Cisco CCNP / BCMSN Exam Tutorial: Configuring CGMP On Routers & Switches
If a Layer Two switch doesn’t have the capabilities to run IGMP Snooping, it will be able to run CGMP – Cisco Group Membership Protocol. CGMP allows the multicast router to work with the Layer Two...
Cisco CCNP / BCMSN Exam Tutorial: Changing The Active Router In HSRP
To pass the BCMSN exam and earn your CCNP certification, you’ve got to know HSRP inside and out. While the operation and basic commands of HSRP are pretty simple, there are some important details that are easily...
Cisco CCNP / BCMSN Exam Tutorial: BPDU Skew Detection
You may look at that feature’s name and think, “What is a BPDU Skew, and why do I want to detect it?” What we’re actually attempting to detect are BPDUs that aren’t being relayed as quickly as they...
Cisco CCNP / BSCI Exam Tutorial: 10 ISIS Details You Must Know!
Earning your CCNP certification and passing the BSCI exam depends on knowing the details of many Cisco technologies, ISIS chief among them. To help you prepare for exam success, here’s a list of ISIS terminology and...
Cisco CCNA Exam Tutorial And Case Study: VLANs and IP Connectivity
In this CCNA case study, we’ll take some basic switching and trunking theory and put it into action. We have two routers (R2 and R3) along with two switches (SW1 and SW2). R2 is connected to SW1 at fast 0/2, and R3...
Cisco CCNA Exam Tutorial: Using Trivial File Transfer Protocol (TFTP)
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...
Cisco CCNA Exam Tutorial: Troubleshooting Directly Connected Serial Interfaces
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...
Cisco CCNA Exam Tutorial: The Best Time To Schedule Your Exam
In preparing for CCNA exam success, one of the basic steps is to schedule your exam! And when should you do that?
Schedule your exam NOW.
I can hear you now — ” Why should I schedule my exam now? I...
Cisco CCNA Exam Tutorial: Split Horizon And Hub-And-Spoke Networks
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...
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...
It might happen on your CCNA exam, it might happen on your production network – but sooner or later, you’re going to have to perform password recovery on a Cisco router or switch. This involves manipulating the router’s configuration register, and that is enough to make some...
Cisco CCNA Exam Tutorial: Mapping The OSI Model To The TCPIP Model
The OSI model is the model that most networking personnel are familiar with, but to earn your CCNA, you need to know the OSI model, the TCP/IP model, and how the two map to each other.
The four layers of the TCP/IP...