Это от клиента к серверу сессия
Frame 1329: 213 bytes on wire (1704 bits), 213 bytes captured (1704 bits) on interface \Device\NPF_{2269F7A6-B810-49D7-8960-9947A49D2CF8}, id 0
Ethernet II, Src: PcsCompu_f1:c5:1a (08:00:27:f1:c5:1a), Dst: EltexEnt_0c:59:80 (e0:d9:e3:0c:59:80)
Internet Protocol Version 4, Src:
172.16.16.66, Dst:
192.168.12.240Transmission Control Protocol, Src Port: 49709, Dst Port: 445, Seq: 1, Ack: 1, Len: 159
Source Port: 49709
Destination Port: 445
[Stream index: 13]
[TCP Segment Len: 159]
Sequence number: 1 (relative sequence number)
Sequence number (raw): 2722465422
[Next sequence number: 160 (relative sequence number)]
Acknowledgment number: 1 (relative ack number)
Acknowledgment number (raw): 1054409058
0101 .... = Header Length: 20 bytes (5)
Flags: 0x018 (PSH, ACK)
Window size value: 49183
[Calculated window size: 12590848]
[Window size scaling factor: 256]
Checksum: 0x8aa4 [unverified]
[Checksum Status: Unverified]
Urgent pointer: 0
[SEQ/ACK analysis]
[Timestamps]
TCP payload (159 bytes)
NetBIOS Session Service
SMB (Server Message Block Protocol)
Это от сервера до клиента сессия
Frame 1330: 306 bytes on wire (2448 bits), 306 bytes captured (2448 bits) on interface \Device\NPF_{2269F7A6-B810-49D7-8960-9947A49D2CF8}, id 0
Ethernet II, Src: EltexEnt_0c:59:80 (e0:d9:e3:0c:59:80), Dst: PcsCompu_f1:c5:1a (08:00:27:f1:c5:1a)
Internet Protocol Version 4, Src:
192.168.12.240, Dst:
172.16.16.66Transmission Control Protocol, Src Port: 445, Dst Port: 49709, Seq: 1, Ack: 160, Len: 252
Source Port: 445
Destination Port: 49709
[Stream index: 13]
[TCP Segment Len: 252]
Sequence number: 1 (relative sequence number)
Sequence number (raw): 1054409058
[Next sequence number: 253 (relative sequence number)]
Acknowledgment number: 160 (relative ack number)
Acknowledgment number (raw): 2722465581
0101 .... = Header Length: 20 bytes (5)
Flags: 0x018 (PSH, ACK)
Window size value: 256
[Calculated window size: 65536]
[Window size scaling factor: 256]
Checksum: 0x62b2 [unverified]
[Checksum Status: Unverified]
Urgent pointer: 0
[SEQ/ACK analysis]
[Timestamps]
TCP payload (252 bytes)
NetBIOS Session Service
SMB2 (Server Message Block Protocol version 2)
RTT у меня 1 мс, при текущем размере TCP Window size я копирую со скоростью 10 мегабайт в секунд, у меня интерфейс на стороне клиента 100 Mbit/s, при этом это виртуальная машина. Потерь само-собой нет, поэтому TCP window size не меняется в процессе копирования файла.