Prioritizing VoIP and Limiting Guest Wi‑Fi with pfSense Traffic Shaper
Learn how to use pfSense’s Limiter (ALTQ/HFSC) to cap guest‑network bandwidth while giving VoIP traffic priority, with a step‑by‑step example and verification steps.
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Learn how to use pfSense’s Limiter (ALTQ/HFSC) to cap guest‑network bandwidth while giving VoIP traffic priority, with a step‑by‑step example and verification steps.
pfSense exposes FreeBSD dummynet through the Traffic Shaper interface, where administrators create named limiters and attach them to pass rules to cap throughput on low-bandwidth links. The goal is to avoid overprovisioned hardware by enforcing a software ceiling, but only when the resulting fairness behavior is predictable. When a limiter is applied to a pa