Tag: CCNA R&S
CCNA Routing and Switching is a beginner level networking exam.
Cisco line vty 0 – 4 Explanation and Configuration | VTY – Virtual Teletype
In this article, we will discuss the meaning of the Cisco line vty command. While working on Cisco Routers or Switches you may come across line vty configuration. So, In this article will explain the “line vty 0…
Read More »What is Network Address Translation | Different types of 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…
Read More »SNAT vs DNAT | Source NAT vs Destination NAT
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…
Read More »OSPF | Open Shortest Path First | Quick Overview
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)…
Read More »EIGRP: The complete guide for Beginners and Experts
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…
Read More »EIGRP Packet Types / Messages Types and Neighborship Parameters
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…
Read More »OSPF Packet Types / Message Types and Neighborship Requirements
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…
Read More »How to disable Automatic 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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