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Supernetting & CIDR
This articles build upon our previous pages covering  what is Supernetting (Route Summarization) & How Supernets Work and Supernetting In-Depth Analysis - Learn to Identify and Create Supern…
Domain Name System (DNS)
If you ever wondered where DNS came from, this is your chance to find out ! The quick summary on DNS's history will also help you understand why DNS servers are run mostly on Linux and Unix-type syst…
Windows Workstations (XP, 7, 8, 10, 11)
Not many users are aware that Windows 7 provides more than one way to configure a workstation’s network adaptor IP address or force it to obtain an IP address from a DHCP server. While the most popul…
Windows Workstations (XP, 7, 8, 10, 11)
Not many people are aware that Windows 7 has built-in capabilities that allow it to be transformed into a perfectly working access point so that wireless clients such as laptops, smartphones and othe…
Ethernet Protocol, CSMA/CD, Collisions
The IEEE 802.3 specification states that before a station can attempt to transmit on the wire, it must first wait until it has heard 9.6 microseconds of silence. Many popular myths have arisen surrou…
Subnetting
Routing and Communication between subnets is the main topic here. This article analyses communications between subnets. We provide examples on different methods that can be used to enable subnet comm…
Virtualization & VM Backup
Backup and Disaster recovery are core considerations for any business with an IT footprint, whether that is on-premises or in the cloud. Your business depends on reliable IT systems to support the b…
SASE & SD-WAN Networks
With so much enterprise network traffic now destined for the cloud, backhauling traffic across an expensive MPLS connection to a data center to apply security policy no longer makes sense. Software-d…
Cisco Switches
This article covers basic and advanced configuration of Cisco Catalyst Layer-3 switches such as the Cisco Catalyst 3560G, 3560E, 3560-X, 3750, 3750E, 3750-X, 3850, 4500, 6500 , 9300, 9400 series, and…
VLAN Networks
We hear about them everywhere, vendors around the world are constantly trying to push them into every type of network and as a result, the Local Area Network (LAN) we once knew starts to take a diffe…
Cisco Wireless
Resetting a Cisco Aironet access point can be required if you’ve lost your password or need to wipe out the configuration of a previously configured access point. Cisco provides two main methods to p…
Cisco Switches
Running Spanning Tree Protocol (STP) in a large network environment can be a challenging task especially when features/enhancements such as BPDU Filter and BPDU Guard need to be configured to help ST…

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