Networking Archives - Let Me Tech You

azure transitive routing hub and spoke network

Azure Firewall to Route Spoke Vnets Through Hub Vnet

One of the recommended azure architectures is a hub and spoke network setup. This architecture consist of the following azure components: 1x Hub Virtual Network...

Kevin Sims in Cloud, Networking
Nov 5 - 2 min read

how to build a hub and spoke model using terraform

Deploy an Azure Hub and Spoke Network using Terraform

Whether your doing this to study or deploy into a production networking, deploying an azure hub and spoke network using terraform makes management a lot...

Kevin Sims in Networking
Nov 2 - 7 min read

How to manage your fortigate firewall using terraform

A fortigate firewall is a security device that a lot of businesses may find themselves using at the edge of their business locations. Your firewall...

Kevin Sims in Automation, Networking
Oct 25 - 2 min read

Azure Firewall vs Network Security Group

When it comes to protecting your azure resources, a question you may come across is when to use an azure firewall vs network security group....

Kevin Sims in Cloud, Networking
Oct 20 - 3 min read

How to Build a Cisco CCNA lab at home using EVE-NG

Want to know how to build a cisco ccna lab at home using eve-ng? Many people seek to pass the CCNA 200-301 cisco exam. EVE-NG...

Kevin Sims in Networking
Sep 27 - 3 min read

How OSPF Link State Advertisement works

OSPF link state advertisements are advertisements the router floods to other routers when neighbors are becoming adjacent. An OSPF router adds or removes directly connected...

Kevin Sims in Networking
Jul 15 - 2 min read

Types of Static Routes and How to Configure Them

Static routes can help provide precise control over routing but may create a burden when it comes to maintenance. As your network grows creating static...

Kevin Sims in Networking
Jul 10 - 3 min read

How to configure ASAv in EVE-ng and use ASDM

Learning how to configure ASAv in eve-ng can help grow not only your networking skills but IT career. One of the biggest in demand fields...

Kevin Sims in Networking
Jul 7 - 3 min read

EVE-NG: Complete OSPF multi area configuration lab

Our last lab talked about single area ospf. This ospf multi area configuration lab will walk you though setting up 6 cisco routers in 3...

Kevin Sims in Networking
Jun 27 - 6 min read

How to setup Ubuntu Linux in EVE-NG

Setting up Ubuntu Linux to run in EVE-NG is a simple process that allows you to use many of the powerful features of the EVE...

Kevin Sims in Networking
Jun 17 - 2 min read

Step by Step Cisco Router BGP Configuration

BGP is an interdomain routing protocol that is intended to provide businesses with loop-free routing. In this lab we will go over the cisco router...

Kevin Sims in Networking
Jun 9 - 4 min read

How to Configure VRRP | Complete EVE-NG Lab

VRRP (Virtual Router Redundancy Protocol) is a first hop redundancy protocol that is similar to HSRP. The key distinction between HSRP and VRRP is that...

Kevin Sims in Networking
Jun 7 - 1 min read

Cisco HSRP Configuration: The Ultimate EVE-NG Lab

Implementing Cisco HSRP Configuration in your network will provide a fault-tolerant default gateway for your network. Hot Standby Routing Protocol (HSRP) is a Cisco proprietary...

Kevin Sims in Networking
Jun 5 - 4 min read

EVE-NG vs GNS3 | Complete 2023 Review Updated

Eve-ng and gns3 are both great emulation software that can help grow your networking career. Read through on the benefits of both. When choosing between...

Kevin Sims in Networking
Jan 4 - 5 min read

How to Apply Log4j Workaround for VMware Vcenter

I am going to show you Step by Step how to apply the VMWare log4j workaround. ...

Kevin Sims in Networking
Dec 13 - 1 min read

Single Area OSPF Routing Protocol Configuration Guide

Single area OSPF routing protocol configuration is a very simple setup that can help improve network availability in your network. OSPF (Open Shortest Path First)...

Kevin Sims in Networking
Dec 13 - 6 min read

How to setup a Cisco ASA Active/Standby Failover

Two Cisco ASA firewalls in high availability mode are highly recommended in a production scenario....

