Tag: qos
MQC Class-Based Weighted Fair Queueing
Scenario: As the senior network engineer you are always looking for methods to improve your network. To ensure all traffic in your network has a fair share of bandwidth you decide to implement class based weighted fair queueing…
Read More »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 »Frame Relay TCP and RTP compression
Scenario You are working at a frame relay provider as the senior network engineer. One of your customers has two PVCs and they are running a lot of TCP and RTP sessions through your frame relay network. The…
Read More »Frame Relay Broadcast Queue
Scenario Jack and Emma are using frame relay but it seems there is so much broadcast traffic that the link is experiencing congestion. You need to make sure this will not happen in the future without using QoS…
Read More »Frame Relay End to End Keepalive
Scenario Jack and Emma are using frame relay for their network but it seems there are some problems with LMI. Frame relay is being used at router Jack and Emma but they are not directly connected but through…
Read More »WFQ Weighted Fair Queueing
Scenario: Ada and Silver are using the network for a range of applications like FTP, HTTP, TELNET and more. Recently there have been some complaints about slow network performance and it’s up to you to make sure each…
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