 d 21.386456 2 3 tcp 576 ------- 0 0.0 3.0 20905 115 1 0x10 40 0 d 21.389528 2 3 tcp 576 ------- 0 0.0 3.0 21441 116 1 0x10 40 0 d 21.3926 2 3 tcp 576 ------- 0 0.0 3.0 21977 117 1 0x10 40 0 d 21.395672 2 3 tcp 576 ------- 0 0.0 3.0 22513 118 1 0x10 40 0 d 21.398744 2 3 tcp 576 ------- 0 0.0 3.0 23049 119 1 0x10 40 0 d 21.401816 2 3 tcp 576 ------- 0 0.0 3.0 23585 120 1 0x10 40 0 d 21.404888 2 3 tcp 576 ------- 0 0.0 3.0 24121 121 1 0x10 40 0 d 21.40796 2 3 tcp 576 ------- 0 0.0 3.0 24657 122 1 0x10 40 0 d 21.411032 2 3 tcp 576 ------- 0 0.0 3.0 25193 123 1 0x18 40 0 + 21.474168 3 2 ack 40 ------- 0 3.0 0.0 1 124 16617 0x18 40 0 + 21.47724 3 2 ack 50 ------- 0 3.0 0.0 1 125 16617 0x18 50 1 + 21.480312 3 2 ack 58 ------- 0 3.0 0.0 1 126 16617 0x18 58 2 2nd DUPACK + 22.584874 2 3 tcp 576 ------- 0 0.0 3.0 16617 127 1 0x10 40 0 TIMEOUT/REXMT + 22.687946 3 2 ack 50 ------- 0 3.0 0.0 1 128 17689 0x18 50 1 + 22.798714 2 3 tcp 576 ------- 0 0.0 3.0 17689 129 1 0x10 40 0 slow-start recovery + 22.799174 2 3 tcp 576 ------- 0 0.0 3.0 18225 130 1 0x10 40 0 + 22.901786 3 2 ack 40 ------- 0 3.0 0.0 1 131 18761 0x18 40 0 + 22.904858 3 2 ack 40 ------- 0 3.0 0.0 1 132 18761 0x18 40 0
1.510990: FullTcpAgent(_o91) warning: received illegal SACK block [3217,3217] + 0.70504 2 3 tcp 40 ------- 0 0.0 3.0 0 0 -1 0xa 40 0 + 0.80544 3 2 ack 40 ------- 0 3.0 0.0 0 1 1 0x1a 40 0 + 0.91592 2 3 tcp 40 ------- 0 0.0 3.0 1 2 1 0x10 40 0 + 0.916496 2 3 tcp 576 ------- 0 0.0 3.0 1 3 1 0x10 40 0 + 0.917072 2 3 tcp 576 ------- 0 0.0 3.0 537 4 1 0x10 40 0 + 1.022256 3 2 ack 40 ------- 0 3.0 0.0 1 5 537 0x18 40 0 + 1.028016 3 2 ack 40 ------- 0 3.0 0.0 1 6 1073 0x18 40 0 + 1.133272 2 3 tcp 576 ------- 0 0.0 3.0 1073 7 1 0x10 40 0 + 1.133848 2 3 tcp 576 ------- 0 0.0 3.0 1609 8 1 0x10 40 0 + 1.139032 2 3 tcp 576 ------- 0 0.0 3.0 2145 9 1 0x10 40 0 d 1.139608 2 3 tcp 576 ------- 0 0.0 3.0 2681 10 1 0x10 40 0 DROP + 1.239032 3 2 ack 40 ------- 0 3.0 0.0 1 11 1609 0x18 40 0 + 1.244792 3 2 ack 40 ------- 0 3.0 0.0 1 12 2145 0x18 40 0 + 1.250552 3 2 ack 40 ------- 0 3.0 0.0 1 13 2681 0x18 40 0 + 1.30504 2 3 tcp 40 ------- 0 0.0 3.0 3217 14 1 0x19 40 0 FIN (seg 3217) + 1.40544 3 2 ack 50 ------- 0 3.0 0.0 1 15 2681 0x18 50 1After Fix:
