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    What leads to suboptimal routing when MED values differ across providers?

    Asked on Friday, Nov 21, 2025

    Suboptimal routing can occur when Multi-Exit Discriminator (MED) values differ across providers because BGP uses MED to influence the preferred path for incoming traffic, but MED is not always compare…

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    How can NetFlow help expose bandwidth abuse on internal networks?

    Asked on Thursday, Nov 20, 2025

    NetFlow is a network protocol developed by Cisco that collects IP traffic information as it enters or exits an interface, providing valuable insights into bandwidth usage and potential abuse. By analy…

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    What conditions cause route flapping in unstable provider circuits?

    Asked on Wednesday, Nov 19, 2025

    Route flapping occurs when a network route becomes intermittently available and unavailable, often due to unstable provider circuits, causing frequent route updates. This instability can be triggered …

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    How does split-horizon DNS work in hybrid on-prem and cloud networks?

    Asked on Tuesday, Nov 18, 2025

    Split-horizon DNS, also known as split-view or split-brain DNS, is a method used to provide different DNS responses based on the origin of the DNS query, which is particularly useful in hybrid on-prem…

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