Cisco CCNA: variable length subnet mask, from start to finish.
Building an efficient network involves design, implementation and optimization. These three are merged together and called network engineering. Just like the foundation … Read more
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Cisco CCNA: subnetting class A addresses, from start to finish.
Having treated how to subnet class B and Class C addresses, I did mention that class A was next in line. Starting from … Read more
Cisco CCNA: subnetting class B addresses, from start to finish.
In my previous post, I shared how we can subnet a class C address with an example. In this post, I will … Read more
Cisco CCNA: Subnetting class C address made easy, from start to finish.
Statistics have shown that apart from access control list and OSPF, the major area that CCNA students encounter challenges while studying for … Read more
VTP implementation on Cisco routers
This video was put together by me to demonstrate how you can configure VLAN and use VTP to replicate the VLANs across … Read more
How to configure load balancing between two ISP connections using route-maps on Cisco routers.
Assuming you have a dual ISP connection to the internet, the best thing may not be automatic fail-over. Instead of having one … Read more
How to answer Cisco CCNA exam questions
As a Cisco certified professional with years of industry-proven experience both as an instructor and a practicing engineer with a leading internet … Read more
Everything you need to make Cisco Configuration Professional work!
Given the challenges aspiring network security engineers face trying to set up and use the Cisco Configuration Professional (CCP), I have decided … Read more
Configure SSH on a Cisco router in less than 30 seconds!
Secure shell popularly known as SSH is a TCP application on port 22 that is used to access a router through the … Read more
How to delete vlans on a Cisco switch
Creating vlans on cisco switches is one the most common tasks network engineers do. Vlans are so important that we can hardly … Read more
Configuring EIGRP with manual route summarization on a Cisco router
In this demonstration, I will share with us on how to implement eigrp with manual route summarization on a Cisco router. Before … Read more
How to configure bgp on a Cisco router with dual ISP connections
The Border Gateway Protocol is used to share routing information between internet routers in different autonomous systems (AS) for ebgp or between … Read more
How to bridge two or more network ports on Cisco routers
The objective of this lab is to bridge the two interfaces on the router and have the two connected PCs on the … Read more
How to configure Port security on a Cisco catalyst switch.
The importance of port security can never be over emphasized. Most of the time, network security is concerned with efforts aimed at … Read more