No error message
+ 2.146456 3 2 ack 40 ------- 0 3.0 0.0 1 88 22513 0x18 40 0 + 2.152216 3 2 ack 40 ------- 0 3.0 0.0 1 89 23049 0x18 40 0 + 2.157976 3 2 ack 40 ------- 0 3.0 0.0 1 90 23585 0x18 40 0 d 2.217152 2 3 tcp 576 ------- 0 0.0 3.0 23585 91 1 0x10 40 0 d 2.222912 2 3 tcp 576 ------- 0 0.0 3.0 24121 92 1 0x10 40 0 d 2.228672 2 3 tcp 576 ------- 0 0.0 3.0 24657 93 1 0x10 40 0 d 2.234432 2 3 tcp 576 ------- 0 0.0 3.0 25193 94 1 0x10 40 0 d 2.240192 2 3 tcp 576 ------- 0 0.0 3.0 25729 95 1 0x10 40 0 d 2.245952 2 3 tcp 576 ------- 0 0.0 3.0 26265 96 1 0x10 40 0 d 2.251712 2 3 tcp 576 ------- 0 0.0 3.0 26801 97 1 0x10 40 0 d 2.257472 2 3 tcp 576 ------- 0 0.0 3.0 27337 98 1 0x10 40 0 d 2.263232 2 3 tcp 576 ------- 0 0.0 3.0 27873 99 1 0x10 40 0 d 2.268992 2 3 tcp 576 ------- 0 0.0 3.0 28409 100 1 0x10 40 0 CWND DROPS + 3.268992 2 3 tcp 576 ------- 0 0.0 3.0 23585 101 1 0x10 40 0 TIMEOUT and REXMT + 3.374752 3 2 ack 40 ------- 0 3.0 0.0 1 102 24121 0x18 40 0 + 3.485768 2 3 tcp 576 ------- 0 0.0 3.0 24121 103 1 0x10 40 0 one REXMT per RTT... + 3.591528 3 2 ack 40 ------- 0 3.0 0.0 1 104 24657 0x18 40 0 + 3.702544 2 3 tcp 576 ------- 0 0.0 3.0 24657 105 1 0x10 40 0 + 3.808304 3 2 ack 40 ------- 0 3.0 0.0 1 106 25193 0x18 40 0 + 3.91932 2 3 tcp 576 ------- 0 0.0 3.0 25193 107 1 0x10 40 0 + 4.02508 3 2 ack 40 ------- 0 3.0 0.0 1 108 25729 0x18 40 0 + 4.136096 2 3 tcp 576 ------- 0 0.0 3.0 25729 109 1 0x10 40 0 + 4.241856 3 2 ack 40 ------- 0 3.0 0.0 1 110 26265 0x18 40 0 + 4.352872 2 3 tcp 576 ------- 0 0.0 3.0 26265 111 1 0x10 40 0 + 4.458632 3 2 ack 40 ------- 0 3.0 0.0 1 112 26801 0x18 40 0 + 4.569648 2 3 tcp 576 ------- 0 0.0 3.0 26801 113 1 0x10 40 0 + 4.675408 3 2 ack 40 ------- 0 3.0 0.0 1 114 27337 0x18 40 0 + 4.786424 2 3 tcp 576 ------- 0 0.0 3.0 27337 115 1 0x10 40 0 + 4.892184 3 2 ack 40 ------- 0 3.0 0.0 1 116 27873 0x18 40 0 + 5.0032 2 3 tcp 576 ------- 0 0.0 3.0 27873 117 1 0x10 40 0 + 5.10896 3 2 ack 40 ------- 0 3.0 0.0 1 118 28409 0x18 40 0 + 5.219976 2 3 tcp 576 ------- 0 0.0 3.0 28409 119 1 0x10 40 0 + 5.325736 3 2 ack 40 ------- 0 3.0 0.0 1 120 28945 0x18 40 0 + 5.436752 2 3 tcp 576 ---A--- 0 0.0 3.0 28945 121 1 0x90 40 0 all drops recovered + 5.437328 2 3 tcp 576 ------- 0 0.0 3.0 29481 122 1 0x10 40 0After Fix:
