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Network Cabling
1Gigabit 802.3ab -10GBase (10Gigabit) 802.3an Eth…
The 1000Base Ethernet standard, also referred to as Gigabit Ethernet (GbE or 1GigE) is defined by the IEEE 802.3-2008 standard and provides 10 times faster transfer speeds of 100Base Ethernet. Gigabi…
Cisco Switches
Discover Features & Capabilities - Cisco Catalyst…
There’s a new switch around the block and its name is Catalyst 3850 – Cisco’s latest addition to its successful Catalyst series switches. The Cisco Catalyst 3850 is no ordinary switch – it’s fully st…
Cisco Services & Technologies
The Cisco Smart Care Service & Appliance
Cisco, as most IT engineers know, covers a wide range of products and services. These range from routers to switches, firewalls, intrusion prevention systems (ips), intrusion detection systems (ids)…
Cisco Routers
Introduction To Routers
Welcome to the Routers section. Here we will analyse routers quite some depth; what they do and how they work. We must point out that knowlege on the OSI model is recommended, plus understanding of h…
Cisco Data Center (Nexus/UCS)
NEXUS NX-OS: Useful Commands, CLI Scripting, Hint…
Whether you’re new to Cisco Nexus switches or have been working with them for years this article will show how to get around the Nexus NX-OS using smart CLI commands and parameters, create your…
SASE & SD-WAN Networks
SASE and VPNs: Reconsidering your Mobile Remote A…
The Virtual Private Network (VPN) has become the go to security solution for keeping communications between networks and endpoints secure. After all, VPNs offer a straightforward, secure method for c…
Network Fundamentals
LAN Network Topologies
Network topologies can take a bit of time to understand when you're all new to this kind of cool stuff, but it's very important to fully understand them as they are key elements to understanding and…
Ethernet Protocol, CSMA/CD, Collisions
Propagation Delay
You may know that the minimum frame size in an Ethernet network is 64 bytes or 512 bits, including the 32 bit CRC. You may also know that the maximum length of an Ethernet cable segment is 500 meters…
Cisco Switches
VLAN Security Tips - Best Practices
This article focuses on VLAN Security and its implementation within the business network environment. We provide tips and Cisco CLI commands that will help you upgrade your VLAN network security.
Ev…
The OSI Model
The OSI Model: Layer 7 - Application Layer
The Application layer of the OSI model is where users communicate with the computer. The Application layer is responsible for identifying and establishing the availability of the intended communicati…
Subnetting
IP Subnet Calculator
This free online Subnet Calculator provides a fast and easy way to calculate all aspects of any IP Address and Subnet Mask. Simply enter your desired IP Address and Subnet Mask below and press Calc…
Windows Servers
How to Install and Configure Windows 2012 DNS Ser…
Our previous article covered introduction to the Domain Name System (DNS) and explained the importance of the DNS Server role within the network infrastructure, especially when Active Directory is in…
Wi-Fi Key Generator
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