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Wael Osama

Spanning Tree the problem and the solution

Spanning tree protocol or STP is used to provide redundant links in the network while preventing the danger of bridging loops. Our network below has two switches connected to each other by two FastEthernet links for redundancy. In such setups STP is essential to avoid bridging loops. The Problem:How bridging …

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Etherchannel load balancing case study

Etherchannel is a very effective feature that provides redundancy and load distribution within your switching network. However failing to choose the right load distribution algorithm my leave you under utilizing your network resources. We are going to analyze how to select the load balancing method based on placement of switch …

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How-to:Configure BGP aggregation Part2

In the first post we explored the basic configuration of BGP route aggregation with and without the summary-only keyword. In todays post our task is to explore the suppress-map keyword using the same topology used in the first post. “please refer Part1 or the series for R1&R2 configuration and network …

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What is: extended VLAN range?

Extended VLANs are VLANs within the range of 1006 to 4094. They are mainly used in service provider networks to allow the provisioning of number of customers. In order to configure an extended VLAN you have to follow the guideline below: Extended VLANs are used just like normal VLANs; only …

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