Identify and correct common network problems

Troubleshooting IP addressing is obviously an important skill because running into trouble
somewhere along the way is pretty much a sure thing, and it’s going to happen to you. No—
I’m not a pessimist; I’m just keeping it real. Because of this nasty fact, it will be great when you
can save the day because you can both figure out (diagnose) the problem and fix it on an IP
network whether you’re at work or at home!

Identify and correct common network problems 

So this is where I’m going to show you the “Cisco way” of troubleshooting IP addressing.
Let’s go over the troubleshooting steps that Cisco uses first. These are pretty simple, but
important nonetheless. Pretend that you’re at a customer host and they’re complaining that
their host cannot communicate to a server, which just happens to be on a remote network.
Here are the four troubleshooting steps that Cisco recommends:

CCNA / CCNP Cisco Certification Exam: Attending A Video Boot Camp

Not every CCNA and CCNP candidate has thousands of dollars to spend on a boot camp.  Learn how to get the same quality training for less money and travel from Chris Bryant, CCIE #12933.

CCNA / CCNP Cisco Certification Exam:  Attending A Video Boot Camp

When you're studying for the CCNA and CCNP exams, you've got a lot of different choices when it comes to training.   One popular choice is choosing one of the many "boot camps" and five-day in-person courses that are out there.  I've taught quite a few of these, and while many of them are good, they do have drawbacks. 

CCNP Certification: How And Why To Build An Etherchannel

Etherchannels are in use all over the world, as well as on your CCNA and CCNP exams.  Learn how to build and support an EC in this tutorial from Chris Bryant, CCIE #12933.

 CCNP Certification: How And Why To Build An Etherchannel

CCNA and CCNP candidates are well-versed in Spanning-Tree Protocol, and one of the great things about STP is that it works well with little or no additional configuration. There is one situation where STP works against us just a bit while it prevents switching loops, and that is the situation where two switches have multiple physical connections.

Introduction To BGP Attributes|Cisco CCNA / CCNP Certification

BGP is one of the most complex topics you’ll tackle in your CCNP studies, but if you break it down to the fundamentals, you’ll pick it up quickly.  Chris Bryant, CCIE #12933, has written this free BGP tutorial on BGP attributes to help you do master BGP and pass the exams!

 Introduction To BGP Attributes|Cisco CCNA / CCNP Certification

 

BGP is one of the most complex topics you'll study when pursuing your CCNP, if not the most complex. I know from personal experience that when I was earning my CCNP, BGP is the topic that gave me the most trouble at first. One thing I keep reminding today's CCNP candidates about, though, is that no Cisco technology is impossible to understand if you just break it down and understand the basics before you start trying to understand the more complex configurations.

Cisco CCNA / CCNP / BCMSN Exam Review: Trunking And Trunking Protocols

You've got to know the details of trunks and trunking protocols to earn your CCNA and CCNP.  Learn these details from Chris Bryant, CCIE #12933.

Cisco CCNA / CCNP / BCMSN Exam Review:  Trunking And Trunking Protocols

To earn your CCNA or CCNP certification, you've got to understand the basics of trunking.  This isn't just a CCNA topic - you must have an advanced understanding of trunking and etherchannels to pass the BCMSN exam and earn your CCNP as well.  Before we address those advanced topics, though, you need to master the fundamentals!

Get Cisco CCNA / CCNP Certification|OSPF E2 vs. E1 Routes

When preparing for CCNA and CCNP success, you’ve got to know the many details of OSPF.   Learn about these two vital OSPF route types and how they differ from each other in this free tutorial from Chris Bryant, CCIE #12933.

Get Cisco CCNA / CCNP Certification|OSPF E2 vs. E1 Routes

OSPF is a major topic on both the CCNA and CCNP exams, and it's also the topic that requires the most attention to detail.  Where dynamic routing protocols such as RIP and IGRP have only one router type, a look at a Cisco routing table shows several different OSPF route types.
R1#show ip route

CCNP Certification Exam |Floating Static Routes on cisco

Cisco CCNA  / CCNP Certification Exam Tutorial:  Floating Static Routes

Knowing when and how to configure floating static routes is an important skill on your Cisco certification exams, as well as working in real-world networks.  Learn all about floating static routes from Chris Bryant, CCIE #12933.

CCNP Certification Exam |Floating Static Routes on cisco