- 1). Cisco CCNP Certification / BCMSN Exam Tutorial: Writing QoS Policy By : Chris Bryant, CCIE #12933
QoS - Quality of Service - is a huge topic on both the BCMSN exam and real-world networks. QoS is so big today that Cisco's created separate specialist certifications that cover nothing but QoS! It can be an overwhelming topic at first, but master the fundamentals and you're on your way to exam and job success.
If you work with QoS at any level - and sooner or later, you will - you've got to know how to write and apply QoS policies.
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- 2). Cisco CCNP / BCSI Exam Tutorial: Configuring EIGRP Packet Authentication By : Chris Bryant, CCIE #12933
Configuring RIPv2 and EIGRP authentication with key chains can be tricky at first, and the syntax isn't exactly easy to remember. But for BSCI and CCNP exam success, we've got to be able to perform this task.
In a previous tutorial, we saw how to configure RIPv2 packet authentication, with both clear-text and MD5 authentication schemes. EIGRP authentication is much the same, and has the text and MD5 authentication options as well.
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- 3). Cisco CCNP / BSCI Certification: Introduction To ISIS Terminology By : Chris Bryant, CCIE #12933
When you're studying to pass the BSCI exam and earn your CCNP certification, you're going to be introduced to ISIS. ISIS and OSPF are both link-state protocols, but ISIS works quite differently from OSPF. You must master these details in order to earn your CCNP.
One of the major differences between OSPF and ISIS will be evident to you when you first begin your BSCI exam studies, and that is the terminology.
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- 4). What To Expect When Taking Your First Cisco Certification Exam By : Chris Bryant, CCIE #12933
Cisco Certification: Taking Your First Certification Exam
You’ve studied hard you’ve practiced your configurations you’ve used your flash cards over and over again and finally, the big day is here. Your first certification exam!
For many Cisco certification candidates, their first exam is the CCNA Composite exam or one of the two exams that make up the CCNA, the Introduction To Networking exam or the ICND (Interconnecting Cisco Networking Devices) exam.
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- 5). Cisco CCNA / CCNP Home Lab: Why You Need An ISDN Simulator By : Chris Bryant, CCIE #12933
ISDN is a vital topic for today's CCNA and CCNP candidates, especially for the ICND and Intro exams - you've got to know ISDN inside and out to pass those exams. Naturally you want to include it in your home lab. What many candidates don't realize is that you can't connect two Cisco routers directly via their Basic Rate Interface (BRI) interfaces you've got to have another device between them called an ISDN simulator.
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- 7). 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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- 8). Webroot Window Washer By : Ben Sikes
For anyone concerned about what is left on their PC after using the Internet, Webroot Window Washer can set the mind at ease.
Window Washer wipes away all traces of past PC use. It not only removes Internet history, but also previously deleted files that may still have a presence on the hard disk. A quick cycle of Window Washer can:
• clear Internet.
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- 9). Cisco CCNA / CCNP Home Lab Tutorial: Using 2520 Routers By : Chris Bryant, CCIE #12933
I know from experience that part of the excitement and anxiety of putting together your own CCNA / CCNP home lab is deciding what to buy! While you can make a workable home lab out of almost any combination of Cisco routers and switches, some routers are better suited for home lab work than others because they can fill multiple roles.
My personal favorite is the Cisco 2520.
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- 10). CCNA / CCNP Home Lab Tutorial: The VLAN.DAT File By : Chris Bryant, CCIE #12933
CCNA and CCNP candidates who have their own Cisco home labs often email me about an odd situation that occurs when they erase a switch's configuration. Their startup configuration is gone, as they expect, but the VLAN and VTP information is still there!
Sounds strange, doesn't it? Let's look at an example. On SW1, we run show vlan brief and see in.
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- 11). Cisco CCNP / BCMSN Exam Tutorial: Changing Root Bridge Election Results By : Chris Bryant, CCIE #12933
Your BCMSN and CCNP studies will include mastering the details of Spanning Tree Protocol (STP). While you learned some of these details in your CCNA studies, quite a bit of it may be new to you. Before going on to the intermediate and advanced STP features, let's review the root bridge election process and learn how to change these results.
Each switch will have a Bridge ID Priority value, more commonly referred to as a BID.
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- 12). CCNP Certification / BCMSN Exam Tutorial: HSRP MAC Addresses And Timers By : Chris Bryant, CCIE #12933
To earn your CCNP certification and pass the BCMSN exam, you've got to know what HSRP does and the many configurable options. While the operation of HSRP is quite simple (and covered in a previous tutorial), you also need to know how HSRP arrives at the MAC address for the virtual router - as well as how to configure a new MAC for this virtual router.
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- 13). Cisco CCNP / BCMSN Exam Tutorial: Switches, QoS, And Cisco's Networking Model By : Chris Bryant, CCIE #12933
QoS is a big topic on your BCMSN and CCNP exams, and for good reason. As more and more traffic flows through today's networks, accurately applying QoS to both your routers and switches becomes more important.
Note the phrase "accurately applying". You must have a plan in place before you start configuring QoS on your switches, and to create such a plan you should use Cisco's Three-layer Hierarchical Model.
