Switches and routers in networking pdf

It provides authoritative and comprehensive information on general networking concepts, routing algorithms and protocols, addressing, and the mechanics of bridges, routers, switches, and hubs. Located in meridian, idaho, we specialize in using our scents and fragrances to. By the end of this course, students will be able to configure and troubleshoot routers and switches and resolve common issues with ripv1, ripv2, singlearea and multi. Understanding routers, switches, and network hardware.

How to troubleshoot common routers and switches issues. Lans interconnection via bridges late 1980s and early 1990s. Configure devices and verify connectivity in part 2, you will set up the network topology and configure basic settings, such as the interface ip. The router and switch provide the speeds and feeds for all network communications. Topology addressing table device interface ip address subnet mask default gateway r1 g00 192. Device interface ip address subnet mask default gateway. Networking devices michigan technological university. A router is quite common in homes and businesses since it allows your network to communicate with other networks, including the internet. May 22, 2017 rolefunction of routers in computer networks and how routers differ from switches and bridges.

Difference between router and switch with comparison chart. Radia perlmans interconnections is recognized as a leading text on networking theory and practice. Lab building a switch and router network complete in packet. If you are a cisco aspirant, then you must know the exact difference amid routers and switches, as well as the difference between switches and hubs routers and switches both are the networking devices which allow one or more than one. Network switches work at data link layer of the osi model. If configuration files were previously saved on the router and switch, initialize and reload these devices back to their default configurations. Switch or layer 2 switch is often used interchangeably with bridge. The correct configuration of these devices ensures that there will be a healthy flow of data traffic and no problem will be caused. Usually large networks use switches instead of hubs to connect computers within the same subnet. Routers normally connect lans and wans together and have a dynamically updating routing table based on which they make decisions on routing the data packets. Successful network design is the result of many factors. The switches used are cisco catalyst 2960s with cisco ios release 15. Commonly, network devices are identified by the osi layer they operate at.

Complete pdf versions of the command references for a particular technology can be. Unlike hubs, however, network switches are capable of inspecting incoming messages as they are received and directing them to a specific communications porta technology called packet switching. Switches examine each packet and process it accordingly, whereas hubs. The most famous of inter networks is the internet with the rules for communication being defined by the internet protocol ip. Hubs switches bridges routers gateways csudsu channel service unitdata service unit nics network interface card isdn integrated services digital network adapters waps wireless access point. A network functions perfectly when all the switches and routers are connected to all the other devices on the network, through wired or wireless connections.

Figure 1 shows a converged endtoend ip network from the data center to the home and depicts the. Top 10 major differences between a router and switch. In a previous post, i have published a cisco switch commands cheat sheet tutorial. In most cases, you will see people put the modem first, followed by a router and then a gigabit ethernet switch. Introduction to routers and routing networking in plain. Features of telephone network routing stable load can predict pairwise load throughout the day can choose optimal routes in advance extremely reliable switches downtime is less than a few minutes per year can assume that a chosen route is available cant do this in the internet single organization controls entire core can collect global statistics and implement global changes.

The pieces of hardware that form the foundation of a network are basically the network switches, routers. If you are a senior network engineer with experience in networking, routers, switches and cloudaws, please read on. Students learn how to configure a router and a switch for basic functionality. Thus, there is a different connection state for everyone of the n. Jun 30, 2020 a network router is quite different from a switch or hub since its primary function is to route data packets to other networks, instead of only the local computers. Other routers, switches, and cisco ios versions can be used. The principle is that the modem gives the public ip address to the router, and the router assigns the private addresses to the devices connected to it, while the network switch doesnt handle allocating ip addresses but serves. The functions of a router, switch and hub and are all different, even if at times they are integrated into a single device. Even so, about 80,000 networks in core routers 1996 gateways talk to backbone to find best nexthop to every other network in the internet. An ethernet switch is classified as a bridge and therefore operates at the data link layer while routers operate at the network layer. Routers look at the destination ip address in an ip packet and send it out the correct interface. Jun 06, 2012 a network switch is a small hardware device that links multiple computers together within one local area network, wide area network and different network topology. Red font color or gray highlights indicate text that appears in the instructor copy only. Basics of tcpip, switching, routing and firewalling.

