Articles That Might Interest:

OpManager - Network Monitoring & Management

Boost Network Security and Efficiency with Intell…

Network alerts are vital for maintaining your network's health, efficiency, and security, ensuring seamless daily operations. They act as an early warning system, alerting you to potential issues bef…

Network Protocols

ISDN Layers, Protocols & Components

Our previous article was an Introduction To The ISDN Protocol. This article dives a bit deeper by examining ISDN Layers, Protocols & Components. ISDN uses circuit-switching to establish a physic…

Network Cabling

Unshielded Twisted Pair (UTP) - CAT 1 to CAT5, 5e…

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 also for the traditional telephone (UTP-Cat 1). The…

Linux - Unix

Implementing Virtual Servers and Load Balancing C…

What is Server Virtualization? Server virtualization is the process of apportioning a physical server into several smaller virtual servers. During server virtualization, the resources of the ser…

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…

Cisco Firewalls

Demystifying Cisco AnyConnect 4.x Licensing. Plus…

In late 2014, Cisco announced the new licensing model for the latest AnyConnect Secure Mobility client v4.x. With this new version, Cisco introduced a number of new features, but also simplified the…

ManageEngine Firewall Analyzer

Achieving Modern Compliance: Navigate PCI DSS v4…

In an era where cyber threats are growing in both volume and sophistication, failing to meet security compliance standards is no longer just a legal issue—it’s a business risk with potentially catast…

Windows Servers

Free Webinar: Troubleshooting & Fixing Microsoft…

Users working with Hyper-V Virtualization would be interested to know that Altaro is hosting a free webinar on the 25th of February 2016 at 4pm CET / 10am EST. Microsoft Cloud and Datacenter Manageme…

Cisco Switches

Cisco Catalyst Err-disabled Port State, Enable &…

Errdisable is a feature that automatically disables a port on a Cisco Catalyst switch. When a port is error disabled, it is effectively shut down and no traffic is sent or received on that port…

Network Fundamentals

Controlling Broadcasts and Multicasts

The first step in controlling broadcast and multicast traffic is to identify which devices are involved in a broadcast or multicast storm. The following protocols can send broadcast or multicast pack…

SASE & SD-WAN Networks

The Most Common Worst Networking Practices and Ho…

In the rush to keep pace with the many challenges facing today’s organizations, all too often networking teams end up adopting practices and processes that are, shall we say, less than perfect. You p…

Subnetting

IP Subnetting - Part 3: Subnet Mask Bits & Analys…

So we have covered to some depth the subnetting topic, but there is still much to learn ! We are going to explain here the available subnet masks and analyse a Class C network, using a specific subne…