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Articles That Might Interest:
VLAN Security Tips - Best Practices
This article focuses on VLAN Security and its implementation within the business network environment. We provide tips and Cisco CLI commands that will help you upgrade your VLAN network security.
Ev…
TCP Header Anaylsis - Section 6: TCP Options
The TCP Options (MSS, Window Scaling, Selective Acknowledgements, Timestamps, Nop) are located at the end of the TCP Header which is also why they are covered last. Thanks to the TCP Options field we…
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…
VPN Hotspot - How to Stay Safe on Public & Guest…
Is Guest WiFi Safe?
It’s hard to go to a pub, café, or hotel these days without running into public or guest WiFi. In many cases, an internet connection can feel like a necessity – keeping up with w…
OSPF - Part 1: Introduction, OSPF Packet Structur…
Open Shortest Path First (OSPF) is a popular routing protocol developed for Internet Protocol (IP) networks by the Interior Gateway Protocol (IGP) working group of the Internet Engineering Task Force…
VTP Pruning
VTP (VLAN Trunking Protocol) pruning is a feature that is used in Cisco switches to reduce unnecessary traffic in VLAN (Virtual Local Area Network) trunks. When VTP pruning is enabled on a trunk, the…
InterVLAN Routing - Routing between VLAN Networks
This article deals with the popular topic of InterVLAN routing, which is used to allow routing & communication between VLAN networks. Our article analyses InterVLAN routing and provides 4 differe…
Transmission Control Protocol - Part 1: Introduct…
Understanding how each protocol fits into the OSI Model is essential for any network engineer. This page analyses how TCP is classified as a 'transport protocol' and gives you an insight into what to…
Introducing The Cisco Technical Support Mobile Ap…
By: Arani Mukherjee & Chris Partsenidis
For a successful networking professional it is essential to gain information on-the-fly about the network infrastructure he or she is working on. For a su…
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…
Key Features of a True Cloud-Native SASE Service…
Secure Access Service Edge (SASE) is an architecture widely regarded as the future of enterprise networking and security. In previous articles we talked about the benefits of a converged, cloud-deliv…
Renewing Cisco Certifications without sitting for…
Without a doubt, Cisco certifications and specializations are among the most popular vendor certifications in the IT industry, and earning them doesn’t come easy. Anyone who’s achieved a Cisco certif…
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