Routing ROUTING Routing Notes | EduRev
: Routing ROUTING Routing Notes | EduRev
Page 1 Routing ROUTING Page 2 Routing ROUTING Router A router is a device that determines the next network point to which a packet should be forwarded toward its destination Allow different networks to communicate with each other A router creates and maintain a table of the available routes and their conditions and uses this information to determine the best route for a given packet. A packet will travel through a number of network points with routers before arriving at its destination. There can be multiple routes defined. The route with a lower weight/metric will be tried first. Routing Page 3 Routing ROUTING Router A router is a device that determines the next network point to which a packet should be forwarded toward its destination Allow different networks to communicate with each other A router creates and maintain a table of the available routes and their conditions and uses this information to determine the best route for a given packet. A packet will travel through a number of network points with routers before arriving at its destination. There can be multiple routes defined. The route with a lower weight/metric will be tried first. Routing Routing Routing Page 4 Routing ROUTING Router A router is a device that determines the next network point to which a packet should be forwarded toward its destination Allow different networks to communicate with each other A router creates and maintain a table of the available routes and their conditions and uses this information to determine the best route for a given packet. A packet will travel through a number of network points with routers before arriving at its destination. There can be multiple routes defined. The route with a lower weight/metric will be tried first. Routing Routing Routing Routing Protocols Static Routing Dynamic Routing IGP (Interior Gateway Protocol): Route data within an Autonomous System RIP (Routing Information Protocol) RIP-2 (RIP Version 2) OSPF (Open Shortest Path First) IGRP (Interior Gateway Routing Protocol) EIGRP (Enhanced Interior Gateway Routing Protocol) IS-IS EGP (Exterior Gateway Protocol): Route data between Autonomous Systems BGP (Border Gateway Protocol) Routing Page 5 Routing ROUTING Router A router is a device that determines the next network point to which a packet should be forwarded toward its destination Allow different networks to communicate with each other A router creates and maintain a table of the available routes and their conditions and uses this information to determine the best route for a given packet. A packet will travel through a number of network points with routers before arriving at its destination. There can be multiple routes defined. The route with a lower weight/metric will be tried first. Routing Routing Routing Routing Protocols Static Routing Dynamic Routing IGP (Interior Gateway Protocol): Route data within an Autonomous System RIP (Routing Information Protocol) RIP-2 (RIP Version 2) OSPF (Open Shortest Path First) IGRP (Interior Gateway Routing Protocol) EIGRP (Enhanced Interior Gateway Routing Protocol) IS-IS EGP (Exterior Gateway Protocol): Route data between Autonomous Systems BGP (Border Gateway Protocol) Routing Internetworking Devices Internetworking Devices Device Description Hub Hubs are used to connect multiple users to a single physical device, which connects to the network. Hubs and concentrators act as repeaters by regenerating the signal as it passes through them. Bridge Bridges are used to logically separate network segments within the same network. They operate at the OSI data link layer (Layer 2) and are independent of higher-layer protocols. Switch Switches are similar to bridges but usually have more ports. Switches provide a unique network segment on each port, thereby separating collision domains. Today, network designers are replacing hubs in their wiring closets with switches to increase their network performance and bandwidth while protecting their existing wiring investments. Router Routers separate broadcast domains and are used to connect different networks. Routers direct network traffic based on the destination network layer address (Layer 3) rather than the workstation data link layer or MAC address.Read More
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