+ 2.146456 3 2 ack 40 ------- 0 3.0 0.0 1 88 22513 0x18 40 0 + 2.152216 3 2 ack 40 ------- 0 3.0 0.0 1 89 23049 0x18 40 0 + 2.157976 3 2 ack 40 ------- 0 3.0 0.0 1 90 23585 0x18 40 0 d 2.217152 2 3 tcp 576 ------- 0 0.0 3.0 23585 91 1 0x10 40 0 d 2.222912 2 3 tcp 576 ------- 0 0.0 3.0 24121 92 1 0x10 40 0 d 2.228672 2 3 tcp 576 ------- 0 0.0 3.0 24657 93 1 0x10 40 0 d 2.234432 2 3 tcp 576 ------- 0 0.0 3.0 25193 94 1 0x10 40 0 d 2.240192 2 3 tcp 576 ------- 0 0.0 3.0 25729 95 1 0x10 40 0 d 2.245952 2 3 tcp 576 ------- 0 0.0 3.0 26265 96 1 0x10 40 0 d 2.251712 2 3 tcp 576 ------- 0 0.0 3.0 26801 97 1 0x10 40 0 d 2.257472 2 3 tcp 576 ------- 0 0.0 3.0 27337 98 1 0x10 40 0 d 2.263232 2 3 tcp 576 ------- 0 0.0 3.0 27873 99 1 0x10 40 0 d 2.268992 2 3 tcp 576 ------- 0 0.0 3.0 28409 100 1 0x10 40 0 CWND DROPS + 3.268992 2 3 tcp 576 ------- 0 0.0 3.0 23585 101 1 0x10 40 0 TIMEOUT and REXMT + 3.374752 3 2 ack 40 ------- 0 3.0 0.0 1 102 24121 0x18 40 0 + 3.485768 2 3 tcp 576 ------- 0 0.0 3.0 24121 103 1 0x10 40 0 REXMT and continue slow-start + 3.486344 2 3 tcp 576 ------- 0 0.0 3.0 24657 104 1 0x10 40 0 CWND = 2 + 3.591528 3 2 ack 40 ------- 0 3.0 0.0 1 105 24657 0x18 40 0 + 3.597288 3 2 ack 40 ------- 0 3.0 0.0 1 106 25193 0x18 40 0 + 3.702544 2 3 tcp 576 ------- 0 0.0 3.0 25193 107 1 0x10 40 0 CWND = 4 + 3.70312 2 3 tcp 576 ------- 0 0.0 3.0 25729 108 1 0x10 40 0 + 3.708304 2 3 tcp 576 ------- 0 0.0 3.0 26265 109 1 0x10 40 0 + 3.70888 2 3 tcp 576 ------- 0 0.0 3.0 26801 110 1 0x10 40 0 + 3.808304 3 2 ack 40 ------- 0 3.0 0.0 1 111 25729 0x18 40 0 + 3.814064 3 2 ack 40 ------- 0 3.0 0.0 1 112 26265 0x18 40 0 + 3.819824 3 2 ack 40 ------- 0 3.0 0.0 1 113 26801 0x18 40 0 + 3.825584 3 2 ack 40 ------- 0 3.0 0.0 1 114 27337 0x18 40 0 + 3.91932 2 3 tcp 576 ------- 0 0.0 3.0 27337 115 1 0x10 40 0 + 3.919896 2 3 tcp 576 ------- 0 0.0 3.0 27873 116 1 0x10 40 0 + 3.92508 2 3 tcp 576 ------- 0 0.0 3.0 28409 117 1 0x10 40 0 + 3.93084 2 3 tcp 576 ---A--- 0 0.0 3.0 28945 118 1 0x90 40 0 all drops recovered