ip-addr-tutorial

_____________________________________________________________Application NoteIP AddressingA Simplified TutorialJuly 2002Avaya LabsCOMPAS ID 929621All information in this document is subject to change without notice.Although the information is believed to be accurate, it is provided withoutguarantee of complete accuracy and without warranty of any kind. It isthe user’s responsibility to verify and test all information in this document.Avaya shall not be liable for any adverse outcomes resulting from theapplication of this document; the user must take full responsibility.2Companion document• LANs and VLANs: A Simplified Tutorialhttp://www1.avaya.com/enterprise/whitepapers/vlan-tutorial.pdf3IntroductionThe purpose of this tutorial is to give the newcomer to datanetworking a basic understanding of IP addressing. The following topicsare covered.– IP addressing fundamentals– Classful IP addressing– Subnet masks– Variable length subnet masks (VLSM)– Classless inter-domain routing (CIDR)– Routing and routing protocols4IP Addressing Fundamentals5OSI and TCP/IPOSI Reference TCP/IP Terms used in this tutorialModel7 – Application6 – Presentation Application5 – Session4 – Transport Host – to – Host TCP port, UDP port(TCP/UDP)3 – Network Internet (IP) IP address2 – Data Link Network Interface MAC address1 – Physical• This table is presented for reference purposes.– The first column shows the 7-layer OSI Reference Model, which is a ...