Articles That Might Interest:

Windows Servers

Renaming Windows 2000 Domain Name

Sometimes renaming a domain is an essential business requirement. There are many situations, such as mergers, change of company name or migration from a test environment to a production environment…

OpManager - Network Monitoring & Management

Free March 2021 Training/Seminars: Endpoint Manag…

ManageEngine continues its commitment to help IT staff around the globe manage their organization's endpoints and the IT operations for the remote and on-site workforce. The below Free seminars runn…

The OSI Model

The OSI Model: Layer 3 - Network Layer

The Network layer is responsible for routing through an internetwork and for networking addressing. This means that the Network layer is responsible for transporting traffic between devices that are…

Linux - Unix

Linux BIND DNS - Part 4: Common BIND Files - Name…

So far we have covered in great detail the main files required for the firewall.cx domain. These files, which we named db.firewall.cx and db.192.168.0, define all the resouce records and hosts availa…

Supernetting & CIDR

Supernetting In-Depth Analysis - Learn to Identif…

Our previous article served as an introduction to Supernetting, also known as Route Summarization. We covered the concept of Supernetting, how it works, its advantages and more. This article will att…

Network Fundamentals

Need for Speed – The Data Tsunami & Advancements…

A long-long time ago (not long ago in earth time) 100 Mbps was THE technology. 100 Mbps uplinks bundled with ether-channel was the ultimate uplink technology. This was the prevailing technology durin…

Routing

OSPF - Part 6: OSPF LSA Types - Purpose and Funct…

Our previous article explained the purpose of Link State Update (LSU) packets and examined the Link State Advertisement (LSA) information contained within LSU packets. We also saw the most common LSA…

Cisco Wireless

Cisco WLC Interfaces, Ports & Their Functionality…

Our previous article introduced Cisco’s popular Wireless ControllerCisco’s popular Wireless Controller (WLC) devices and examined their benefits to enterprise networks, different models offered and f…

Cisco Services & Technologies

Comparing Cisco VPN Technologies – Policy Based v…

Virtual Private Networks constitute a hot topic in networking because they provide low cost and secure communications between sites (site-to-site VPNs) while improving productivity by extending corpo…

Domain Name System (DNS)

The DNS Protocol - Part 4: DNS Response Message F…

The previous article covered the DNS Query message formats. In the article we analysed them in great detail and showed how various options are selected by the host using the Flags/Parameters field.&n…

VLAN Networks

VLAN Security - Making the Most of VLANs

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 having multiple separate physical networks wit…

Linux - Unix

Understanding The Linux Init Process & Different…

Different Linux systems can be used in many ways. This is the main idea behind operating different services at different operating levels. For example, the Graphical User Interface can only be run if…