sjose16
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Client doesn't respond to SYN-ACK
We have been seeing an issue where the tcp handshake is not being established properly that we are losing data. Using wireshark to monitor our network, we have seen the client sending SYN and our server will send SYN, ACK, however the client doesn't seem to be responding to the SYN, ACK. We only have one client connecting at a time since our server it's still being tested and it happens intermittently but one packet loss is critical.
Time Source Destination Info
2009-04-28 10:23:00.352914 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460 WS=0 TSV=3505842492 TSER=0
2009-04-28 10:23:00.352942 Server Client gap > 50883 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0
2009-04-28 10:23:02.532878 Server Client gap > 50883 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0
2009-04-28 10:23:08.568226 Server Client gap > 50883 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0
2009-04-28 10:23:09.752464 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:12.952809 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:16.152570 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:22.353056 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:22.353086 Server Client [TCP Previous segment lost] gap > 50883 [SYN, ACK] Seq=5733720 Ack=1 Win=16384 Len=0 MSS=1460
2009-04-28 10:23:24.662605 Server Client gap > 50883 [SYN, ACK] Seq=5733720 Ack=1 Win=16384 Len=0 MSS=1460
2009-04-28 10:23:30.697935 Server Client gap > 50883 [SYN, ACK] Seq=5733720 Ack=1 Win=16384 Len=0 MSS=1460
Time Source Destination Info
2009-04-28 10:23:00.352914 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460 WS=0 TSV=3505842492 TSER=0
2009-04-28 10:23:00.352942 Server Client gap > 50883 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0
2009-04-28 10:23:02.532878 Server Client gap > 50883 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0
2009-04-28 10:23:08.568226 Server Client gap > 50883 [SYN, ACK] Seq=0 Ack=1 Win=16384 Len=0 MSS=1460 WS=0 TSV=0 TSER=0
2009-04-28 10:23:09.752464 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:12.952809 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:16.152570 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:22.353056 Client Server 50883 > gap [SYN] Seq=0 Win=32768 Len=0 MSS=1460
2009-04-28 10:23:22.353086 Server Client [TCP Previous segment lost] gap > 50883 [SYN, ACK] Seq=5733720 Ack=1 Win=16384 Len=0 MSS=1460
2009-04-28 10:23:24.662605 Server Client gap > 50883 [SYN, ACK] Seq=5733720 Ack=1 Win=16384 Len=0 MSS=1460
2009-04-28 10:23:30.697935 Server Client gap > 50883 [SYN, ACK] Seq=5733720 Ack=1 Win=16384 Len=0 MSS=1460
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