Dell PowerConnect 5224 System User's Manual page 55

4. For each of the three wiring-closet switches, ensure that GVRP is enabled globally in the VLAN/GVRP page.
5. For each of the three wiring-closet switches, ensure that GVRP is disabled for each port in the VLAN/Port Settings page.
6. For the core switch, ensure that GVRP is enabled globally in the VLAN/GVRP page, as well as on ports connecting to the wiring-closet switches in the
VLAN/Port Settings page.
With GVRP enabled on the wiring closet switches, GVRP advertisements for the configured static VLANs are sent to the core switch. When the core switch
receives the advertisements, it dynamically creates the VLANs and places the receiving ports in these VLANs.
The GVRP port settings on the wiring-closet switches need to be set to disabled. This setting prevents these switches from dynamically creating other VLANs,
or adding port members to the existing static VLANs. The global GVRP switch setting still enables the static VLANs to be advertised to the rest of the network.
For example, users attached to Switch 3 have access to VLANs 11 and 22, but not to VLAN 33. VLAN 33 cannot be created on Switch 3, even though
advertisements are received on Port 1 from other switches in the network.
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