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Articles:
UDP Protocol - Header
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Suggested Articles:
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...
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We tend to think of digital communication as a new idea but in 1844 a man called Samuel Morse sent a message 37 miles from Washington D.C. to Balti...
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TCP - UDP Protocol Analysis
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This article is an introduction to the 7-page TCP Header analysis section that follows. We briefly view each section of the TCP Header and then mov...
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Netflow Articles:
Netflow vs SNMP. Two Different Approaches to Ne...
SNMP (Simple Network Management Protocol) and Netflow are both popular protocols with admins, prized for their ability to give visibility over the ...
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Monitoring network traffic & bandwidth usage via Netflow is mandatory for any type and size network. Gaining visibility into user traffic, appl...
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Complete Guide to Netflow: How Netflow & its Co...
This article will cover the basics of Netflow, including its use cases, Netflow supported devices, Netflow history, and variants. We’ll also dive i...
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VLAN Networks
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) trun...
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 thei...
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VLAN Networks
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We are going to analyse what happens when routing occurs on a network (IP routing process). When I was new to the networking area, I thought that all yo...
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OSPF - Part 6: OSPF LSA Types - Purpose and Function...
Our previous article explained the purpose of Link State Update (LSU) packets and examined the Link State Advertisement (LSA) information contained with...
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Routed Protocols
We all understand that TCP/IP, IPX-SPX are protocols which are used in a Local Area Network (LAN) so computers can communicate between with each other a...
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Our Web SSL VPN article written back in 2011 introduced this new wave of VPN services. This article extends the topic by covering the installation...
Cisco Routers
Cisco Router Basics
This article will focus on Cisco's routers which can be found in almost any organization due to their popularity and market penetration. Cisco has a nu...
Palo Alto Networks
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SASE & SD-WAN Networks
Check Point Software and Cato Networks Co-Founder Sh...
By: Shlomo Kramer, Check Point Software & Cato Networks Co-Founder
As one of the founders of Check Point Software and more recently Cato Networks, ...