Exercise 3 TCP retransmission mechanism This exercise takes host A and B as a group, host C and D as a group, and host E and F as a group. The group of host A and B is taken as an example. The operations of other groups refer to the operations of host A and B. 1. Host B start the TCP tool in the experiment platform toolbar and used as the server, set its listening port to 2843. 2. Host B starts the protocol analyzer to start capturing data and set the filter conditions (extract TCP protocol). 3. Host A starts the TCP tool to connect to Host B. (1) Host A starts the "TCP tool in the experimental platform toolbar". (2) Select the "Client" radio button. (3) Fill in the IP address of Host B in the "Address" text box. (4) Fill in the TCP listening port (2483) of Host B in the "Port" text box (5) Click the Connect] button to connect. 4. Host A sends a message to Host B. 5. Host B starts "Start TCP Masking in the Experiment Platform Toolbar" to filter out the received TCP data. 6. Host A sends another message to Host B. 7. Host B refreshes the capture display. When there are more than two timeout retransmission packets in the Session Analysis View, click "Stop TCP Masking" in the Experiment Platform toolbar to restore the normal network function. 8. Host A sends another message to Host B and then disconnects. 9. Host B stops capturing data. According to the "session analysis view" display results, try to draw the datagram interaction diagram of this exercise. Exp04. Transmission Control Protocol (TCP) Purpose 1. Learn the message format of the TCP protocol 2. Learn TCP connection establishment and release process 3. Learn The process of numbering and acknowledgment in TCP data transmission 4. Learn TCP protocol checksum calculation method 5. Understand the TCP retransmission mechanism Experiment Steps This experiment uses Network Structure I as our 1st experiment does. So no need to change your IP this time. verily Topology View] Experiental Teaching System For Computer Network Protocol Analyser le Setting Window Heb DET Verify Server Center Device Switch Module Share Module Share Module Share Module Host HostB Host Host Hout Host Please check the consistency of the actual network connection and the current view's. Exercise 3 TCP retransmission mechanism This exercise takes host A and B as a group, host C and D as a group, and host E and F as a group. The group of host A and B is taken as an example. The operations of other groups refer to the operations of host A and B. 1. Host B start the TCP tool in the experiment platform toolbar and used as the server, set its listening port to 2843 2. Host B starts the protocol analyzer to start capturing data and set the filter conditions (extract TCP protocol). 3. Host A starts the TCP tool to connect to Host B. (1) Host A starts the "TCP tool in the experimental platform toolbar". (2) Select the "Client" radio button. (3) Fill in the IP address of Host B in the "Address" text box. (4) Fill in the TCP listening port (2483) of Host B in the "Port" text box. (5) Click the (Connect] button to connect. 4. Host A sends a message to Host B. 5. Host B starts "Start TCP Masking in the Experiment Platform Toolbar" to filter out the received TCP data. 6. Host A sends another message to Host B. 7. Host B refreshes the capture display. When there are more than two timeout retransmission packets in the Session Analysis View, click "Stop TCP Masking" in the Experiment Platform toolbar to restore the normal network function. 8. Host A sends another message to Host B and then disconnects. 9. Host B stops capturing data. According to the "session analysis view" display results, try to draw the datagram interaction diagram of this exercise. Exercise 3 TCP retransmission mechanism This exercise takes host A and B as a group, host C and D as a group, and host E and F as a group. The group of host A and B is taken as an example. The operations of other groups refer to the operations of host A and B. 1. Host B start the TCP tool in the experiment platform toolbar and used as the server, set its listening port to 2843. 2. Host B starts the protocol analyzer to start capturing data and set the filter conditions (extract TCP protocol). 3. Host A starts the TCP tool to connect to Host B. (1) Host A starts the "TCP tool in the experimental platform toolbar". (2) Select the "Client" radio button. (3) Fill in the IP address of Host B in the "Address" text box. (4) Fill in the TCP listening port (2483) of Host B in the "Port" text box (5) Click the Connect] button to connect. 4. Host A sends a message to Host B. 5. Host B starts "Start TCP Masking in the Experiment Platform Toolbar" to filter out the received TCP data. 6. Host A sends another message to Host B. 7. Host B refreshes the capture display. When there are more than two timeout retransmission packets in the Session Analysis View, click "Stop TCP Masking" in the Experiment Platform toolbar to restore the normal network function. 8. Host A sends another message to Host B and then disconnects. 9. Host B stops capturing data. According to the "session analysis view" display results, try to draw the datagram interaction diagram of this exercise. Exp04. Transmission Control Protocol (TCP) Purpose 1. Learn the message format of the TCP protocol 2. Learn TCP connection establishment and release process 3. Learn The process of numbering and acknowledgment in TCP data transmission 4. Learn TCP protocol checksum calculation method 5. Understand the TCP retransmission mechanism Experiment Steps This experiment uses Network Structure I as our 1st experiment does. So no need to change your IP this time. verily Topology View] Experiental Teaching System For Computer Network Protocol Analyser le Setting Window Heb DET Verify Server Center Device Switch Module Share Module Share Module Share Module Host HostB Host Host Hout Host Please check the consistency of the actual network connection and the current view's. Exercise 3 TCP retransmission mechanism This exercise takes host A and B as a group, host C and D as a group, and host E and F as a group. The group of host A and B is taken as an example. The operations of other groups refer to the operations of host A and B. 1. Host B start the TCP tool in the experiment platform toolbar and used as the server, set its listening port to 2843 2. Host B starts the protocol analyzer to start capturing data and set the filter conditions (extract TCP protocol). 3. Host A starts the TCP tool to connect to Host B. (1) Host A starts the "TCP tool in the experimental platform toolbar". (2) Select the "Client" radio button. (3) Fill in the IP address of Host B in the "Address" text box. (4) Fill in the TCP listening port (2483) of Host B in the "Port" text box. (5) Click the (Connect] button to connect. 4. Host A sends a message to Host B. 5. Host B starts "Start TCP Masking in the Experiment Platform Toolbar" to filter out the received TCP data. 6. Host A sends another message to Host B. 7. Host B refreshes the capture display. When there are more than two timeout retransmission packets in the Session Analysis View, click "Stop TCP Masking" in the Experiment Platform toolbar to restore the normal network function. 8. Host A sends another message to Host B and then disconnects. 9. Host B stops capturing data. According to the "session analysis view" display results, try to draw the datagram interaction diagram of this exercise