Understanding TCP/IP Model Internals and Interfaces

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1508 Understanding TCP/IP Model Internals and Interfaces b. tcp_conn_v3 process model is a child process of the tcp_manager_v3 process model. Expand tcp module (click on + sign) and tcp_manager process (click on + sign) to get a list of TCP connection process models on the node: 4. What is the process ID of the active TCP process on server? ___________ 5. Type prodiag 53 in the Simulation Console to get connection state information just before the session is closed. You should see the following output: CONFIDENTIAL – RESTRICTED ACCESS: This information may not be disclosed, copied, or transmitted in any format without the prior written consent of OPNET Technologies, Inc. © 2010 OPNET Technologies, Inc. 8
1508 Understanding TCP/IP Model Internals and Interfaces 6. At what state is the connection? ___________ 7. What is the size of congestion window? (Hint: cwnd variable is used to store the congestion window) ___________ 8. Is there any unsent data in the send or retransmission buffer? ___________ CONFIDENTIAL – RESTRICTED ACCESS: This information may not be disclosed, copied, or transmitted in any format without the prior written consent of OPNET Technologies, Inc. © 2010 OPNET Technologies, Inc. 9
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Understanding TCP/IP Model Internals and Interfaces

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