Passing Cisco’s CCNA and CCNP Exams: Traceroute

Tuesday, May 5th, 2009

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 [...]

Cisco CCNA / CCNP Certification Exam Tutorial: Floating Static Routes

Tuesday, May 5th, 2009

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 [...]

Cisco CCNA / CCNP Exam Tutorial: Five Debugs You Must Know

Tuesday, May 5th, 2009

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 [...]

Cisco CCNP / BSCI Exam Tutorial: Ten IP Routing Details You Must Know!

Tuesday, May 5th, 2009

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 [...]

Cisco CCNP / BSCI Exam Tutorial: Not All Static Routes Are Created Equal

Tuesday, May 5th, 2009

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 [...]

Cisco CCNP / BSCI Exam Tutorial: Leading Zero Compression

Tuesday, May 5th, 2009

The BSCI exam and CCNP certification requires that you be well versed in the basics of IP Version 6, or IPv6. If you're new to IPv6, you'll quickly learn that it's not exactly just two more octets slapped onto an IPv4 address! IPv6 addresses are quite long, but there are two ways to [...]

Cisco CCNP / BSCI Exam Tutorial: Introduction To Policy Routing

Tuesday, May 5th, 2009

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 [...]

Cisco CCNP / BSCI Exam Tutorial: IP Version 6 Zero Compression

Tuesday, May 5th, 2009

BSCI exam success is all part of becoming a CCNP, and part of that success is now learning the basics of IP Version 6, or IPv6. One of the most difficult parts of learning IPv6 concepts is the radically different addressing scheme that IPv6 uses as compared to IPv4. Just look at these sample [...]

Cisco CCNP / BSCI Exam Tutorial: A Guide To Ipv6 Addressing

Tuesday, May 5th, 2009

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 [...]

Cisco CCNP / BSCI Certification: Troubleshooting Route Redistribution, Part I

Tuesday, May 5th, 2009

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 [...]