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Network Cabling
Unshielded Twisted Pair (UTP) cable is most certainly by far the most popular cable around the world. UTP cable is used not only for networking but a…
Ethernet Protocol, CSMA/CD, Collisions
In this example, we will refer to an imaginary Ethernet network consisting of Stations A and B and any number of other stations. The status of the ne…
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…
Network Cabling
This article covers the commonly known Unshielded Twisted Pair (UTP) cable and shows how many pairs the UTP Cat5, Cat5e, Cat6 & Cat7 cables consi…

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Netflow Articles:

In this article, we explore the core principles of bandwidth management and examine how modern network monitoring technologies can assist in maintain…
In our previous article we explained how a Netflow Analyzer can help you gain visibility into your user traffic, application traffic and data flows w…
Monitoring network traffic & bandwidth usage via Netflow is mandatory for any type and size network. Gaining visibility into user traffic, applic…
This article will cover the basics of Netflow, including its use cases, Netflow supported devices, Netflow history, and variants. We’ll also dive int…

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VLAN Networks
While the VLAN Tagging article briefly covered the IEEE 802.1q protocol this article will continue building upon it by further analyzing the IEEE 802.1q T…
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 Netw…
VLAN Networks
It's easy to see why virtual LANs have become extremely popular on networks of all sizes. In practical terms, multiple VLANs are pretty much the same as h…
VLAN Networks
The invention of VLANs was very much welcomed by all engineers and administrators, allowing them to extend, redesign and segment their existing network wi…

Routing
This article covers basic OSPF concepts and operation. We explain how OSPF works, how OSPF tables are built on an OSPF-enabled router and their purpose (N…
Routing
Link State routing protocols do not view networks in terms of adjacent routers and hop counts, but they build a comprehensive view of the overall network…
Routing
Our previous article explained the purpose of Link State Update (LSU) packets and examined the Link State Advertisement (LSA) information contained within…
Routing
Open Shortest Path First (OSPF) is a popular routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working…

Cisco Routers
Some time ago, when broadband and ADSL wasn't available, analog and digital (ISDN) modems were the only way to connect to the Internet. Even though today…
Windows Servers
Altaro has released Altaro VM Backup, a faster and lighter upgrade to its flagship Hyper-V and VMware backup solution, which now supports all Windows Serv…
Windows Servers
Windows 2003 Group Policies allow the administrators to manage a group of people accessing a resource efficiently. The group policies can be used to contr…
Cisco Routers
This article shows how to configure the embedded or integrated access point in a Cisco 880W series router (e.g Cisco 887W, Cisco 886W, Cisco 881W, Cisco 8…