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The DNS Protocol - Part 2: DNS Queries & Resoluti…
This section will help you understand how the DNS queries work on the Internet and your home network. There are two ways to use the domain name system in order to resolve a host or domain name to an…
The DNS Protocol - Part 1: Introduction
If you ever wondered where DNS came from, this is your chance to find out ! The quick summary on DNS's history will also help you understand why DNS servers are run mostly on Linux and Unix-type syst…
1Gigabit 802.3ab -10GBase (10Gigabit) 802.3an Eth…
The 1000Base Ethernet standard, also referred to as Gigabit Ethernet (GbE or 1GigE) is defined by the IEEE 802.3-2008 standard and provides 10 times faster transfer speeds of 100Base Ethernet. Gigabi…
Spanning Tree Protocol – Part 3: Bridge ID, Prior…
In this article we will examine the Spanning Tree Bridge ID structure, explain why it has increments of 4096, how VLAN information is embedded (for Per-VLAN Spanning Tree & multiple STP instances…
Cisco Aironet 1100 & 1200 Series (1110, 1121, 114…
Resetting a Cisco Aironet access point can be required if you’ve lost your password or need to wipe out the configuration of a previously configured access point. Cisco provides two main methods to p…
How to Enable Master Control Panel or Enable God…
Around 2007, an undocumented feature of Windows, called the God Mode, was published outside of documentation provided by Microsoft. This is the Windows Master Control Panel shortcut. Bloggers named i…
Installing Windows Server 2012 Active Directory v…
This article serves as an Active Directory tutorial covering installation and setup of a Windows 2012 Domain Controller using Windows Server Manager (GUI).
Readers interested in performing the insta…
Linux BIND DNS - Part 1: Introduction To The DNS…
BIND (Berkely Internet Name Domain) is a popular software for translating domain names into IP addresses and usually found on Linux servers. This article will explain the basic concepts of DNS BIND a…
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…
How To Secure Your Cisco Router Using Cisco AutoS…
In today’s complex network environments securing your network routers can be a daunting task, especially when there are so many CLI commands and parameters with different security implications for yo…
Complete Guide: Configuring IPSec VPN between Pal…
This article will show you how to configure an IPSec VPN tunnel between a Palo Alto firewall (all PANOS versions) and Meraki MX security appliance. Our comprehensive guide includes IPSec VPN setup fo…
Ethernet Troubleshooting - Physical Frame Corrupt…
When troubleshooting your Ethernet network, the first thing to look for is physical frame corruption. In this essay, we will discuss the different causes of physical frame corruption and the characte…
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