Network Address Translation (NAT) configuration on a Cisco router, from start to finish.

8 years ago

NAT is a feature that allows internet access for users who are connected using private addresses. Because IP version 4…

How to determine the source IP address of an email and use it to trace the sender’s location.

8 years ago

With email scams on the increase even as email service providers are constantly re-engineering their anti-spam algorithm to identify and…

Wireless connectivity: top three 5Ghz radios for long distance connections

8 years ago

Wireless is the new darling of the industry and understandably so, everyone is jumping at it. For a successful deployment…

Cisco CCNA: Implementing EIGRP with VLSM and manual summarization. See all eigrp show commands and their functions.

8 years ago

The enhanced interior gateway routing protocol is no doubt one of the best routing protocols that you can configure on…

Cisco CCNA: Powering on Cisco routers. Boot process explained, from start to finish.

8 years ago

It is very easy for one to know how to use a Cisco router without knowing the various stages involved…

Cisco CCNA: GNS3 initial setup process, from start to finish.

8 years ago

While the Cisco Packet Racer is unarguably one of the best applications ever developed to aid young network enthusiasts learn…

Mikrotik wireless: What to do when you have zero upload with good download on a wireless link

8 years ago

Wireless connectivity is fast becoming the ideal way of connecting multiple sites within a city together. Reasons being that it…

Cisco CCNA route summarization: how to generate a summary address and mask for efficient route advertisement

8 years ago

In Cisco CCNA, summarization is one of the topics many students wish to skip because they find it difficult to…

Cisco CCNA: variable length subnet mask, from start to finish.

8 years ago

Building an efficient network involves design, implementation and optimization. These three are merged together and called network engineering. Just like…

Cisco CCNA: subnetting class A addresses, from start to finish.

8 years ago

Having treated how to subnet class B and Class C addresses, I did mention that class A was next in line.…