Frame 8: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) Ethernet II,

Question

Frame 8: 54 bytes on wire (432 bits), 54 bytes captured (432 bits) Ethernet II, Src: Superlan 00:00:00 (01:00:01:00:00:00), Dst: la:43:20:00:01:00 (la:43:20:00:01:00) Destination: la:43:20:00:01:00 (la :43:20:00:01:00) Source: Superlan 00:00:00 (01:00:01:00:00:00) Type: IPv4 (0x0800) Internet Protocol Version 4, Src 81.131.67.131, Dst: 213.19.160.190 0100 Version 4 0101 Header Length: 20 bytes (5) Differentiated Services Field: 0x00 (DSCP CS0, ECN: Not-ECT) Total Length: 40 Identification: 0xa885 (43141) Flags: 0x02 (Don't Fragment) Fragment offset: 0 Time to live: 128 Protocol: TCP (6) Header checksum: 0x4772 [validation disabled] [Header checksum status Unverified] Source: 81.131.67.131 Destination: 213.19.160.190 [Source GeoIP: Unknown] Destination GeoIP: Unknown Transmission Control Protocol, Src Port: 2810, Dst Port: 80, Seq: 1, Ack: 1, Len: 0 Source Port 2810 Destination Port: 80 Stream index: 3 [TCP Segment Len: 0] Sequence number: 1 (relative sequence number) Acknowledgment number: 1 (relative ack number) Header Length: 20 bytes Flags: 0x010 (ACK) window size value 8760 Calculated window size: 8760 [window size scaling factor 2 (no window scaling used)] Checksum: 0x45c8 [unverified] [Checksum Status: Unverified] Urgent pointer: 0 [SEQ/ACK analysis]

Explanation / Answer

4. a) Protocol field shows that the TCP protocol is being used.

b) Source port 2727 is used.

c) TCP header length is 20 bytes.

d) Sequence number used is 1.

e) Window size value is 8760.

5. a) Relative ACK number is 2921

b) YS , using same maximum segment size.

6. a) Select packet 10 and check whether SYN,SYN ACK, ACK completed or not.

b)TCP header length is 20 bytes.

c) Select packet 10 and check

d) Window size value is 8760.

Thank you.

Related Questions

Navigate

• Browse (All)
• Browse F
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.