Ip Articles

1). Cisco CCNA Certification Exam Tutorial: Variance And Unequal Cost Load Balancing By : Chris Bryant, CCIE #12933
To pass the CCNA exam, you've got to know how to work with IGRP and EIGRP unequal-cost load balancing. You may not see much IGRP in production networks anymore, but you'll see a lot of EIGRP, and part of fine-tuning your EIGRP network is making sure that all paths are in use while allowing for varying bandwidth rates. Using the variance command is the easy part - it's getting the metric that's the hard part with IGRP.
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2). Cisco CCNA Certification Exam Tutorial: Distance Vector Command Review By : Chris Bryant, CCIE #12933
Part of studying for CCNA exam success is keeping all these new commands straight in your head! And let's face it, there are a lot of commands you need to know in order to pass the CCNA exam and earn that certification. Here's a review of some very important distance vector and static routing commands you need to know, along with their proper usage and console output.
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3). TerraSip mobile VoIP community lowers the price for Starphone before the CEBIT By : Susi
Calls to all destinations worldwide for free via internet – without computer While the flagship of the TerraSip VoIP product palette, the Starphone, previously went over the virtual store counter for 89 Euro, it is now available for a thrifty 59 Euro, beginning immediately. With this, TerraSip is reacting to an increased demand. "The Starphone is so interesting because it offers a diversity of functions like no other comparable product on the market and provides comfortable internet telephony without requiring a computer or software.
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4). Intellectual Property - Engaging with China By : Paul Ward
China is well entrenched in the global marketplace, but with Chinese piracy reported at 90 percent, it's the third least friendly country for protecting intellectual property (IP). China's accession into the World Trade Organization started four years ago. With this commitment to regulatory and economic restructuring, China has indeed been a country of economic opportunity for multinational corporations.
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5). Cisco CCNA / CCNP Exam Tutorial: Five Debugs You Must Know By : Chris Bryant, CCIE #12933
To pass the BSCI exam and move one step closer to CCNP certification success, you've got to know how and when to use debug commands to troubleshoot and verify network operations. While you should never practice debug commands on a production network, it's important to get some hands-on experience with them and not rely on "router simulators" and books to learn about them.
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6). Cisco CCNP / BSCI Exam Tutorial: Not All Static Routes Are Created Equal By : Chris Bryant, CCIE #12933
As a CCNP candidate, as a CCNA, and in getting ready to pass the BSCI exam, you may be tempted to breeze through your static route studies, or even skip them! That's because static routes are easy enough to configure, and as long as you remember the syntax of the ip route command, you're in good shape. But there's one vital detail regarding static routes that many exam candidates miss.
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7). Cisco CCNP / BSCI Certification: Troubleshooting Route Redistribution, Part I By : Chris Bryant, CCIE #12933
If there's one CCNP / BSCI topic that looks so easy but can lead to a real headache, it's route redistribution. I'm not even talking about the routing loops and suboptimal routing that can result when route redistribution is done without proper planning - I'm talking about the basic commands themselves. Leaving out one single command option, or forgetting what else needs to be redistributed when redistributing dynamically discovered routes, can leave you with a routing table that looks complete but does not result in full IP connectivity.
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8). Cisco CCNA / CCNP Certification: Deciphering Ping Results By : Chris Bryant
To become a CCNA and CCNP, you’ve got to know how to analyze and troubleshoot network problems, and it all starts with ping. Learn how to analyze ping results from Chris Bryant, CCIE #12933.
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9). Voice Over Ip – What Is It And What Are The Choices? By : Steve Armstrong
Voice over Internet Protocol. First was the telephone. Alexander Graham Bell had a vision. He saw people communicating over long distances with their own voice, not trough beeps and squeaks. Then came the Internet. A few students and the US military had a vision, somewhat similar to Bell’s. They saw people communicating over long distances, but this time in writing.
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10). There’s no mystery in the IP address! By : Gamit Ana
The Computer is a very complicated device we use for our every day comfort and the importance of some of its numerical aspects is sometimes neglected. For example: a different number is given to each computer when its user goes online or when it is part of a network. This number is the IP address and knowing about it is like knowing where you live… What’s my IP and what do its numbers stand for? IP stands for Internet Protocol and the address is formed from 4 numbers separated by periods.
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11). Cisco CCNP / BSCI Exam Tutorial: Introduction To Policy Routing By : Chris Bryant, CCIE #12933
Policy routing is a major topic on your BSCI exam, and you'll find quite a bit of policy routing going on in today's production networks. But what exactly is policy routing? Policy-based routing, generally referred to as "policy routing", is the use of route maps to determine the path a packet will take to get to its final destination. As you progress.
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12). IP Briefing Note - Intellectual Property Law & Copyright By : pete arkwright
Copyright is a key area of intellectual property law - it grants a right to prevent others from doing what the copyright owner has the exclusive right to do. IP is intangible property - that is to say that it is not physical property that can be touched. Intellectual property is a legal expression to cover such areas as copyright, design right, patents, trade marks, service marks goodwill and registered designs and is an area of ever-increasing importance to businesses of all sizes.
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13). How the Internet actually works By : Chris Graham
To most people, the Internet is the place to which everyone plugs in their computer and views webpages and sends e-mail. That's a very human-centric viewpoint, but if we're to truly understand the Internet, we need to be more exact: The Internet is THE large global computer network that people connect to by-default, by virtue of the fact that it's the largest.
