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Windows Servers
Guide to Windows Server 2016 Hyper-V Hypervisor…
One of Windows Server 2016 highlights is the newer Hyper-V server that not only extends the hypervisor’s features and capabilities but also introduces a number of new enhancements and concepts that t…
Cisco Services & Technologies
Install & Fix Cisco VPN Client on Windows 10 (32…
This article shows to how correctly install Cisco VPN Client (32 & 64 bit) on Windows 10 (32 & 64 bit) using simple steps, overcome the ‘This app can’t run on this PC’ installation error, plu…
OpManager - Network Monitoring & Management
Free Webinar: Learn How Zero-Trust & Cloud Techno…
Work transformation is not 'one and done,'" says IDC's vice president, Holly Muscolino. Most enterprises understand that a hybrid workforce is the future, but they are finding the transformatio…
Cisco Routers
How To Configure Windows VPDN (PPTP) Dialup Conne…
Setting up a Windows VPDN connection is a required task in order to connect to a remote network. In previous articles we covered the set up of a VPDN - PPTP server on a Cisco router. Click here to fi…
Cisco Routers
How To Configure Router On A Stick - 802.1q Trunk…
Router-on-a-stick is a term frequently used to describe a setup up that consists of a router and switch connected using one Ethernet link configured as an 802.1q trunk link. In this setup, the switch…
OpManager - Network Monitoring & Management
Ensuring Enterprise Network Readiness for Mobile…
Demands for Enterprise networks to properly support mobile users is on a continuous rise making it more than ever necessary for IT departments to provide high-quality services to its users. This arti…
VLAN Networks
Dynamic VLANs
Dynamic VLANs were introduced to grant the flexibility and complexity(!) that Static VLANs did not provide. Dynamic VLANs are quite rare because of their requirements and initial administrative overh…
Network Cabling
Direct Cable Connection
From the early PC days, Direct Cable Connection (DCC) was the most popular way to transfer data from one PC to another. Of course, it might seem a bit of an "old fashioned" way to transfer data these…
Routing
Distance Vector Routing Protocols
Distance Vector routing protocols use frequent broadcasts (255.255.255.255 or FF:FF:FF:FF) of their entire routing table every 30 sec. on all their interfaces in order to communicate with their neigh…
Domain Name System (DNS)
The DNS Protocol - Part 3: DNS Query Message Form…
This section will deal with the analysis of the DNS packets by examining how DNS messages are formatted and the options and variables they contain. To fully understand a protocol, you must understand…
Cisco Firewalls
Understand & Configure NAT Reflection, NAT Loopba…
This article examines the concept of NAT Reflection, also known as NAT Loopback or Hairpinning, and shows how to configure a Cisco ASA Firewall running ASA version 8.2 and earlier plus ASA version 8…
TCP - UDP Protocol Analysis
TCP Header Anaylsis - Section 3: TCP Header Lengt…
The third field under close examination is the TCP Header length. There really isn't that much to say about the Header length other than to explain what it represents and how to interpret its values…
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