Introduction The purpose of this tutorial is to give the newcomer to data networking a basic understanding of IP addressing. The following topics are covered. – – – – – – IP addressing fundamentals Classful IP addressing Subnet masks Variable length subnet masks (VLSM) Classless inter-domain routing (CIDR) Routing and routing protocols 4 IP Addressing Fundamentals 5 OSI and TCP/IP OSI Reference Model 7 – Application 6 – Presentation 5 – Session 4 – Transport 3 –
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Ramyar Moghaddam Current Date 2/8/15 Lab #6 Computing Usable Subnets and Hosts iLab (13 points) Write a paragraph (minimum five college-level sentences) below that summarizes what was accomplished in this lab‚ what you learned by performing it‚ how it relates to this week’s TCO’s and other course material; and just as important‚ how you feel it will benefit you in your academic and professional career. (5 points) For the Computing Usable Subnets and Hosts Lab you must show your work in finding the needed
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NETW204: Assignment 2 (50 points) Each answer is worth 1 point each‚ 50 questions = 50 total points. Type answers in the appropriate cell; text will automatically wrap. Post your completed assignment to the dropbox. NAME Distance Vector Routing Protocols Question Answer 1 What does RIP stand for? Routing Information Protocol 2 What metric does RIP use for Path Selection? Hop count 3 If the metric used by RIP exceeds this value for a route it is considered unreachable
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Ctrl-z key sequence d. Using the quit command pg. 221 1. Defines the size of the prefix (combined network and subnet) part of the addresses in a subnet. Defines the size of the prefix (combined network and subnet) part of the addresses ina subnet. 2. Defines the size of the host part of the addresses in the subnet. is an identifiably separate part of an organization’s network. Typically‚ a subnet may represent all the machines at one geographic location‚ in one building‚ or on the same local area network
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4 years. Now do the following: A. Every department and dormitory should be put on their own subnet. When you design the subnetting make sure your design support the following: 10 Points i. 3 subnets for 3 dorms each should support 400 hosts ii. Different subnets for 4 departments • Students and professors should be in different subnets. There are 300 students and 10 professors per department iii. A subnet for administrative department which should support at least 30 hosts The assigned IP address
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protocols Classful routing protocols do not send subnet mask information with their routing updates. A router running a classful routing protocol will react in one of two ways when receiving a route: • If the router has a directly connected interface belonging to the same major network‚ it will apply the same subnet mask as that interface. • If the router does not have any interfaces belonging to the same major network‚ it will apply the classful subnet mask to the route. Belonging to same “major network”
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the dual homed host. 3. Screened Subnet Architecture: The screened subnet architecture approach is driven from the idea of screen host architecture‚ a step further. Since the screening router is present at the primary entry point of the network and screens traffic flow between protected network and internet‚ an addition of further security layer to it by perimeter network which will isolate the secured network from external affects‚ will give birth to screened subnet architecture. As bastion hosts
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HOMEWORK QUESTIONS WEEK 4 3.) What are the parts of TCP/IP and what do they do? Who is the primary user of TCP/IP? TCP/IP is the transport/network layer protocol we use on the internet. Many BN’S‚ MAN’s and WAN’s rely on it. This is because it is relatively efficient‚ and transmission has few errors. Any errors that are found‚ are checked and so large files can be sent even in the most unsafe network and the data will still be unchanged. TCP/IP is very compatible with a number of data link protocols
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0.0.0.89 Why Do We Care!? • You can manipulate your subnet mask in order to create more network addresses. Why? • If you have a Class C network‚ how many individual Host addresses can you have? – 1 to 254 – Remember‚ you can’t have all “0”s and all “1”s in the host portion of the address. – So we cannot use
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address in Figure 8-1 be valid as a class C address? Why or why not? No‚ it would not be a valid Class C address because the first octet is 10. In order to be a class C address‚ it would have to be in the range of 192-223. 8.1.4 According to the subnet mask‚ what is the network ID of the IP address shown? What is the host ID? What is the binary network ID? What is the binary host ID? Does the IP address conform to the rules of classful networking? Why or why not? Network ID=190.8 Host ID=8
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