How To Prioritize Your PC For Wifi On Windows 10?

Saifudheen SidheeqNetworkingLeave a Comment

Most of the home networks nowadays use mainly Wi-Fi, and we rarely get to see the wired connection directly to the machine. By default, when you connect to both the Wi-Fi and the ethernet cable, the windows machine would priorities the ethernet connection over the wifi.If you check the routing table, you should be able to see two default routes, … Read More

How To Install PfSense on VirtualBox?

Saifudheen SidheeqNetworking, pfSense, VirtualizationLeave a Comment

In some of my last blog posts, we covered the installation of pfSense on BareMetal meaning on old physical PC, and different hypervisors such as pfSense on KVM, VMware workstation, and so on. In this blog, we are going to cover how you can install pfSense on a virtual box hypervisor. Since VirtualBox is free and it supports Windows and … Read More

What is SNMP and how it works?

Saifudheen SidheeqNetworkingLeave a Comment

In a big network environment where you have hundreds or even thousands of devices connected, anything can go wrong at any point in time. So as a network or system engineer it’s your responsibility to make sure that all the systems are up and working at all times. In case anything goes wrong you need to find out what is … Read More

How to Setup IPsec Tunnel between Paloalto and PFsense?

Saifudheen SidheeqGns3, NetworkingLeave a Comment

In a world where everything connected over the internet, it is quite common that we get to see many enterprise users connect the branch offices via the IPsec VPN.  Moreover, the internet connection is getting cheaper and cheaper now as compared to the dedicated links. That is one of the reasons too the SD-WAN is becoming popular as well. Connecting … Read More

How To Configure Netplan Network? – Examples

Saifudheen SidheeqLinux, Networking, UbuntuLeave a Comment

ubuntu netplan configuration

Ever since Ubuntu changed it’s network configuration utility to netplan from the traditional configuration, many of them got so upset. Some of them are very annoyed to the point they even entirely removed the netplan and installed ifupdown back into the system. So is Ubuntu Netplan going to stay ?, if yes shouldn’t we learn how to configure them on … Read More

The DHCP DORA Process Explained – With Packet Capture.

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DHCPACK

How does DHCP work in the network? Before we answer that question, we need to understand the different ways of configuring the IP addresses.You could use either DHCP or static IP configuration. You might already know the configuration of IP address statically on a computer. It requires you to go to the network properties of the network hosts and manually … Read More

How does the Address Resolution Protocol ARP work?

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What is Arp protocol

If you are new to networking you must have heard the term called ARP protocol – address resolution protocol many times.You may be wondering or even confused. Well, what is the ARP protocol and how ARP works in the real world? Before we talk about how arp works we need to know something called a mac address first. What does … Read More

6 Easy Steps To Configure Pfsense Firewall In GNS3.

Saifudheen SidheeqGns3, NetworkingLeave a Comment

I have worked on multiple firewalls; however, the one firewall that stands out from the crowd is the Pfsense firewall. Let’s take a look at what makes the Pfsense different from other firewalls, and then we will also see how you can install a Pfsense firewall on GNS3 software and start building a basic LAB. Below is the lab topology … Read More

How To Set Static IP On Ubuntu? (GUI and CLI)

Saifudheen SidheeqLinux, Networking, UbuntuLeave a Comment

If you’re using Ubuntu Dekstop or server, and one day you decided to change the IP address of your ubuntu machine from automatic (DHCP) to static configuration. how do you achieve that? If you are using Ubuntu with GUI, it is pretty straightforward, but what if you don’t have GUI and the only option that you have is to configure … Read More

How I have setup my GNS3?| 10 Easy steps.

Saifudheen SidheeqGns3, NetworkingLeave a Comment

step by step install gns3 in windows

I have seen some of my friends and colleagues who are struggling to get their GNS3 up and running with no issues at all. Sometime they call me and say, Saif can you please take a look, it is not working! The problem with GNS3 is that after you get everything working and the next day when you come back … Read More

How To Install And Configure SNMP on Ubuntu?

