Networking For Dummies, 11th Edition (For Dummies (Computer/Tech))

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Spanning Tree Protocol (STP) enables you to create redundant loops on your Cisco network for fault tolerance, and prevents inadvertent loops that may be created on your network from bringing the network to its knees. A computer with a Gigabit network card talking to a computer with a 100Mbit/s network card is restricted to 100Mbit/s. This usually involves pressing a button on the wi_fi router and a corresponding WPS connection button on the Device.

Wired networks use Ethernet over UTP cable and tend to be faster than wireless networks, which is an important consideration if you are a gamer. The simple wired home network diagram below shows a minimum setup with a switch and broadband router. There are many different ways network nodes can be connected together. This isn’t normally a consideration in small networks but has networks get larger it becomes more important. Enhanced Interior Gateway Routing Protocol (EIGRP) is the updated version of IGRP. The following code will enable EIGRP using an autonomous-system (AS) number of 100, distribute two networks and disables auto summary. Router2> enable Commonly known as wi-fi network and used to distribute the Internet to multiple devices at home, shop, or office. Access point The image below shows a typical network with four computers. You can see that all four computers are connected by a network cable to a central network device (in this case, a home router). This component, common in small networks, actually consists of three distinct but related network devices:However if you do require devices on the Internet to connect into your network (often required by gamers) then you can configure port forwarding. The roll out of IPv6 across the Internet is happening slowly, and IPv4 will be with us for many years to come especially in home and small office networks. Router1(config-if)# ip nat inside Securing your Cisco network by configuring an access control list (ACL)

In this tutorial you will learn how you to build and setup a home or small business wireless and wired network, and connect it to the Internet. Computer networks can be classified based on different attributes such as physical size, mode of connection, types of devices, etc. For an easy introduction, let’s look at its classification in terms of physical size. You will often hear the following.

Securing your Cisco network by configuring NAT

So if the internet goes down there is no connection from your mobile to the smart switch unless the switch allows local access and that depends on the switch itself. WAN: The second TLA you’re like to encounter is WAN. The WAN is part of the network that connects to the Internet. WAN stands for wide area network. (Okay, fine. Technically, WAN is the third TLA. The first TLA was LAN, and the second TLA was TLA. So that makes WAN the third TLA.)

On the network: Every computer connected to the network is said to be “on the network.” The technical term (which you can forget) for a computer that’s on the network is a Another term that’s commonly used to mean the same thing is endpoint . It depends on the printer.Older Printers are normally connected to computers and they can then be shared on the network. Routing Information Protocol (RIP) is widely used, with version 2 allowing you to use Variable Length Subnet Masks (VLSM) across your network. The following code will enable routing, enable RIP, set RIP to version 2, disable route summarization, defines the distributed network from this router as 192.168.5.0/24, and rather than broadcasting routes, it will send RIP data directly to 192.168.1.1. Router2> enable

Managing open shortest path first for Cisco networking

Early Ethernet networks used a bus structure, modern Ethernet networks and Wi-Fi Networks. use a star bus (hybrid) structure. Generally there is no configuration required as the default behaviour is only to allow connections from the local network to the Internet, and not from the Internet to the home network. In my experience most problems are easily diagnosed, and fixed with a little patience and perseverance. VLAN is a method of logically separating a LAN and making it look like different networks in one. Physically its one network, but logically they are different networks. This is done by a switch (only when configured to do so). WI-FI

Ethernet and Wi-Fi are Data link protocols that are responsible for framing data on the media (cable or wireless). How the nodes on a network communicate with each other can be very different to how they are physically interconnected. Your network design may end up with a total of five 48-port access switches, providing a total of 240 1 Gb ports to support the 100 users. Ethernet to the cabling and ports system involved in networking. The network cables are referred to as Ethernet cables, and they are used to connect a computer to all other networking devices or for a computer to computer connection. The most common of which is the RJ45 connector. Don’t be afraid to use EtherChannel on your Cisco network. EtherChannel allows you to take up to eight network ports on your switch and treat them as a single larger link. This can be used to connect servers with multiple network cards that are bonded (or teamed) to a switch, or to connect multiple switches together. There are two main negotiation protocols, Port Aggregation Protocol (PAgP) which is a proprietary Cisco protocol and Link Aggregation Control Protocol (LACP) which is an open standards protocol.A router acts a dispatcher. It analyzes data being sent across a network, chooses the best route for data to travel, and sends it on its way. The networking of a home or a small building is known as a SOHO LAN (Meaning Small Home Office Local Area Network). In this type of networking, there are usually few computers and other network devices, e.g., switches and routers involved (details about the devices are explained below). For example, if your company has 100 employees, and you have wired two Cat-5e cables to each user’s desk, you’ll need at least 200 1 Gb switch ports to support these users. You’ll also need a few extra ports for things like printers and Wi-Fi access points. The solution to this issue came in the form of - Classless Inter-Domain Routing (CIDR) and Variable Length Subnet Masking (VLSM). Both of which are key to modern day subnetting. Classless Inter-Domain Routing (CIDR) Note a new technology that uses mains cable overcomes many of these disadvantages. powerline networking is common on home/small office networks