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- 14). Cisco CCNA Exam Tutorial: Troubleshooting Directly Connected Serial Interfaces By : Chris Bryant, CCIE #12933
CCNA exam success depends largely on noticing the details, and this is especially true of configurations involving directly connected serial interfaces. And of course, it's not enough to notice these details - you've got to know what to do about them!
A Cisco router is a DTE by default, but directly connecting two DTEs with a DCE/DTE cable is not enough.
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- 15). How To Earn Cisco’s Firewall Specialist Certification By : Chris Bryant, CCIE #12933
Security is a hot topic in today's networks, and will continue to be for a long time to come. With that in mind, you must consider adding a Cisco security certification to your resume and firewall skills to your skill set.
It's quite a jump from the CCNA to the CCSP (Cisco Certified Security Professional), and Cisco has made that leap more manageable by adding Specialist certifications.
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- 16). Cisco CCNA Exam Tutorial: Using Trivial File Transfer Protocol (TFTP) By : Chris Bryant, CCIE #12933
One of the first things you do when you start studying for the CCNA exam is memorizing a list of port numbers and the protocols that run on those ports. If you're an experienced networker, you know most of the protocols that are mentioned - DNS, DHCP, FTP, SMTP, and so on. But there's one protocol that you might not have experience with, but is actually vital for CCNA exam success and success in working with Cisco routers and switches, and that's TFTP - Trivial File Transfer Protocol.
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- 17). Passing The CCNA and CCNP: Three Myths About Cisco Exams By : Chris Bryant, CCIE #12933
One of the drawbacks to the Internet is that it allows myths and "friend of a friend" stories to spread quickly, and usually the story becomes more exaggerated as it's passed along. Cisco exams are no exception. Here are three often-repeated myths and exaggerations regarding the CCNA and CCNP exams.
1. The survey you fill out before the exam determines the questions you'll get.
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- 18). Cisco CCNA / CCNP Home Lab Tutorial: Configuring An Access Server By : Chris Bryant, CCIE #12933
As your CCNA / CCNP home lab expands, an access server such as the Cisco 2509 or 2511 is one of the best investments you can make. In this article, we'll look at the basic configuration for an access server and discuss how to connect to the other routers and switches in your pod through the AS.
Here's part of a configuration from one of my access servers:
ip host FRS 2006 100.
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- 19). CCNA Certification Exam Tutorial: Cisco Switching Modes By : Chris Bryant, CCIE #12933
To pass the CCNA exam and earn this important certification, you’ve got to know switching inside and out. While you’re learning all the basic switching theory, make sure to spend some time with the one of three switching modes Cisco routers can use.
Store-and-Forward is exactly what it sounds like. The entire frame will be stored before it is forwarded.
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- 20). Cisco CCNP / BSCI Exam Tutorial: OSPF Route Redistribution Review By : Chris Bryant, CCIE #12933
OSPF route redistribution is an important topic on the BSCI exam, and it's a topic full of details and defaults that you need to know for the exam room and the job. To help you pass the BSCI exam, here's a quick review of some of the OSPF route redistribution basics.
To see if a router is an ABR or ASBR, run show ip ospf. This also displays any routes being redistributed into OSPF on this router.
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- 21). Cisco CCNP Certification / BSCI Exam Tutorial: ISIS Hellos And Adjacencies By : Chris Bryant, CCIE #12933
In my last ISIS tutorial, I mentioned that while ISIS and OSPF are both link state protocols, their actual operation differs greatly. To pass the BSCI exam and earn your CCNP, you'll need to know these differences! Today, we'll take a look at ISIS Hello types and the adjacency types that form through the use of these Hellos.
Hello packets have been mentioned several times with ISIS, and with good reason.
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- 22). Cisco CCNA Certification Exam Tutorial: Access List Details You Must Know! By : Chris Bryant, CCIE #12933
To pass the CCNA exam, you have to be able to write and troubleshoot access lists. As you climb the ladder toward the CCNP and CCIE, you'll see more and more uses for ACLs. Therefore, you had better know the basics!
The use of "host" and "any" confuses some newcomers to ACLs, so let's take a look at that first.
It is acceptable to configure a wildcard mask of all ones or all zeroes.
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- 23). Cisco CCNA Exam Tutorial: Route Summarization By : Chris Bryant, CCIE #12933
Preparing to pass the CCNA exam and earn this important Cisco certification? Route summarization is just one of the many skills you'll have to master in order to earn your CCNA. Whether it's RIP version 2, OSPF, or EIGRP, the CCNA exam will demand that you can flawlessly configure route summarization.
Route summarization isn't just important for the CCNA exam.
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- 24). 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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- 25). CCNP / BSCI Exam Tutorial: Route Summarization And The OSPF Null Interface By : Chris Bryant, CCIE #12933
CCNP exam success, particularly on the BSCI exam, demands you understand the details of route summarization. This skill not only requires that you have a comfort level with binary conversions, but you have to know how and where to apply route summarization with each individual protocol.
You also have to know the "side effects" of route summarization.
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