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Ethernet Protocol, CSMA/CD, Collisions
The Novell Proprietary Frame Format
Novell's Proprietary Frame Format was developed based on a preliminary release of the 802.3 specification. After Novell released its proprietary format, the LLC Header was added, making Novell's form…
Network Fundamentals
Introduction to Content Switching - Application &…
Content switches (also sometimes called application switches) is a class of network device that is becoming increasingly common in medium to large sized data centres and web-facing infrastructures…
Linux - Unix
Advanced Linux Commands
Now that you're done learning some of the Basic Linux commands and how to use them to install Linux Software, it's time we showed you some of the other ways to work with Linux. Bear in mind that each…
Palo Alto Networks
Palo Alto Networks Firewall - Web & CLI Initial C…
This article is the second-part of our Palo Alto Networks Firewall technical articles. Our previous article was introduction to Palo Alto Networks Firewall appliances and technical specifications, wh…
Routing
OSPF - Part 3: OSPF Adjacency & Neighbor Forming…
This is the thrid article of our 6-part OSPF series (see below) that describes how OSPF routers perform neighbor relationship and adjacency. We’ll examine how OSPF discovers neighbors by sending Hell…
Windows Workstations (XP, 7, 8, 10, 11)
Revealing & Backing Up Your Windows 8 – Windows 8…
Backing up your Windows License Product Key is essential for reinstallation of your Windows 8 or Windows 8.1 operating system. In some cases, the Genuine Microsoft Label or Certificate Of Authenticit…
Cisco Wireless
Cisco Aironet 1242AG /1240 - Multiple SSID & 80…
This article explains how the Cisco 1240 series access point can be setup to provide support for multiple SSID, each SSID assigned to a separate VLAN. This type of configuration is id…
Cisco Routers
Configuring NAT Overload On A Cisco Router
NAT (Network Address Translation) is a method that allows the translation (modification) of IP addresses while packets/datagrams are traversing the network. NAT Overload, also known as PAT (Port Addr…
Cisco Wireless
Introduction To Cisco Wireless Controllers (WLC)…
The Cisco Wireless Controller (WLC) series devices provide a single solution to configure, manage and support corporate wireless networks, regardless of their size and locations. Cisco WLCs have beco…
Windows Servers
How to Enable ‘Web Server’ Certificate Template O…
In this article we will show you how to enable the ‘Web Server’ certificate template option on a Windows Certification Authority (Windows CA) Server. The Web Server option is usually not presen…
Windows Servers
Windows 2003 DHCP Server Installation & Configura…
DHCP (Dynamic Host Configuration Protocol) is a protocol that allows clients on a network to request network configuration settings from a server running the DHCP server service which, in our case, w…
Cisco Routers
Configuring Cisco Dynamic Multipoint VPN (DMVPN)…
Our DMVPN Introduction article covered the DMVPN concept and deployment designs. We explained how DMVPN combines a number of technologies that give it its flexibility, low administrative overhead and…
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