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14). Cisco CCNA / CCNP Certification Exam Tutorial: Floating Static Routes By : Chris Bryant, CCIE #12933
To pass the Cisco CCNA and CCNP certification exams, as well as becoming a world-class networker, you've got to know how and when to use floating static routes. And if you're wondering what makes them "float" -- read on! In this example, R1 and R2 are running OSPF over a Frame Relay network, 172.12.123.0 /24. They're also connected by a BRI ISDN link, 172.
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15). Cisco CCNP / BSCI Exam Tutorial: Ten IP Routing Details You Must Know! By : Chris Bryant, CCIE #12933
To pass the BSCI exam and earn your CCNP, you've got to keep a lot of details in mind. It's easy to overlook the "simpler" protocols and services such as static routing and distance vector protocols. With this in mind, here's a quick review of some details you should know for success in the exam room and real-world networks! When packets need to be routed, the routing table is parsed for the longest prefix match if multiple paths exist with the same prefix length, the route with the lowest AD is preferred.
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16). Cisco CCNA Exam Tutorial: Split Horizon And Hub-And-Spoke Networks By : Chris Bryant, CCIE #12933
For CCNA exam success, you had better know what split horizon is, how to turn it off, and when to turn it off. Knowing when to turn split horizon off is also important in production networks, because it can cause a hub-and-spoke network to have incomplete routing tables on the spokes. Split horizon exists for a very good reason - routing loop prevention.
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17). Cisco CCNP Certification / BSCI Exam Tutorial: Floating Static Routes By : Chris Bryant, CCIE #12933
Passing the BSCI exam and earning your CCNP certification demands that you add greatly to the networking skills foundation you created when you studied for your CCNA certification. You learned quite a bit about static routing and default static routing when you passed the CCNA test, and it does seem like that should be all you need to know about static.
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18). Cisco CCNP / BCSI Exam Tutorial: Broadcasts And The IP Helper-Address Command By : Chris Bryant, CCIE #12933
While routers accept and generate broadcasts, they do not forward them. This can be quite a problem when a broadcast needs to get to a device such as a DHCP or TFTP server that's on one side of a router with other subnets on the other side. If a PC attempts to locate a DNS server with a broadcast, the broadcast will be stopped by the router and will never get to the DNS server.
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19). Cisco CCNP / BSCI Exam Tutorial: A Guide To Ipv6 Addressing By : Chris Bryant, CCIE #12933
Learning IPv6 is paramount in your efforts to pass the BSCI exam and go on to earn your CCNP, and it's going to help in your real-world networking career as well. IPv6 can be confusing at first, but it's like anything else in Cisco or networking as a whole - learn one part at a time, master the fundamentals, and you're on your way to success. In today's article we're going to take a look at IPv6 address types.
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20). Passing Cisco’s CCNA and CCNP Exams: Traceroute By : Chris Bryant, CCIE #12933
In preparation for your CCNA and CCNP exam success, you've got to learn to troubleshoot Cisco routers. And while ping is a great basic IP connectivity tool, it doesn't give you all the information you need to diagnose network connectivity issues. Let's say you have six routers between CityA and CityB. You send a ping from A to B, and get this return: R1#ping 172.
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21). Cisco CCNA Certification Exam Tutorial: DNS And The IP Name-Server Command By : Chris Bryant, CCIE #12933
DNS behaviors of a Cisco router are important topics for both the CCNA exam and real-world production networks, and you probably didn't know there were so many DNS details before you began studying for the exam! In this tutorial, we'll look at the ip name-server command and its proper usage. When a command is mistyped on a Cisco router, the default behavior of the router is to attempt to resolve it via DNS.
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22). Network+ Certification Exam Tutorial: DHCP And RARP By : Chris Bryant, CCIE #12933
Part of passing the Network+ exam is mastering the many different protocols and services you're introduced to in your studies, and that's especially hard when two protocols do much the same thing! That's the case with RARP and DHCP, so let's take a close look at these two protocols and why we use them in the first place. Whether you've been around networks for a while or are just getting started with your IT career, you'll quickly notice that many basic tasks in networking can be handled either statically or dynamically.
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23). Cisco CCNA Certification Exam Tutorial: The OSPF RID By : Chris Bryant, CCIE #12933
OSPF is a major topic on your CCNA exam, as well it should be. OSPF is a widely-used WAN protocol, and you need to learn the fundamentals before moving on to more complicated configurations. One such detail is the OSPF Router ID, or RID. The RID is the dotted decimal value by which other OSPF routers will identify a given OSPF router. There are some interesting defaults for this value, and a command you should know to hardcode the RID.
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24). CMS Telecom Introduces Hosted Service By : CMS Telecom
Wayne, New Jersey – CMS Telecom has rolled out its Hosted Phone Service. Internet Protocol Communications has made it possible to eliminate the need for “on-premise” telephone equipment. Capital expenditures are minimal and expenses for phone calls are drastically reduced – up to 50% in many cases. All that is needed are phones, a router and high speed internet access.
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25). CMS Telecom has rolled out its Hosted Phone Service. By : CMS Telecom
Internet Protocol Communications has made it possible to eliminate the need for “on-premise” telephone equipment. Capital expenditures are minimal and expenses for phone calls are drastically reduced – up to 50% in many cases. All that is needed are phones, a router and high speed internet access. This service also features Flat-fee Pricing for domestic unlimited usage.
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