Tag: CCNA R&S

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 on 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. Quick Overview to OSPF OSPF is one…

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EIGRP : The complete guide for Beginner and Expert

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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How to disable Automatic DNS Lookup In Cisco Devices

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

Normally, when we working on Cisco Routers, Switches or Firewall, and we give a wrong command to the console of the Router than we have to wait for some time to get it working again. This is due…

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