Network Stability Through Broadcast Storm Control in Loop Scenarios
When a network loop occurs, as illustrated between Switch 1 (SW 1) and Switch 2 (SW 2), there is a risk of broadcast traffic being multiplied, which can overload the switch's CPU and disrupt network operations.
Enabling Broadcast Storm Control on a port that participates in the loop — for example, port 9 on SW 1 — provides a safeguard by setting a threshold for broadcast, multicast, and DLF traffic. This control measure prevents the CPU of SW 1 from processing more broadcast traffic than it can handle, avoiding overutilization and potential network failure.
Regular traffic, such as communications from SW 1 to PC A, is not affected by this control and continues to flow normally. By doing so, Broadcast Storm Control allows vital network functions to proceed without interruption while containing the problematic loop traffic.
Zyxel Nami
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