Tag: ccna-rs
OSPF DR BDR Election
Scenario: You end up working as one of the network engineers for a nuclear powerplant located in a cartoony looking town. OSPF is being used as the IGP routing protocol but there have been some problems with the…
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 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 »Floating Static Routes
Scenario: While you are drifting on a inflatable bed at your swimming pool you fall asleep and dream about floating static routes. There’s this issue at work you couldn’t solve but sometimes the best ideas arrive in your…
Read More »Longest Prefix Match Routing
Scenario: The local matchstick factory needs your help. They added another link between their routers but now everything is being load balanced between the serial and FastEthernet interface. They want to make sure everything is sent down the…
Read More »Frame Relay Multipoint Subinterface
Scenario Most toons from the fairy tale forest have switched their career to become network engineers. Cinderella has been trying to reach Hansel and Gretel through the frame relay network but hasn’t had any luck. Think you can…
Read More »Frame Relay Point to Point Subinterface
Scenario Most toons from the fairy tale forest have switched their career to become network engineers. Cinderella has been trying to reach Hansel and Gretel through the frame relay network but hasn’t had any luck. Think you can…
Read More »Frame Relay Static Mapping
Scenario Jack and Emma are using an old frame-relay switch to connect their routers. Unfortunately they are unable to get any connection. Think you can help them out? Goal: All IP addresses have been preconfigured for you. Disable…
Read More »Frame Relay Inverse ARP
Scenario Jack and Emma are using an old frame-relay switch to connect their routers. Unfortunately they are unable to get any connection. Think you can help them out? Goal: All IP addresses have been preconfigured for you. Configure…
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