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EIGRP Link Bundle
Scenario: At your job, you’ve recently installed a new serial link to a neighboring site to perform equal-cost load balancing with EIGRP. However, your boss refuses to issue you another IP network for this link, and he forbids…
Read More »EIGRP Advanced
Scenario You’ve been a loyal Cisco employee your whole life and never thought OSPF was worth learning. Your boss wants to test your knowledge of EIGRP before offering you a promotion, though. He tells you that you have…
Read More »EIGRP Debug AS number
Scenario: One of your colleagues is on vacation and forgot to document the EIGRP topology before he left. You need to add another EIGRP router but you have no idea what the autonomous system (AS) number is of…
Read More »EIGRP Timers
Scenario: You are the network engineer for a fairly large international operating company. One of the trainees in the company is studying for his CCNA and decided to practice on some of the company routers. EIGRP is now…
Read More »EIGRP Summarization without Null0
Scenario: You are applying for a job as a senior network engineer at a large ISP. They heard you passed your CCIE so they want to test you by giving a topology with an EIGRP summarization question. Let’s…
Read More »EIGRP Summarization Leak-Map
Scenario: The movie industry is dominated by Holly- and Bollywood. Recently the two companies are creating movies together and using a shared network infrastructure. To make sure the routing tables of the EIGRP routes don’t grow too much…
Read More »EIGRP Router ID
Scenario: Your colleague asks for your help with a strange EIGRP problem. He redistributed a network into EIGRP but for some reason it doesn’t show up in the routing table of one of the routers. You verify the…
Read More »EIGRP Stub
Scenario: A major soccer team in the UK is running EIGRP on their internal network. One of your colleague network engineers noticed that there are quite some EIGRP routers sending query packets and sometimes routers get stuck-in-active. Since…
Read More »EIGRP Hybrid 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…
Read More »EIGRP Point-to-Point 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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