すみません。素人です。 wiresharkでネットワークキャプチャーをしていると下のような ”[TCP ZeroWindow] [TCP segment of a reassembled PDU] ” パケットが見られました。 ネットワークカードのバッファーがいっぱいになったのでしょうか？ ------------------------------------------------- No. Time Source Destination Protocol Length Info NT Status New ColumnA New ColumnB New ColumnC New ColumnD New Column New Column 1497 2015-07-13 06:46:37.719761000 192.168.3.66 192.168.3.63 TCP 55 [TCP ZeroWindow] [TCP segment of a reassembled PDU] 0.045866000 1497 0.045866000 17.692386000 49243 1433 Frame 1497: 55 bytes on wire (440 bits), 55 bytes captured (440 bits) on interface 0 Ethernet II, Src: WistronI_8c:90:96 (f8:0f:41:8c:90:96), Dst: FujitsuT_ec:2f:66 (00:19:99:ec:2f:66) Internet Protocol Version 4, Src: 192.168.3.66 (192.168.3.66), Dst: 192.168.3.63 (192.168.3.63) Transmission Control Protocol, Src Port: 49243 (49243), Dst Port: ms-sql-s (1433), Seq: 3286649112, Ack: 66218052, Len: 1 Source port: 49243 (49243) Destination port: ms-sql-s (1433) [Stream index: 41] Sequence number: 3286649112 [Next sequence number: 3286649113] Acknowledgment number: 66218052 Header length: 20 bytes Flags: 0x010 (ACK) Window size value: 0 [Calculated window size: 0] [Window size scaling factor: -1 (unknown)] Checksum: 0x87ed [validation disabled] [SEQ/ACK analysis] [Bytes in flight: 1] [TCP Analysis Flags] [This is a ZeroWindow segment] [Expert Info (Warn/Sequence): Zero window] [Message: Zero window] [Severity level: Warn] [Group: Sequence] TCP segment data (1 byte)
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