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Q1. What are OSPF packets? What do they do? Answer: There are 5 OSPF packets: Hello: Discover neighbors. DD (Data Description): Exchange LSDB catalog (LSA headers). Request: Ask neighbor to send LSA that I don't have. Update: Send LSA requested by neighbors. Ack: Tell Update sending router that I have … |
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OSPF is a complex protocol. To help beginners grasp abstract its concepts, a different approach is taken -- Visualizing OSPF simulation. This tutorial, OSPF basic, simulates the basic OSPF activities on a simple topology: H1-R1-R2-H2. R1 and R2 are routers. H1 and H2 are hosts. This simulation shows 4 stages: … |