Welcome to another CCNA lab using Networkcraft – The Online Network Simulator. I’ve been excited to write this lab for some time now because it involves setting up two routers and getting them to talk to each other, which is what networking is all about. In all the previous labs up to this point all
Networkcraft – CCNA Lab 01: Naming Your Router and Setting The Enable Password
I released Networkcraft – The Online Network Simulator a while ago, but never included in labs or tutorials to go with it. Since Cisco routers use a command line interface there is a pretty heavy learning curve if you don’t have experience working with the command line. Networkcraft also uses a command line interface and
10 Things You Must Know About Link-State Routing Protocols
Routing protocols are able to dynamically update and talk to each other about changes that may occur in a network, such as a link going down. The beauty of this is that, if designed properly, redundant links can quickly be found with out the network going down or users even knowing there is an issue.
How To Configure DNS Servers On Your Cisco Router

Another important topic that will show up on both the CCENT Exam and the CCNA Exam is DNS. This post will cover a basic DNS configuration on your Cisco Router.
Your router will need to connect to an external dns server either from your ISP or a public dns server so that you can have internet access. A DNS server will translate a domain name like facebook.com to an ip address like 69.63.189.16. These translations will be cached in your Cisco router. So that when another computer inside of your local network needs to translate facebook.com again it will not have to query the external server, but just use what is in the cache.
How to Set Up a DHCP Server on a Cisco Router
DHCP is an important topic on both the CCENT Exam and the CCNA Exam and not only will you need to know how to point one of your Cisco Routers to a DHCP server, you can actually configure your Cisco Router to act as a DHCP server instead of using some other dedicated server.
Cisco Router Simulator: Change The Hostname For The CCENT Exam
An important command for the CCENT Exam and one of the first things to do when configuring your Cisco router is to change it’s name so that you can easily distinguish it from other routers in your network. You may be wondering how would I get confused about which router I’m configuring? Well, when you are logged in remotely through telnet, or maybe somebody else you’ve asked to configure the router may not be familiar with your setup will be less likely to make a configuration mistake if the routers are configured with unique names.
Cisco Router Simulator: Configuration Modes For The CCENT Exam
I’m still in the process of working on my Cisco Router Simulator to help all those out just starting out and are preparing for their CCENT Exam, but I already have some basic functionality working so that you can start getting your hands dirty.
This tutorial is going to cover all the different modes that Cisco Routers have and then allow you to practice entering and exiting them yourself. Cisco routers have several different modes in order to control access to different parts of the router.
CCENT Study Guide Topics
I currently have over 100 hundred posts on my website to help you get your CCENT and CCNA Certification and I wanted to make it easier for your to find the things you are looking for. Below is a list of topics that you will find on the CCENT Exam with links to their respective posts. Enjoy!
CCENT Exam Cost: Plus How to Register Online
Currently (Sept. 2010) the CCENT Exam is going to cost you $125 USD. If you live in another country other than the United States I’ll show you how you can find out how much it will cost you to take the CCENT Exam in your country’s native currency.
First of all I just want to say that if you think that the CCENT Exam is priced too high or that it isn’t worth getting, it is well worth the investment. Because of the important skills you learn along the way of becoming a CCENT you will become a lot more valuable than other people looking for jobs without it. It also is a great stepping stone toward getting your CCNA. Also just within the first month of getting a job or a pay raise (if you already have an IT job) you will earn more than enough to pay off the original investment of $125 plus study materials.
What you need to know about VLAN Trunks for the CCNA Exam
Understanding how VLAN Trunks work is essential to you passing the CCNA Exam. In this post I’m going to talk about VLAN Encapsulation with 802.1Q, and all the details about the VLAN Trunking Protocol VTP.
Trunks are needed in switching networks with VLANs in order for hosts within different VLANs to still communicate with each other. When you create a VLAN you are supposed to maintain a 1 to 1 ratio with the number of subnets you have. Which means if you have 4 VLANs you should also have 4 subnets. Since each VLAN is in a different subnet they are in different networks and for devices in different networks to communicate with one another a Layer 3 device such as a router is needed. Interfaces on switches by default can only be assigned to one VLAN at a time. So, in order for you to send data about 4 different VLANs configured on a switch to a router you need to configure an interface to be a trunk link. Trunk links are able to send data for many different VLANs at one time. In order to keep them from getting mixed up they tag the switch frame.

Have you been wanting to get your Cisco Certification for some time now?
“I got my CCENT after passing my ICND1 Exam and I am looking at getting my ICND2 out of the way soon. I’m going to pick up your other book and plan to tell others to use your materials. Thanks.” - Travis Applebaum
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