BGP Confederations
Scenario: You are the senior network engineer working for the federation of planets. BGP was developed on earth but is heavily used between planets as well. The network is expected to grow and to make you don’t go…
Read More »BGP Route Reflectors and Clusters
Scenario: As the senior network engineer for a large international company you are always trying to optimize your network and get the most out of your time. The network has a lot of IBGP routers and you got…
Read More »OSPF Summarization Discard Route
Scenario: Ever since you encountered a router your quest has been to become a succesful network engineer. Your career is prosperous and there isn’t a bit that you haven’t slain before. This time however you are running into…
Read More »OSPF Suppress Forward Address
Scenario: You are the senior network engineer for a company that runs the show “Two and a half Router”. To increase OSPF performance your colleague has implemented a NSSA area and some prefix filters. Strangely enough you now…
Read More »OSPF NSSA LSA Type 7 to 5 Translator Election
Scenario: You run a company that sells Virtual Worlds for gamers. The network you are using is running on OSPF and one of the areas is a NSSA. At the moment you are not sure which router is…
Read More »OSPF MD5 Authentication Rotating Key
Scenario: You work for the government as a contracted network engineer. They want you to improve their OSPF security. Instead of using a single key for all routers they want to ensure each OSPF neighbor adjacency has a…
Read More »OSPF Flood Reduction
Scenario: You live on a tropical island and work as a network engineer and scientist. After years of study you have discovered a formula so you do not age anymore. Unfortunately your network is running OSPF and LSAs…
Read More »OSPF Demand Circuit
Scenario: Living on a tropical island isn’t all that bad. You run a small network used to order cocktails at the Coconut Bar so they are delivered at Palm beach. Unfortunately the links you are using are leased…
Read More »OSPF Capability Transit Troubleshooting
Scenario: After months of hard work, studying and doing labs you have the feeling you truly know how routing protocols work. Your boss decides to upgrade your salary and your title from Trainee to Junior network engineer and…
Read More »OSPF per Neighbor Cost
Scenario: The local fish trading market needs your help with their OSPF network. It seems their routers are unable to change the bandwidth or cost on the interfaces so you need to use another solution to influence OSPF…
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