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EIGRP Multipoint Bandwidth Pacing

Scenario: A large international ISP has hired you as one of their network engineers. The ISP still has a fairly large customer that is using an older frame-relay network. All of your colleagues are too busy working with…

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EIGRP over Frame-Relay with Multipoint interface

Scenario: A couple of stooge network engineers are trying to configure EIGRP over the frame-relay network. They read all about frame-relay, EIGRP and split-horizon and decided it sounded like a good idea to use sub-interface. Unfortunately things are…

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EIGRP over Frame-Relay with Sub-interfaces

Scenario: A couple of stooge network engineers are trying to configure EIGRP over the frame-relay network. They read all about frame-relay, EIGRP and split-horizon and decided it sounded like a good idea to use sub-interface. Unfortunately things are…

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EIGRP Authentication Rotating Key

Scenario: As the senior security officer you decide all routing protocols should be configured as secure as possible. The company you work for has a single vendor policy and since you only have Cisco equipment you are running…

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EIGRP IP Default Network

Scenario: As the network engineer for your Cisco-only network you run into a strange problem. Some of the routers have been replaced and have empty configs and per configuration template you need to configure EIGRP IP Default Network….

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EIGRP Summarization

Scenario: The owner of this network has been complaining about performance issues for awhile. You as the junior network engineer have just learned about summarization and the possible advantages this might bring to your network. It’s up to…

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EIGRP Split Horizon

Scenario: Jack and Joe both have important information to share with each other but they don’t have a direct connection between them. Tori agreed to help out and so they setup a Frame-Relay network to share information. EIGRP…

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EIGRP MD5 Authentication

Scenario: Ben and Jerry are running their business from the north pole and have an icy request for you. They would like you to setup EIGRP (Enhanced Interior Gateway Routing Protocol) and make sure that all network updates…

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EIGRP Stub Leak Map

Scenario: You are enjoying life as a lifeguard and parttime network administrator. Just like real life your routers cry out for help by sending queries whenever they have lost a certain network. You decide to implement EIGRP Stub…

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EIGRP Auto Summarization

Scenario: Working as a freelance network engineer you have some strange customers. One of them is a scatterbrain inventor who claims to work on a ‘world-changing’ machine. He has problems with his network and is currently unable to…

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