Episode 162 — DNS, VLAN/VXLAN, Proxies, MTU, QoS, and Time Sync Errors
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Episode 162 — DNS, VLAN/VXLAN, Proxies, MTU, QoS, and Time Sync Errors
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This episode looks at multi-layered networking issues that can disrupt cloud services. DNS errors may involve incorrect records, propagation delays, or misapplied DNSSEC settings. VLAN or VXLAN misconfigurations can isolate workloads unexpectedly. Proxy issues may break application access or degrade performance. MTU mismatches can cause dropped packets or failed connections, while incorrect QoS policies may throttle critical traffic. Time synchronization errors, if left unresolved, can cause authentication failures and logging inaccuracies.
We also cover tools and techniques for diagnosing each issue, from DNS dig commands to packet analysis and QoS policy reviews. For the Cloud+ exam, knowing how to pinpoint and resolve these network-layer problems is crucial for maintaining both availability and performance. Produced by BareMetalCyber.com, where you’ll find more cyber prepcasts, books, and information to strengthen your certification path.