If youre looking for a free download links of the switch book. Free ebook pdf cisco lan switching fundamentals paperback. Each router can then communicate with all other routers. This type of network is usually capable of achieving high data transfer rate up to 10 gbps. The block responsible for implementing the media access control functions of the ethernet specification. Cisco lan switching fundamentals presents an indepth look at modern campus network requirements. Each packet has a maximum size, and consists of a header and a data area. Lan was not capable of providing connectivity to wireless devices such as laptoppdaipadmobile.
A popular type of packetswitching service that you need to grasp in ccna is framerelay. May go through a router to access the old server lan segment 1 lan segment 4 lan segment 5 lan segment 2 lan segment 3 vlan 1 vlan 2. Switched networks instructor lab manual this document is exclusive property of cisco systems, inc. Messages are broken into units called packets, and sent from one computer to the other. Ccna routing switching these free pdf notes is to improve the ccna basics and concepts. A big advantage of packet switching over leased line services is we can connect many routers to the packet switching service using a single serial link on each router. Basic switch concepts and configuration 47 unicast broadcast multicast client group with unicast communication, a frame is sent from one host and addressed to one specific destination. Ethernet was originally developed by xerox in the 1970s, and operated at 2. A lan is usually under the administrative control of a single organization. Every station can set up, maintain and break off a connection with another station.
A lan is generally a highspeed network that covers a small geographic area, usually contained within a single building or campus. Lans are composed of inexpensive networking and routing equipment. Lan switches come in two basic architectures, cutthrough and storeandforward. Because lan switching is hardwarebased, it uses mac addresses, which are used by lan switches to forward frames. The more people in your network, the better your chances of finding that perfect job. Network which uses shared media has high probability of data collision. A switching hub was introduced to avoid the problems of shared ethernet. The technology was standardized as ethernet version 1 by a. Any message exceeding a networkdefined maximum length is broken up into shorter units, known as packets, for transmission. In modern networks, data are transferred using packet switching. Describe the function and operation of layer 2 switching, layer 3 switching, and routing identify the layers of the osi model describe the functionality of lan, man, and wan networks identify the possible media types for lan and wan connections. Cable a network that is similar to the one in the topology diagram. What you will learn on completing this chapter, you will be able to.
The layer 2lan switching configuration guide describes lan switching fundamentals and configuration. Lan switching is performed using hardware at the data link layer. The ohio state university raj jain 8 layer3 vlans q also known as virtual subnet q vlan membership implied by maclayer protocol type field and subnet field 123. Explain how pruning reduces unnecessary broadcast traffic on the lan task 1. Determine your gc lan environment your external lan cable connects your gc and computer using lan communications.
Cutthrough switches only examine the destination address before forwarding it on to its destination segment. Click on document lanswitchingandwirelessccnaexplorationlabsandstudyguide. Local area network lan communications installation guide. A big advantage of packetswitching over leased line services is we can connect many routers to the packetswitching service using a single serial link on each router. At the destination, data are extracted from one or more packets and used to reconstruct the original message. Mac address a 6octet number representing the physical address of. A storeandforward switch, on the other hand, accepts and analyzes the entire packet before forwarding it to its destination. From your command prompt, ping the ip address of another pc. Get an overview of lan switching where we discuss cisco switches, vlans, trunking, vtp, spanning tree, port channel, and some best practices. A switching hub is much different from a repeating hub. If you are connecting through a house lan system, obtain settings to be used from your lan administrator.
Some of these protocols include lan local area network protocols, wan wide area network protocols, network protocols, and routing protocols. Nn find n so that at most 1% overflow probability feasible oversubscription rate increases with size n rc n nn 10 0. Routing is done by a device called routers, which are network layer devices. Click on document lan switching andwirelessccnaexplorationlabsandstudyguide.
The connected stations in a lan are autonomous, meaning that primary and secondary stations do not exist. These addresses are called media access control mac addresses. Switch configuration introduction to ethernet switching v1. Ethernet is a local area network technology with end stations assigned unique 48bit addresses. This section discusses the basic theory and operation of ethernet. The job of the data link layer is to check messages are sent to the right device. Switch configuration by the end of this session, you will be able to. However, switching should not be seen as a cureall for network issues. Wireless lan is the extension of lan which is used to connect more than one computers using ethernet cables. If using a lan crossover cable, use lan settings given in table 1.
In contrast, a hub shares bandwidth across multiple connections. A wlan can be installed as the sole network in a school or building. Set up ethereal a lan analyser and start capturing packets. It provides an easytounderstand introduction to lan switching best practices using cisco catalyst switches. This book provides you with a wealth of details on the architecture, operation, and configuration of the cisco catalyst family of switches. Damage can range from the unintended downloading of personal data to. Based on packet switching technologyexamples of wan technology. This is not always a problem, such as when a switch is connected in a conference room to temporarily provide additional portsconnectivity. Packet switching packet switching is a digital networking communications method that groups all transmitted data regardless of content, type, or structure into suitably sized blocks, called packets. Lan switching is a form of packet switching used in local area networks. The challenge is to understand the operation of these technologies and protocols and their role in the network. Before download computer networking tutorial pdf please, once you go through the table of this pdf, in this pdf, you will able to learn about the basic concepts of computer networking. The resources such as printers, file servers, scanners, and internet are easily sharable among computers.