Router security policy cs department router security policy 1. In a commercial setting the three pieces of hardware are kept separate but consumer routers are almost always a combination of both the routing and switching components with a firewall added in for good measure. Switches can support both layer 2 based on mac address and layer 3 based on ip address depending on the type of switch. Page 1 of 6 lab building a switch and router network topology addressing table device interface ip address subnet mask default gateway r1 g00 192. Just as a switch connects multiple devices to create a network, a router connects multiple switches, and their respective networks, to form an even larger network. Jul 05, 2017 home routers are actually a a combination of three networking components. Moving from switches to routers advantages of switches over routers plugandplay fast filtering and forwarding of frames no pronunciation ambiguity e. A router is an electronic device that interconnects two or more computer networks. Routers and switches are both computer networking devices that allow one or more computers to be connected to other computers, networked devices, or to other networks. They facilitate the core function of a network and are a necessary and important consideration in the design phase.

Explain how hubs and switches can be connected to create larger networks. Configuring basic switch settings switch examples enter enable if the prompt has changed back to switch. The pieces of hardware that form the foundation of a network are basically the network switches, routers and infrastructure cabling. A router, like a switch forwards packets based on address. Access the switch module from the host router connect devices to the switch module ports manage the switch module perform express setup troubleshooting. Network devices hub, repeater, bridge, switch, router. Senior network engineer networking, routers, switches ccnp.

An ethernet straightthrough cable may be used between the router and pcb. Difference between router and switch with comparison. Understanding routers, switches, and network hardware rather than start off with a glossary of networking termsand in the process slam you with a technical terms with no easy point of referencelets dive right into looking at network diagrams. Tutorial of differences between hub, bridge, switch and router. Static routers are configured manually and route data packets based on information in a router table. Attach the devices shown in the topology diagram, and cable, as necessary. The osi model specifically consists of seven layers, with each layer representing a specific networking function. Switch and router different with router typically switch works on lower level data link layer while router works in higher level network layer algorithms for router and switch about how to forward packers are different for example, switch will forward broadcast, so does hub, not router the address has to be specific. The cgs 2520 switch, deployed together with the cisco 2010 connected grid router cgr 2010 router, offers utilities a rugged networking solution to enable reliable and secure twoway communication for substation automation. If configuration files were previously saved on the router and switch, initialize and reload these devices back to their basic configurations. Router and switch both are the connecting devices in networking. In addition to the basic building blocks of routers, switches and circuits, network planners must carefully consider how these elements are interconnected to form an overall system with as few single points of failure as possible. It is not necessary that routers support the internet protocol, but this is the most common protocol used.

When building a small business network, you will need one or more routers. Then there is a look at some of the details routing tables, protocols, algorithms, and so on. Similarly, the syntax for entering the traceroute command is. Since these kinds of posts are useful as a reference for many people, i have decided to create also a cisco router commands cheat sheet with the most useful and the most frequently used command line interface cli configuration commands for cisco routers. Network devices hub, repeater, bridge, switch, router and. Routers have a similar task but this time we are going to look at ip packets and as you might recall ip is on the network layer layer 3. Bridges can analyze incoming data packets to determine if the bridge is able to send the given packet to another segment of the network. Switches make decisions based on data link layer information layer 2. A router is used to choose the smallest path for a packet to reach its destination. It describes how to install the switch module in the cisco 2010 connected grid router, and how to configure it.

Routers a router is a device like a switch that routes data packets based on their ip addresses. View and download foundry networks switch and router installation and configuration manual online. Explain how hubs and switches can be connected to create larger networks describe how bridges, routers, and gateways work describe how routing protocols are used for dynamic routing explain the purpose of other networking components such as channel service unitdigital service unit. The routers used with ccna handson labs are cisco 1941 integrated services routers isrs with cisco ios release 15.

Routers layered communication network communication models are generally organized into layers. These networks may be in a single location or across multiple locations. Differences between a network hub, switch, and router. We now use the relation for networks composed of 2state switches. A switch stores the arrived packet, process it to determine its destination address and forwards the packet to a specific destination. These functions are controlled by protocols, which govern endtoend communication between devices. The foundational elements for all enterprise communication are routers and switches.

This example highlights a seamless reaction to a new business trend. Local area network or known as lan switches and others called it active hubs are devices used to. Routers, switches and hubs are different types of network devices, which looks quite similar but differ from each other in functionality as well as in usage. Cisco ios router configuration commands cheat sheet pdf. A network switch physically resembles a network hub. If you are a cisco aspirant, then you must know the exact difference amid routers and switches, as well as the difference between switches and hubs. Describe the function and operation of a hub, a switch and a router describe the function and operation of a firewall and a gateway 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.

1220 755 338 1409 355 788 1407 663 208 880 421 387 925 1011 884 45 1461 823 1011 1408 1554 816 790 1536 1413 759