Allied Telesis UniDirectional Link Detection License

Keep critical Ethernet links honest with Allied Telesis UniDirectional Link Detection licensing for supported AT-GS924MX and AT-GS948MX switches. In environments where a one-way fiber or copper fault can leave a port appearing up while traffic silently fails, UDLD adds a layer of protection that helps operations teams identify broken link behavior before it turns into an outage. This is a single-license hardware entitlement, designed for targeted deployment on the supported switch models listed in the source data. It fits teams that need precise control over network behavior without overbuying broad feature bundles. For infrastructure groups responsible for access-layer resilience, the value is straightforward: faster fault isolation, clearer link-state validation, and fewer hidden failure modes across production switching. Use it where link reliability matters more than feature count. The licensing model is simple, the scope is specific, and the benefit is operational confidence on the ports that carry real workloads.