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01 OSI model & TCPIP - Interconnecting Networks...

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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. Interconnecting Networks with TCP/IP
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. Upon completion of this chapter you will be able to perform the following tasks: Identify the IP protocol stack, its protocol layer functions, and commonly used IP protocols Identify IP address classes, IP addresses, IP subnet masks, IP network numbers, subnet numbers, and possible host numbers. Objectives
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. Early protocol suite Universal Host Internet TCP/IP Host Introduction to TCP/IP
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. 7 6 5 4 3 2 5 4 3 2 Application Presentation Session Transport Network Data Link Physical 1 Application Transport Internet Data Link Physical 1 TCP/IP Protocol Stack
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. *Used by the router Application Transport Internet Data Link Physical File Transfer - TFTP * - FTP * - NFS E-Mail - SMTP Remote Login - Telnet * - rlogin * Network Management - SNMP * Name Management - DNS* Application Layer Overview
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. Transmission Control Protocol (TCP) User Datagram Protocol (UDP) Application Transport Internet Data Link Physical Connection- Oriented Connectionless Transport Layer Overview
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. Source port (16) Destination port (16) Sequence number (32) Header length (4) Acknowledgement number (32) Reserved (6) Code bits (6) Window (16) Checksum (16) Urgent (16) Options (0 or 32 if any) Data (varies) 20 Bytes Bit 0 Bit 15 Bit 16 Bit 31 TCP Segment Format
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited. TCP Port Numbers F T P Transport Layer T E L N E T D N S S N M P T F T P S M T P UDP Application Layer 21 23 25 53 69 161 R I P 520 Port Numbers
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ZTE University univ.zte.com.cn univ.zte.com.cn The information contained in the file is solely property of ZTE corporation. Any kind of disclosing without permission is prohibited.
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