From the blog

How to Enable or Disable Juniper Interface

juniper-router-switch-basic

In this article, we will discuss the basic configuration of Juniper routers and switches. This article will help network professionals who are working on cisco systems and wants to learn Juniper systems. Below, you will found commands which…

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What is Network Address Translation | Different types of NAT

what-is-nat

In this article, we will discuss the NAT (Network Address Translation). Before continuing, I recommend you to read my Public and Private IP address article. NAT is also known as IP masquerading. Let’s continue! Why we need NAT? NAT…

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SNAT vs DNAT | Source NAT vs Destination NAT

snat-vs-dnat

In this article, we will discuss SNAT (Source NAT) and DNAT (Destination NAT). Both terminologies are related to NAT (Network Address Translation). Before continue, I recommend, please take a look at Network Address Translation. Source NAT (SNAT) SNAT…

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OSPF | Open Shortest Path First | Quick Overview

ospf-routers-and-areas-summery

In this article, we will discuss Open Shortest Path First (OSPF). It is an open standard routing protocol which is defined as RFC 2328 for IPv4 and RFC 5340 for IPv6. There is a total of 5 packets(messages)…

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EIGRP: The complete guide for Beginners and Experts

introduction-to-eigrp

In this article, we will discuss EIGRP (Enhanced Interior Gateway Routing Protocol), which is a hybrid routing protocol. It was originally defined by Cisco and available on only Cisco devices. Since 2013, it’s now an Open Standard and…

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EIGRP Packet Types / Messages Types and Neighborship Parameters

eigrp-packets

Enhanced Interior Gateway Routing Protocol (EIGRP) is one of the famous routing protocols. It is widely used in networking. In this article, we will discuss types of messages/ packets which is used in the EIGRP Protocol. We will…

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OSPF Packet Types / Message Types and Neighborship Requirements

ospf-packets-ospf-messages

In this article, we will discuss various OSPF Packet types or Message types that are used by the OSPF Routing Protocol. There are several messages which are used in OSPF in order to share data bits from one router to…

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OSPF Neighborship States in Detail [2023]

ospf-neighbor-discovery-states

In this article, we will discuss various states of OSPF (Open Shortest Path First). OSPF routers go through various phases before they establish a neighborship. Let’s discuss the neighborship parameters in detail! Quick Overview of OSPF Neighbor Discovery…

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How to Reset Cisco 7821 | 7841 IP Phone to factory default – 2023

how-to-reset-cisco-7821-7841-ip-phone

Method 1: Steps to reset Cisco 7821 IP phone using Keypad Power of the IP phone If connected with a direct power cube, remove the power cube. If connected with PoE (Power over Ethernet), remove the LAN cable….

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How to disable Automatic DNS Lookup In Cisco Devices

how-to-disable-dns-lookup-in-cisco-devices.

What is the automatic DNS Lookup? DNS (Domain Name System), is a system that is used to translate a domain name to an IP address. In Cisco devices, this lookup feature is by default enabled. So, whenever someone…

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