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. […]
BGP Neighborship States And Attributes? Idle – neighbor shutdown/waiting for start 3-way handshake. Connect – try to connect TCP connection but won’t be confirmed. Active – TCP connection not completed, retrying to form tcp connection. Open-sent – TCP connection completed and sent the open message. Open-confirm – exchange open message, parameter agreed, send keep-alive after […]
What is Phishing? Phishing, which sounds similar to fishing, is a type of cyber security attack. In this, the hacker sends messages pretending to be a trusted person or entity and then they launch their attack to steal the data or valuable information. A phishing message is sent out to manipulate the victim in a […]
What is GSLB? Global Server Load Balancer (GSLB) enables balancing server traffic load across multiple physical sites. It Refers to web traffic management and application delivery over multiple data centers whether it is public or private clouds in multiple geographical areas. A load of hosted applications on the servers at each location is managed by […]
Cisco DNA Center has many features, out of them one feature is called ‘LAN Automation’ which I like the most. DNA-Center is designed to automatically discover and configure our underlay network that is called LAN automation in the SDA environment. LAN automation brings up the LAN network automatically starting from seed and peer devices. This […]
Hello friends, this is the 2nd part of the Cisco NIPS Day 1 Configuration Guide, if you have not gone through my first part of this blog then you must check that first. In the end, I will share some OEM-related links as well for you, so you can overcome your all doubts and will […]
VMWare Horizon is a centralized desktop virtualization solution that enables organizations to deliver virtualized desktop services and applications to employees a managed service. In VMWare Horizon Connection Server plays a very important role, and they come in two variations – The Standard connection sever and the replica connection server. Connection Server handles multiple roles in […]
IGMP (Internet Group Management Protocol) is a network layer protocol that is used to enable the communication between a multicast router and host which wants to receive the multicast group traffic. By default, using IGMP version-2. In this blog, cover the below-mentioned topics- IGMP Version-1 IGMP Version-2 IGMP Version-3 IGMP version-3 will cover in my […]
According to Gartner, by the year 2022, around 80% of new business applications will be accessed through Zero Trust Network Access and by 2023, around 60% of enterprises will be phasing out their remote access VPN in the favor of ZTNA. What is ZTNA? It is a software defines perimeter service that provides secure and […]