Why use Default Gateway?
Network Routing Fundamentals
Default routing — stub networks. Networks having only one output interface, all data going through a single exit. Instead of having many static routes connecting to remote networks — single output interface- single default is configured to match all routes. Routing protocol responsible for the creation, maintenance, update of a dynamic routing table. Static routing- all routing jobs have done manually by a network administrator.
Dynamic —least expensive routing process. It delivers and receives routing messages on router interfaces, information shared with other routers, swap routing information with others routes to find data about remote networks. Entries- network destination, network subnet mask-specifies range of IP addresses. Used for finding out the optimal route for sending network traffic. Cost of interface inversely proportional to the bandwidth of that interface- higher bandwidth, lower cost, low bandwidth, higher cost. If a router finds different paths with the same administrative distance value and metric value to a destination, load balance can happen.
For most routing protocols- route with least metric is taken as the best route. A protocol is a set of procedures that must be followed when transmitting or receiving data.
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It defines format, timing, sequence, error checking on the network. There are hundreds of protocols in use. Routing metrics — different parameters, operational environments- cost calculation for a given path. Bellman-Ford Algorithm- for adding total hops Intermediary routers , involved in reaching a destination. Path reliability, load, speed, latency, packet loss- inputs for calculating path cost in modern routing protocols. Differences between Static and Dynamic Routing.
Ip routing fundamentals pdf
Static for small networks- a college campus with a predictable number of users. Static —minimum bandwidth usage, laborious task to set up, tedious to maintain and troubleshoot.
Dynamic for large networks that keep changing, respond to change, easier to maintain, better for growth. Usually used in smaller networks — scalability reasons. Packet Tracer: Simulation software — simulates router, switch, networking equipments-helps reduce the cost of training. Help learners create own self-evaluated assignments to demonstrate networking concepts. Learners can learn to configure routers, switches from command line Packet Tracer provides visual drag and drop problem using networking devices.
Different routes in a destination network can be assigned different weights. Routes with same weight share traffic, Changing Administrative Distance in static routes. Dynamic Routing Protocols- dynamically discover network destinations. Link-State Routing Protocols — using sophisticated algorithms which maintain a complex database of internetwork topology. Hybrid has advantages of both distance vector and link state routing protocols, merges them into a new protocol.
Sends traditional distance vector updates containing information about networks plus the cost of reaching them. Routing protocols distribute routing information to all routers in a network.
Each router knows about all other routers in a connected network. It enables data packets to reach a destination faster. The IP Routing and Routing Protocols course can be learned by anyone with a basic knowledge of computers , computer networking basics, internet and a passion to learn. Today business and technological success depend on how data is transmitted fast along networks.
IP routing enables data to be transmitted via routers choosing the optimal path to a destination. It is useful for network engineers, network administrators, VOIP engineers, switching, router engineers to better their job prospects and career growth. The course enables learners to understand concept s related to routers, how to configure various protocols with a simulator, understand both static and dynamic routing among others.
EduCBA trains learners understand important concepts in routing and in configuring protocols. All learners who complete the modules in a particular course are eligible to get a course completion certificate from EduCBA.
Sportack, IP Routing Fundamentals | Pearson
This course is extremely beneficial for network administrators, managers, designers, project managers to further their career prospects. It is useful for engineers, system analysts and network technicians.
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IP routing- static and dynamic routing, routing protocols, configuring routing protocols, different types of protocols, routing metrics, static routing with packet tracer. Toggle navigation. Home Routing Fundamentals. Routing Fundamentals.
Lesson Topics 1. Routing Concept 2. Routing Table 3. Enterprise Routing 4. Static Routing 5. Dynamic Routing - RIP 01 6.
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Dynamic Routing-BGP. Quizzes Status.