Saifudheen SidheeqLinux, Networking, UbuntuLeave a Comment

If there is no SNMP protocol, monitoring the Network hosts would have been difficult tasks for the admins. SNMP is a protocol that helps you identify the host availability with many parameters such as network health, hardware resources such as CPU utilization, memory storage, etc. In this blog, let’s discuss how to configure SNMP on an Ubuntu server and specific … Read More

How To Install Checkpoint Firewall In Gns3?

Saifudheen SidheeqGns3, NetworkingLeave a Comment

You wanted to work with firewall, mainly the checkpoint firewalls, but you don’t know where to begin with and no prior experience with firewalls either, then you are in the right place. Even if you have experience with the firewall but just wanted to spin up the lab in GNS3, that’s fine too. In this blog, I will cover how … Read More

How To Connect Your VM To The VPN?

Saifudheen SidheeqNetworkingLeave a Comment

In some of my last blogs, I wrote about how you can install Virtual machines on different hypervisors such as KVM, VMware, VirtualBox, etc. I use the windows machine as a daily driver Virtual Machine on my Ubuntu box; having the choice of both operating systems at a time is excellent. And I can switch between them any time I … Read More

How to create Bridge and Vlan’s in Linux – Nuage SD-WAN lab Part – 2

Saifudheen SidheeqLinux, Networking, Nuage-SDN, SDNLeave a Comment

nuage underlay network setup

What is the underlay and Overlay network? When it comes to Nuage-SDWAN there are two types of networks that we have to use. First one is called the underlay network and the second one is called the overlay network. The underlay network is nothing but our traditional network which would help us to connect all the network equipment. Once the … Read More

Setup Hpe comware or MSR in gns3 and Telnet to Putty.

Saifudheen SidheeqNetworkingLeave a Comment

Most of the network engineers whom I know have worked with mainly Cisco gears and not Hpe Comeware devices, Including myself 🙂 And my transition wouldnt been easier if there was no GNS3. To get familiar with the Comware devices, what I have done is.. I have downloaded and installed Hpe VSR to my gns3. After that it was just … Read More

First Hop Redundancy Protocol – HSRP, GLBP and VRRP

Saifudheen SidheeqNetworkingLeave a Comment

Let me start off by showing some real life scenarios here, and then we would understand where do we use HSRP, GLBP and VRRP and its differences then we would fix the network. Instead of showing some labs right away. So let’s begin. We have Customer A , they are using a simple network topology as below. A router that … Read More

9 Reasons why you should use a VPN

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9 reasons why you need to use VPN

Countries around the world are going above and beyond to protect their citizens from internet threats. One example is that in some countries, which has made it impossible for its citizens to access social media sites. And in some of the western countries, they are using the internet to invade its citizens’ privacy, it only makes sense to protect yourself … Read More

What is an ASN in BGP?- All you need to know about AS numbers

Saifudheen SidheeqNetworkingLeave a Comment

We all have configured Routing protocols and heard about the term ASN/AS numbers (Autonomous system number). However, when it comes to BGP, have you ever wondered what ASN really is and how you can get one?In this blog, let’s answer what ASN is in the BGP routing protocol, and it’s differences and types. A BGP public ASN or AS number … Read More

What is NTP? Configure Routers as the NTP server

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What do you think is the best way for Network hosts to update its clock automatically?The answer to that is to use an NTP server, in this article lets find out what is NTP and its stratum values, and we would also configure Cisco and Comware routers as the NTP public and private servers. Why is NTP important? An NTP … Read More

Best Way To Stream VLC videos On Your Network

Saifudheen SidheeqNetworkingLeave a Comment

The VLC media player is great if you wanted to watch videos on your computer, tablet, or even on your smartphone. And the best part about this media software is that it not only play videos locally it also helps you stream videos over the network, meaning you can make your local machine as a video server and stream the … Read More