After connecting to your lan, and obtaining settings if needed, set the gc ip address as follows. Michael truett, ccnp, is a network engineer for a large organization specializing in voip. A switch used to switch the data from one point to another. Asynchronous transfer mode atm, integrated services digital network isdn lanscover buildings or a set of closely related buildings. A popular type of packet switching service that you need to grasp in ccna is framerelay. Describe the functionality of lan, man, and wan networks. Lan protocols operate at the physical and data link layers of the osi model and define communication over the various lan media. Permission is granted to print and copy this document for noncommercial distribution and exclusive use by instructors in the ccna 5rxwlqj dqg 6zlwfklqj 6zlwfkhg 1hwzrunv course. Designing a campus network may not appear as interesting or exciting as designing an ip telephony network, an ip video network, or even designing a wireless network.
Recall from chapter 1, networking basics, that frames carry data across the. Modern lan switched networks are based on the theory and operation of ethernet. Basics of tcpip, switching, routing and firewalling. Switching technologies are vital to network design, as these technologies permit the traffic to be sent only where it is required. The initial version of ethernet operated with a speed of 3 mbps and used an algorithm called carrier sense multiple access collision detect csmacd protocol to determine when a device could use the. Section 3 switching architectures section 4 switching tables part ii switch configuration section 5 the cisco ios section 6 switch port configuration part iii switching protocols and functions section 7 vlans and vtp section 8 etherchannel section 9 spanningtree protocol. Packet switching packet switching is similar to message switching using short messages.
This tutorial on wireless lan also covers different wlan flavors viz. Differentiate among unicast, multicast, and broadcast transmission methods describe storeandforward, cutthrough, and fragmentfree switch ing mechanisms describe layer 2 and layer 3 switching operation 1003fmf. Free ebook pdf cisco lan switching fundamentals paperback free ebook pdf download computers and internet books online. Overall, they can increase the capacity and speed of your network. The complete guide to lan switching technology pdf, epub, docx and torrent then this site is not for you. Frames revisited recall from chapter 1, networking basics, that frames carry data across the network and are made up of three parts. This technology was invented by bob metcalfe and d. The function and operation of a hub, a switch, and a router the function and operation of layer 2 switching, layer 3 switching, and routing the osi model functionality of lan, man and wan networks possible media types for lan and wan connections the function and definition of firewalls and gateways. His strength lies in the area of network design, implementation, and troubleshooting for. Let us go through various lan technologies in brief. Examples of this type of network are a small office network inside a single building or your home network. Lan switch security what hackers know about your switches. This lab introduces you to the basics of switch configuration.
Ccie candidates at the ccie routing and switching lab in south africa. Selected sections from 2 ethernet, particularly switched ethernet. Lan switching andwirelessccnaexplorationlabsandstudyguide. A port on a switching hub appears to an end station as another end station except that it does not consume a mac address.
Jun 22, 2009 get an overview of lan switching where we discuss cisco switches, vlans, trunking, vtp, spanning tree, port channel, and some best practices. It describes how to implement flow control and load sharing, isolate uses in the same vlan, eliminate layer 2 loops, divide vlans, and modify vlan tags for packets. Sometimes this is undesirable, such as when the switch that is added has been configured to become the stp root for the vlans to which it is attached. For example, chapter 7, ethernet lan switching concepts, explains how ethernet can support fullduplex fdx communication if a switch connects to a single device rather than a hub. Between individuals, local communication usually occurs face to face, while. Lan switching is a form of packet switching in which the data packets are transferred from one computer to another over a network. Up to this point, frames going in and out of the lan switch have been discussed. Ethernet, token ring, and fibber distributed data interconnect fddi.
To an attached end station, the switch port appears as the. Hi there, thanks for seeing here and also welcome to book site. Routing is the process of finding a path on which data can pass from source to destination. Introducing basic network concepts 3 basetech networking concepts team 2230894 blind folio 3 figure 1. With regard to public networks, the four bottom layers of the osi model require a slightly different approach for a lan. For the remainder of this text, the term networkwill. The term local area network lan is commonly used to describe a network of devices in a limited area a house, office, building. Examples of popular link layer protocols include ethernet, token ring, and fddi. Preface the h3c s5830 documentation set includes 10 configuration guides, which describe the software features for the s5830 switch series and guide you through the software confi. This removes the need to control access to the link using carrier sense multiple access collision detect csmacd. Lanswitchingandwirelessccnaexplorationlabsandstudyguide. The commands and webbased gui utilities for configuring lan switching and wireless are not very difficult. Data communication and computer network 4 lan provides a useful way of sharing the resources between end users.
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