That is, the last-seen acknowledgment number has been set. We tried changing /proc/sys/net/ipv4/ip_local_port_rangeįrom 9000 65499 to 10000 15000 and there was significant improvement, but the problem is still there. many tcp retransmission wireshark That is, the last-seen acknowledgment number has been set. ICMP 98 Echo (ping) request id=0x25b6, seq=180/46080, ttl=64 (no response found!) For wireshark to identify a segment as a retransmitte one, it has to identify both packets (original and retransmitted) in the pcap file. When we increase the ODBC timeout to 120 seconds, the connection works, but it takes a long time to connect.Ī wireshark trace seems to indicate that there is port re-use: For more information see SQL Server Books Online.Ĭ Connection 1 failed using Driver=ODBC Driver 17 for SQL Check if instance name is correct and if SQL Server is configured to allow remote connections. 06Ĭ ERROR: -1 in function SQLConnectWithRetry (SQLConnectWithRetry) Ĭ (99) Login timeout expiredĬ (258) TCP Provider: Error code 0x102Ĭ (258) A network-related or instance-specific error has occurred while establishing a connection to SQL Server. The connection is being made to SQL Server.
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