1. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Agenda Instructor introduction 1. Introduction toEldarin 2. Switching review 3. Switching certificate 4. CCNPSP and CCNPRS

2. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Course Topic CCNPRS&CCNPSP-route Basic Network and Routing Concepts EIGRP Implementation OSPF Implementation ISIS Manipulating Routing Updates Path Control Implementation IOSXR route distribution Enterprise Internet Connectivity BGP Implementation Routers and Routing Protocol Hardening

3. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Basic Network and Routing Concepts Enterprise Network Infrastructure Ospf,EIGRP Ospf,EIGRP,RIPv2 Static,BGP

4. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Choosing a of Dynamic Routing Protocols Input requirements: Size of network Multivendor support Knowledge level of specific protocol Protocol characteristics: Type of routing algorithm Speed of convergence Scalability

5. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir IGP versus EGP An autonomous system (AS) represents a collection of network devices under a common administrator. Typical examples of an AS are an internal network of an enterprise or a network infrastructure of an ISP. Interior Gateway Protocols (IGP): support small, medium-sized, and large organizations, but their scalability has its limits. The protocols can offer very fast convergence, and basic functionality is not complex to configure Exterior Gateway Protocols (EGP): The main function of BGP is to exchange a huge number of routes between different autonomous systems that are part of the largest network (the Internet).

6. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Types of Routing Protocols Distance vector protocols: Distance vector routing protocols do not have an actual map of the network topology RIP&EIGRP Link-state protocols: uses the Shortest Path First (SPF) having a complete map of the network topology. OSPF and IS-IS protocols Path vector protocols: The path vector routing approach not only exchanges information about the existence of destination networks but also exchanges the path on how to reach the destination.

7. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Convergence the process of when routers notice change in the network, exchange the information about the change, and perform necessary calculations to reevaluate the best routes. Speed of convergence can be influenced by several factors 1-choice of routing protocol. 2-fine-tune timers that are used by routing protocols But it also introduce greater protocol overhead or higher utilization on less powerful platforms. 3- configure route summarization

8. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Route Summarization reduce routing overhead and improve stability and scalability of routing by reducing the amount of routing information that is maintained and exchanged between routers. reduces the number of updates that needs to be exchanged between these two routers. Distance vector protocols support route summarization configuration on each outbound interface link-state protocols support summarization only at area boundaries. route summarization efficiently, IP addresses must be hierarchically

9. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Route Protocol Scalability Scalability describes the ability of a routing protocol to support further network growth Number of routes Number of adjacent neighbors Number of routers in the network Network design Frequency of changes Available resources (CPU and memory) Hierarchical addressing, route summarization Routing protocol OSPF, for example, supports the use of hierarchical areas EIGRP the configuration of stub routers to optimize information exchange process and improve scalability.

10. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Traffic Types Unicast: Multicast: Broadcast: Anycast: assigned to an interface on more than one node

11. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Any questions ?

12. © 2015 Mohamed Samir YouTube channel All rights reserved. www.mohamedsamir.comMohamed Samir Thank you for your time ! شكرا جزاكم الله خير