Configuring your first Active Directory server | Active Directory Domain Services (ADDS)Oct 26, 2024·7 min read
Project No. 1 | Building my own Internal Virtualized Email InfrastructureIntroduction In my previous post, we tackled the process of how email is forwarded and delivered from one user mailbox to another, the components needed, and the different protocols involved. We wrapped up our discussion by explaining the email flow ...Sep 21, 2025·5 min read
Doodle #3: How Service Providers connect Non-MPLS Customer Site to their MPLS fabric?Oct 16, 2024·7 min read
DOODLE #2: The Customer's Way of Connecting Branch Sites using MPLS L3 VPN and Site-to-Site IPsec VPN - Pt. 2Jul 12, 2024·4 min read
DOODLE #2: The Customer's Way of Connecting Branch Sites with MPLS L3 VPN and Site-to-Site IPsec VPN - Pt. 1Introduction Have you ever wondered how Customers design their enterprise WAN? Especially with other site located in other location? This is the right page to know! Today, I'm going to show you two (2) ways how customers connect to their site in othe...Jul 12, 2024·7 min read
DOODLE #1: Building a Campus Local Area Network (LAN) with Core, Distribution, and Access Layers - Pt. 2Introduction In this entry, I'm gonna show you how to build a simple, and fundamental-based Campus Local Area Network (LAN). For better a understanding of this post (doodle), I recommend you to visit the Part 1. Continuation... I am now about to do t...Jul 12, 2024·9 min read
DOODLE #1: Building a Campus Local Area Network (LAN) with Core, Distribution, and Access Layers - Pt. 1Introduction In this entry, I'm gonna show you how to build a simple, and fundamental-based Campus Local Area Network (LAN) Some Story... I first known Campus Local Area Network (LAN) design when I was studying for my Cisco Certified Networking Assoc...Jul 10, 2024·10 min read
Configuring MPLS L3 VPN with Route Reflector on Cisco using GNS3Introduction In our previous content, PE to PE connection establishment through Border Gateway Protocol (BGP) was used for them to share route information between customer sites. If there is an new site in a different location, you have to establish ...May 4, 2024·9 min read
Multi-Protocol Label Switching (MPLS) L3 VPN | Configuration TutorialIntroduction Ahh yes...configuration. Let us take a look in our simple topology below. I made it like that just to understand the basics: [NOTE] This is the second part this content. You can see our MPLS overview here. Before we start our configurat...Apr 28, 2024·7 min read
MPLS, what is it? | An MPLS OverviewIntroduction I have been studying Multi-Protocol Label Switching (MPLS) for a while and I want to show you what I have been learned so far. Quick Overview According to Wikipedia's definition of Multi-Protocol Label Switching (MPLS), "Multiprotocol La...Apr 28, 2024·2 min read