Functions of a Router

Software-defined networking (SDN) represents a new structure of computer network that simplifies and improves network management by splitting the control plane and data plane. Since SDN is regarded as a new research issue, the application of SDN in practice faces some barriers. Most network devices such as routers and switches that implement SDN functionalities are expensive. An alternative solution in SDN research and experiments is to use network emulators. By using Mininet, an open source network emulator, this study simulates SDN implementations in different environments.

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Objective: Identify organizations responsible for WAN standards Explain the difference between a WAN and LAN and the type of addresses each uses; describe the role of a router in a WAN Identify internal components of the router and describe their functions; describe the physical characteristics of the router.

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This chapter describe the primary functions and features of a router, explain how routers use information in data packets to make forwarding decisions in a small to medium-sized business network, explain the encapsulation and de-encapsulation process used by routers when switching packets between interfaces,...

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Upon completing this lesson, you will be able to: Describe the features and operation of NAT on Cisco routers Use Cisco IOS commands to configure NAT, given a functioning router Use show commands to identify anomalies in the NAT configuration, given an operational router Use debug commands to identify events and anomalies in the NAT configuration, given an operational router

21p trinhvang 25-01-2013 59 7   Download

Upon completing this lesson, you will be able to: Describe the features and operation of OSPF Use Cisco IOS commands to configure dynamic routing for a single area OSPF network, given a functioning router Use show and debug commands to identify anomalies in dynamic routing operation using OSPF, given an operational router

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Upon completing this lesson, you will be able to: Describe the features and operation of EIGRP Use Cisco IOS commands to configure dynamic routing using EIGRP, given a functioning router Use show and debug commands to identify anomalies in dynamic routing operation using EIGRP, given an operational router

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Upon completing this lesson, you will be able to: Describe the features and operation of IGRP Use Cisco IOS commands to configure dynamic routing using IGRP, given a functioning router Use show and debug commands to identify anomalies in dynamic routing operation using IGRP, given an operational router

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Upon completing this lesson, you will be able to: Describe the features and operation of RIP Use Cisco IOS commands to configure dynamic routing using RIP, given a functioning router Use show and debug commands to identify anomalies in dynamic routing operation using RIP, given an operational router

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Upon completing this lesson, you will be able to: Describe the features and operation of static routing Describe the features and operation of dynamic routing protocols, including RIP, IGRP, EIGRP, and OSPF Build a functional router configuration to support the specified network operational requirements, given a network design Use show commands to identify anomalies in routing operation, given an operational router Use debug commands to identify events and anomalies in routing operation, given an operational router...

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Upon completing this lesson, you will be able to: Use the CLI to interact with the Cisco IOS software, given an operational router Verify the default configuration of the device, given a functioning router Complete the initial device configuration, given a functioning router Configure IP addresses and IP subnet masks on router interfaces, given a functioning router

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Upon completing this module, you will be able to: Use the available configuration tools to establish connectivity to the appropriate network device in order to complete the initial device configuration Verify the default configuration of each device, given a functioning access layer switch and router

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Networking Hardware Identify the functions of LAN connectivity hardware Install and configure a NIC (Network Interface Card) Identify problems associated with connectivity hardware Describe the factors involved in choosing a NIC, hub, switch, or router Discuss the functions of repeaters, hubs, bridges, switches, routers, and gateways, and the OSI Model layers at which they operate Describe the use and types of routing protocols

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Linksys makes a number of broadband routers (with basic firewall functionality) and broadband firewalls

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Many broadband routers and firewalls function primarily through the use of Network Address Translation (NAT) to hide the internal systems behind a single external IP address.

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