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Category: Networking

Deploying a Wi-Fi Hotspot using CoovaChilli and Hostapd in Ubuntu

Deploying a Wi-Fi Hotspot using CoovaChilli and Hostapd in Ubuntu

Welcome! This is gonna be yet another post on setting up Wi-Fi Hotspot using CoovaChilli. I’m again writing in this topic because it has been the most searched for and viewed post in my whole blog. I’ve also received some private requests from people across the world regarding this subject. So, I’m going to dedicate this post on setting up a basic hotspot solution in a Ubuntu machine using Coova and Hostapd. Project Overview The host system being used here is Ubuntu…

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Cisco UCS Mini – A Simple How-To

Cisco UCS Mini – A Simple How-To

Hello and welcome back. Today, let’s learn about Cisco’s Unified Computing Systems (UCS) technology. If you haven’t heard of Cisco UCS before, this might be a good opportunity for you to keep yourself updated with the recent developments in IT industry. Basically, UCS is an aggregation of computing systems, virtualization, switching fabric and centralized management for deploying and running the entire data center. As part of UCS, Cisco provides rack-mount servers and blade servers for computing and Nexus/MDS switches for fabric switching….

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Cisco MDS Switch Setup For FC Based SAN

Cisco MDS Switch Setup For FC Based SAN

Welcome back! In this post, I’m getting into somehow different topic than my usual ones. Here, the subject matter that I’m diving into is storage traffic switching with Cisco MDS series switches. If you’re new to this subject, here are some basic introductions: First, Storage Area Network (SAN) is much like the well-known Local Area Network (LAN), with an exception that it carries storage traffic or SCSI commands among storage devices (target) and servers/clients (initiator). There are mainly two technologies that…

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Route Based IPSec VPN in JunOS

Route Based IPSec VPN in JunOS

In this blog, I’m going to cover how to setup a Route based IPSec VPN in Juniper Networks’ JunOS. I hope you’ve read my previous blog which was about configuring Policy based IPSec VPN in JunOS. In case you haven’t, you can find it here: Policy Based IPSec VPN in JunOS The reason I’m mentioning about the previous post is that the Route based IPSec VPN is much similar to the Policy based one. Yes, there are some distinctive differences between the…

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Policy Based IPSec VPN Junos

Policy Based IPSec VPN Junos

Hello! I’m going to dedicate this post to talk about Policy Based IPSec VPN in Juniper Networks device. For the purpose of setting up IPSec VPN, I’ve prepared a lab in GNS3 using three vSRX machines, one Cisco 2691 router and three Cirros machines. However, for now, I’ll be using only two vSRX devices for policy based VPN because I plan to use other one for configuring Route based VPN. Here’s how my lab topology looked like: Lab Overview For this particular post,…

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Getting Started With Juniper vSRX

Getting Started With Juniper vSRX

My objective here is to perform the basic configuration in a vSRX machine to provide Intenet access for its users sitting inside the local area network. For that purpose, I’m setting up DHCP, DNS, Default Route, Zones, Policies, and Source NAT in this virtual appliance. To get started, I designed a network topology in GNS3 as follows: Lab Overview As you can see in the network diagram, I’ve put Internet or Cloud at the top whose interface is bridged to…

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Running vSRX Within GNS3 In Ubuntu

Running vSRX Within GNS3 In Ubuntu

Hello and welcome back! In this blog, I’m going to cover a little different topic than my previous ones. This time, it’s about setting up Juniper‘s vSRX within GNS3 in Ubuntu. To briefly introduce the involved subjects; vSRX is the virtual firewall appliance made by Juniper Networks, GNS3 is the best open-source network simulation software and Ubuntu is one of the most widely used Linux based operating systems. Installing GNS3 Installing GNS3 in Ubuntu is quite simple and easy. In…

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Adding Networking in Vmware vSphere

Adding Networking in Vmware vSphere

Hello and welcome! In this post, I’m going to add a new networking in Vmware vSphere. Networking is one of the most important aspects of any virtual or physical platform and reflecting the real-time requirements of networking in virtual environment is equally challenging. Each virtualization platform has its own approach towards networking and offers its own suite of features and services for that purpose. Here, I’m mainly focusing on Vmware vSphere. Adding Networking in VMware First, select the Vmware Host or Cluster in…

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