As we have learned in my previous blog about IGMP (Internet Group Management Protocol) version 1 and version2. Thisblog will cover IGMP version 3 how it is a better approach to use this version, and how IGMPv3 solves the Source authentic issue with the concept of Source-Specific Multicast (SSM). Terminology of IGMP Version 3 IGMPv3 uses Membership Report message as it is like use as the previous IGMP version 1 & version 2. IGMPv3 uses multicast address 224.0.0.22 on all enabledIGMPv3 multicast […]
Here we will discuss what is cloud computing in which we will be discussing about the foundation topics of cloud computing like what is cloud hype, the history about the foundation topics of cloud computing like what is cloud hype, the history about cloud computing, common cloud characteristics, on-demand self-service, rapid elasticity, resource pooling, etc. […]
What is IPsec? IPsec VPN (internet protocol security) is a protocol or method to encrypt the traffic between two branches or sites. It is used to secure the traffic over an untrusted network, and we can understand by its name that it provides security of INSIDE network IPs. It provides Confidentiality, Integrity, and Authentication over […]
In this blog, we will learn about VLAN Trunking Protocol generally called VTP. We will see why VTP came into existence and will discuss how it works and where it can be deployed. For understanding, we will take some examples. Before VLAN trunking protocol (VTP), for creation, addition, deletion, renaming of VLAN, we must go […]
An Area type of ospf is a logical group of devices within a single administration. Cisco recommends that the single area should not have more than 50 routers. It has a 32 bit long ID and area-id can be represented in decimal number or ipv4 format Area type of ospf. WHY DO WE USE AREA […]
Communication between two private networks is not possible as the ISP is not aware of the private IP and moreover ACL is created on the ISP side which denies the private network. However, we can make communication possible with GRE. What is GRE? It stands for Generic Router Encapsulation. GRE is a Layer 3 Protocol. […]