 | 1 | initial version |
Thanks for your response.
Is TCP Dup ACK considered as a duplicated packets also ?
and why I have the same ip.id for my retransmission packets plz ?
lost packet:
0100 .... = Version: 4
.... 0101 = Header Length: 20 bytes (5)
Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
Total Length: 50
Identification: 0x551e (21790)
Transmission Control Protocol, Src Port: 53549, Dst Port: 502, Seq: 241, Ack: 329, Len: 10
Source Port: 53549
Destination Port: 502
[Stream index: 0]
[TCP Segment Len: 10]
Sequence number: 241 (relative sequence number)
Sequence number (raw): 3676632249
[Next sequence number: 251 (relative sequence number)]
Acknowledgment number: 329 (relative ack number)
Acknowledgment number (raw): 1343048155
0101 .... = Header Length: 20 bytes (5)
Flags: 0x018 (PSH, ACK)
Window size value: 65372
[Calculated window size: 65372]
[Window size scaling factor: -1 (unknown)]
Checksum: 0xc82c [unverified]
[Checksum Status: Unverified]
Urgent pointer: 0
Retransmit packet
Internet Protocol Version 4, Src: 192.168.1.2, Dst: 192.168.1.24
0100 .... = Version: 4
.... 0101 = Header Length: 20 bytes (5)
Differentiated Services Field: 0x00 (DSCP: CS0, ECN: Not-ECT)
Total Length: 50
Identification: 0x551e (21790)
Flags: 0x4000, Don't fragment
Fragment offset: 0
Time to live: 128
Protocol: TCP (6)
Header checksum: 0x223d [validation disabled]
[Header checksum status: Unverified]
Source: 192.168.1.2
Destination: 192.168.1.24
Transmission Control Protocol, Src Port: 53549, Dst Port: 502, Seq: 241, Ack: 329, Len: 10
Source Port: 53549
Destination Port: 502
[Stream index: 0]
[TCP Segment Len: 10]
Sequence number: 241 (relative sequence number)
Sequence number (raw): 3676632249
[Next sequence number: 251 (relative sequence number)]
Acknowledgment number: 329 (relative ack number)
Acknowledgment number (raw): 1343048155
0101 .... = Header Length: 20 bytes (5)
Flags: 0x018 (PSH, ACK)
Window size value: 65372
[Calculated window size: 65372]
[Window size scaling factor: -1 (unknown)]
Checksum: 0xc82c [unverified]
[Checksum Status: Unverified]
Urgent pointer: 0
[SEQ/ACK analysis]
[Timestamps]
TCP payload (10 bytes)
Retransmitted TCP segment data (10 bytes)