Stream of Knowledge

  BGP Routing Protocol Practice Lab 01 Lab 1: MED and AS-Path Prepend Basic configuration R1: interface Loopback0 ip address 1.1.1.1 255.255.255.255 ! interface FastEthernet0/0  ip address 150.1.1.1 255.255.255.0  no shut ! interface Serial0/0 ip address 10.0.0.1 255.255.255.252 no shut R2: interface Loopback0 ip address 2.2.2.2 255.255.255.255 ! interface Loopback192 ip address 192.1.1.1 255.255.255.0 ! interface Loopback193 ip address 193.1.1.1 255.255.255.0 ! interface Loopback194 ip address 194.1.1.1 255.255.255.0 ! interface Loopback195 ip address 195.1.1.1 255.255.255.0 ! interface Serial0/0 ip address 10.0.0.2 255.255.255.252 no shut ! interface Serial0/1 ip address 10.0.0.9 255.255.255.252 no shut R3: interface Loopback0 ip address 3.3.3.3 255.255.255.255 ! interface FastEthernet0/0 ip address 150.3.3.3 255.255.255.0 no shut ! interface Serial0/1 ip address 10.0.0.10 255.255.255.252 no shut ! interface Serial0/2 ip address 10.0.0.13 255.255.255.252 no shut !...

  Cisco SD-WAN Overlay Management Protocol (OMP): A Comprehensive Guide Cisco SD-WAN Overlay Management Protocol (OMP): A Comprehensive Guide Cisco SD-WAN has revolutionized modern networking by offering scalable and intelligent network management solutions. A key component that drives the Cisco SD-WAN architecture is the Overlay Management Protocol (OMP) . This protocol plays a crucial role in establishing and maintaining the SD-WAN control plane, ensuring seamless communication across the network. What is OMP in Cisco SD-WAN? OMP is a TCP-based protocol, much like BGP, that enables communication between Cisco vEdge routers and vSmart controllers. It is responsible for managing the following critical functions: Transport Locator (TLOC) Distribution: Shares TLOC information across SD-WAN sites. Helps in route reachability by defining WAN transport characteristics. Service-Side Reachability: Distributes routing information from local interfaces, static routes, and dynamic protocols ...

 Cisco SD-WAN revolutionizes network management by decoupling the control and management planes from WAN edge routers, centralizing them in software-based controllers. This architectural shift improves security, availability, and scalability, making Cisco SD-WAN a preferred choice for managing large and distributed networks. In this blog post, we’ll explore the roles of vEdge routers and the SD-WAN controllers, namely vSmart, vManage, and vBond, each of which interacts with WAN edge devices in unique ways to ensure secure, streamlined, and reliable control connections. Control Connections and Security Protocols Each vEdge router establishes secure control connections to SD-WAN controllers using DTLS or TLS protocols. DTLS, which operates over UDP, is the default protocol due to its efficiency and speed, while TLS, running over TCP, provides slightly enhanced reliability. These protocols create secured tunnels that shield the control plane protocols (such as OMP, NETCONF, and SNMP) ...

In this blog post, we dive deep into the art of subnetting IPv4 addresses, a crucial skill for network administrators and engineers. We start with the fundamentals of subnetting, explaining how IP addresses are divided into network and host portions. The post includes a variety of practice questions, each accompanied by detailed explanations to help you master the concepts. Whether you're preparing for certification exams or just brushing up on your skills, this guide will provide you with the knowledge and confidence you need to tackle subnetting challenges. #Subnetting #IPv4 #Networking #IP Addressing #CCNA #Network Administration #IT_Certification #Practice Questions #NetworkEngineering #Subnetting #Explained (Solutions Provided at End) Question #1 What is the range of assignable IP addresses for a subnet containing an IP address of 172.16.1.10 /19? a. 172.16.0.1 – 172.16.31.254 b. 172.16.0.1 – 172.16.63.254 c. 172.16.0.0 – 172.16.31.255 d. 172.16.0...

  Question: What is the purpose of the Spanning Tree Protocol (STP)? Answer: The purpose of the Spanning Tree Protocol (STP) is to prevent loops in a network. STP is used in Ethernet networks to ensure that there is only one active path between two endpoints. This helps to prevent the occurrence of broadcast storms, which can cause significant network downtime. STP accomplishes this by using a calculation algorithm to determine the best path to take, and then disabling any redundant paths. Question: What is the difference between a switch and a router? Answer: A switch is a networking device that connects devices together on a local area network (LAN). It operates at the data link layer (layer 2) of the OSI model and is responsible for forwarding data frames between connected devices. A router, on the other hand, operates at the network layer (layer 3) of the OSI model and is responsible for forwarding packets between different networks. In addition to its forwarding capabilities, ...