Author: Rene Molenaar

René - CCIE #41726 is the creator of GNS3Vault.com where he shares CCNA, CCNP and CCIE R&S labs. He also blogs about networking on http://networklessons.com

BGP Route Reflectors

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Scenario: Company Veggie inc. is growing rapidly and the network needs to support the growing company. More routers are added every week and network engineers are complaining it takes too much time to setup BGP. Especially typing in…

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BGP IBGP/EBGP Local Preference MED

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Scenario: You are working for a company specialized in selling vegetables and fruit and responsible for the whole network. To reduce the risk of losing the connection to the Internet you decided to get another link to your…

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BGP Basic

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Scenario: You are responsible for the Internet connection of a company called “Wooden Shoe Corp”. Their main site is located in Amsterdam and is currently connected with a single connection to an ISP. Because the Internet connection is…

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OSPF over Frame-Relay

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Scenario: After successfully configuring the previous frame-relay lab you feel it’s time to try and run OSPF over this frame-relay link. OSPF knows many different network types and every type has a different solution, up to you to…

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OSPF Virtual Link and Summarization

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Scenario: The Company you are currently working for has recently bought a smaller organization and now needs to connect the 2 networks together. Company policy specifies that only OSPF can be used as a routing protocol and it’s…

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TCLSH Scripting

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Scenario: To make your life easier you decided to practice some TCLSH scripting skills, this will ensure it takes less time to ping. Goal: All IP addresses are preconfigured as specified in the topology picture. Ensure you can…

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Hot Standby Routing Protocol (HSRP)

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Scenario: Internet traffic is becoming more and more important since the company you are working for is focused on e-commerce. Every minute that their webservers running webshops are unavailable is causing profit loss. The company decided need a…

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OSPF Intermediate

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Scenario: As a network engineer you are familiar with the concepts of OSPF and single-area implementations, however you never tried to create a multi-area ospf configuration. You have heard about different area types like stubby, not so stubby…

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EIGRP Intermediate

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Scenario: You and a colleague network administrator were talking about the scalability and flapping network issues that you have encountered in the past. Especially the stories about EIGRP stuck-in-active make you shiver…On your network you are using EIGRP…

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Frame-Relay Basics

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Scenario As a CCNA candidate you are familiar with the concept of Frame-Relay, although you do not need to configure the Frame-Relay switch. Since you are working your way to becoming the ultimate networking Guru, you are prepared…

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