Tag: ccie-rs
MQC Classification and Marking
Scenario: You are the VoIP specialist at the ISP you are working for. To ensure all VoIP traffic has enough bandwidth and low delay you have to implement some Quality of Service settings. It’s time to classify and…
Read More »Frame Relay DE Marking
Scenario: You are the owner of a small ISP company located in The Netherlands. Most of the equipment you have running is fairly old and you have multiple different serial links in use. Bandwidth is an issue and…
Read More »Link fragmentation and Interleaving for Multilink PPP
Scenario: Your VoIP network is a little problematic to say the least. VoIP calls sound choppy and users are complaining all over the place. You look into the datastreams and it seems large data frames are preventing VoIP…
Read More »TCP and RTP Header Compression
Scenario: You are responsible for the WAN links at the company you work for. Your routers have a very low CPU load and the serial interfaces you have are pretty slow. You decide one day to run TCP…
Read More »Payload Compression Serial Links
Scenario: You are the owner of a small ISP company located in The Netherlands. Most of the equipment you have running is fairly old and you have multiple different serial links in use. Bandwidth is an issue and…
Read More »BGP Allow AS In
Scenario: An international toy store company needs your help. They use BGP to exchange routing information between their sites but everytime one of their IBGP routers fails they have connectivity issues. Let’s see if you can help them…
Read More »BGP TTL Security
Scenario: After years of plumbing work you switched your career to become a network engineer. Besides being good at routing & switching you are very security-minded. One of your routers is connected to your brother’s network and you…
Read More »BGP Fast Fallover
Scenario: Kendrick and Scott are using BGP to exchange routing information. Unfortunately the link that connects both routers isn’t that reliable. Everytime it goes down it also tears down the BGP peering…let’s see if you can prevent that!…
Read More »BGP Timers
Scenario: You are a film producer and parttime network engineer. You use BGP to connect two sites to each other but you feel things are a little slow. Let’s see if you can tune up some of those…
Read More »BGP Remove Private AS
Scenario: The imperial museum corporation has many museums around the world. All networks are connected and BGP is used as the routing protocol. One of the autonomous systems is a transit AS and has two autonomous systems behind…
Read More »