University of Khartoum

Default & Static Routes and Routing Information Protocol

Default & Static Routes and Routing Information Protocol

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Title: Default & Static Routes and Routing Information Protocol
Author: خوجلى, محمد حماد; Hamad, Mohammed
Abstract: When a device has multiple paths to reach a destination, it always selects one path by preferring it over others. This selection process is termed as Routing. Routing is done by special network devices called routers, a router is always configured with some default route. A default route tells the router where to forward a packet if there is no route found for specific destination, in case there are multiple path existing to reach the same destination, router can make decision based on the metrics used in IP routing protocols : ■ Hop count - A simple metric that counts the number of routers a packet must traverse ■ Bandwidth - Influences path selection by preferring the path with the highest bandwidth ■ Load - Considers the traffic utilization of a certain link ■ Delay - Considers the time a packet takes to traverse a path ■ Reliability - Assesses the probability of a link failure, calculated from the interface error count or previous link failures ■ Cost - A value determined either by the IOS or by the network administrator to indicate preference for a route. Cost can represent a metric, a combination of metrics or a policy. Routes can be statically configured or dynamically learnt. One route can be configured to be preferred over others.
URI: http://khartoumspace.uofk.edu/123456789/23243
Date: 2016


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