> # Enabling Full Zone Set Distribution

> All switches in the Cisco MDS 9000 Family distribute active zone sets when new E port links come up or when a new zone set is activated in a VSAN. The zone set distribution takes effect while sending merge requests to the adjacent switch or while activating a zone set.

> ## Detailed Steps

> To enable full zone set and active zone set distribution to all switches on a per-VSAN basis, follow these steps:

> 1. Expand a VSAN and select a zone set in the Logical Domains pane.

> You see the zone set configuration in the Information pane. The Active Zones tab is the default.

> 2. Click the Policies tab.

> You see the configured policies for the zone.

> 3. In the Propagation column, choose fullZoneset from the drop-down menu.
> 4. Click Apply Changes to propagate the full zone set.

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