What methods help routing broadcast storms on large LAN infrastructures?

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What methods help routing broadcast storms on large LAN infrastructures?

Asked on Oct 20, 2025

Answer

Broadcast storms in large LAN infrastructures can severely impact network performance, but they can be mitigated using several methods. Key strategies include implementing VLANs to segment broadcast domains, using Layer 3 switches to route between VLANs, and employing protocols like Spanning Tree Protocol (STP) to prevent loops that can exacerbate broadcast storms.

Example Concept: VLANs are used to segment a large LAN into smaller, manageable broadcast domains, reducing the scope of broadcast traffic. By assigning different VLANs to different segments of the network, broadcasts are contained within each VLAN, minimizing the risk of a broadcast storm affecting the entire network. Additionally, STP helps prevent network loops that can lead to broadcast storms by ensuring there is only one active path between switches.

Additional Comment:

Implementing VLANs can also enhance security by isolating sensitive traffic.
Regularly review and optimize VLAN configurations to ensure efficient broadcast containment.
Ensure STP is correctly configured to prevent loops and maintain network stability.
Consider using storm control features available on modern switches to limit broadcast traffic.

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