Kevin Sims in Networking
Nov 28 - 2 min read

How to configure Cisco ASA site to site VPN IKEv1

This lab will walk you through how to setup a cisco asa vpn connection between 2 cisco ASA firewalls using IKEv1...

Kevin Sims in Networking
Nov 24 - 4 min read

How to configure SNMPv3 on VMware ESXi 7.0

When looking to configure SNMP for ESXI, the most secure way is to go with SNMPv3. Here is a way to get that setup if...

Kevin Sims in Networking
Nov 12 - 2 min read

How to configure VRF-lite using Cisco Routers & Switches

For service providers to help support multiple customers, they must be able to virtualize the router to create multiple virtual routing tables using VRF...

Kevin Sims in Networking
Sep 24 - 5 min read

How to configure Etherchannel load balancing

LACP and PAgP support a variety of load balancing algorithms to help maintain even distribution of traffic across an Etherchannel bundle. In this lab we...

Kevin Sims in Networking
Sep 12 - 2 min read

Etherchannel Configuration Guide using LACP or PAgP

The Etherchannel Configuration implemented in this guide will explore various methods of Link Aggregation, which will combine the connections into single logical channel group. Port...

Kevin Sims in Networking
Sep 4 - 4 min read

How To Configure Cisco VLAN Trunking Protocol Version 3

I covered the fundamentals of Cisco VLAN Trunking Protocol in a previous article (version 1 and 2). VTP version 3‘s primary purpose is to synchronize...

Kevin Sims in Networking
Sep 1 - 3 min read

Ultimate VLAN Trunking Protocol V2 setup Guide

VLAN Trunking protocol (VTP) manages the addition, deletion, and renaming of VLANs on the entire network from a single switch. Although not used as common...

Kevin Sims in Networking
Aug 28 - 4 min read

How to setup Multiple Spanning Tree Protocol

Multiple Spanning Tree protocol (MST) is an open protocol derived from rapid spanning tree protocol. MSTP runs a number of VLAN-independent STP instances (representing logical...

Kevin Sims in Networking
Aug 17 - 3 min read

(STP) Spanning Tree Protocol Explained – advanced tuning

The (STP) Spanning Tree Protocol Explained in simple terms is a link management protocol that enables path redundancy while also preventing undesired network loops. As...

Kevin Sims in Networking
Aug 16 - 2 min read

How to setup a cisco spanning tree protocol lab – Part 3

Although cisco spanning tree by default is a great implementation, when links go down or come up you want to speed up convergence to improve...

Kevin Sims in Networking
Aug 8 - 1 min read

How to setup a cisco spanning tree protocol lab – Part 2

We’ll talk about how to locate the default spanning tree in this section of the lab. Spanning tree is enabled by default, so as soon...

Kevin Sims in Networking
Aug 8 - 2 min read

How to configure Inter-VLAN routing video part 3 & 4

You can check the video out and subscribe to my channel here! In this video, we’ll provide the setup and configuration for setting up a...

Kevin Sims in Networking
Aug 7 - 1 min read

How to setup a cisco spanning tree protocol lab – Part 1

Cisco Spanning tree protocol lab details The implications of a loop in a layer 2 network can have a big impact on the network’s reliability....

Kevin Sims in Networking
Aug 5 - 3 min read

How to configure Inter-VLAN routing video part 1 & 2

SORRY FOR THE LOW VOLUME . You can check the video out and subscribe to my channel here! In this video, we’ll provide the setup...

Kevin Sims in Networking
Aug 3 - 1 min read

Part 3 & 4 how to configure router based inter-vlan routing

Rather than use a layer 3 switch and configuring switch virtual interfaces to route packets across vlans, we'll utilize a router to accomplish the job...

Kevin Sims in Networking
Aug 3 - 2 min read

Part 1 & 2 How to configure router on a stick to implement inter-vlan routing

The goal of this lab is to assist you in creating inter-vlan routing with a layer 3 switch on one network and a router on...

Kevin Sims in Networking
Jul 30 - 4 min read

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