3 Enabling VLAN-Stacking for a VLAN.Related Configuration Tasks• Configuring the Protocol Type Value for the Outer VLAN Tag• Configuring Dell Networking OS Options for Trunk Ports• Debugging VLAN Stacking• VLAN Stacking in Multi-Vendor NetworksCreating Access and Trunk PortsTo create access and trunk ports, use the following commands.• Access port — a port on the service provider edge that directly connects to the customer. An access port may belong to only oneservice provider VLAN.• Trunk port — a port on a service provider bridge that connects to another service provider bridge and is a member of multiple serviceprovider VLANs.Physical ports and port-channels can be access or trunk ports.1 Assign the role of access port to a Layer 2 port on a provider bridge that is connected to a customer.INTERFACE modevlan-stack access2 Assign the role of trunk port to a Layer 2 port on a provider bridge that is connected to another provider bridge.INTERFACE modevlan-stack trunk3 Assign all access ports and trunk ports to service provider VLANs.INTERFACE VLAN modememberExample of Displaying the VLAN-Stack Configuration for a SwitchportTo display the VLAN-Stacking configuration for a switchport, use the show config command from INTERFACE mode.Dell#show run interface tengigabitEthernet 1/1/1/1!interface TenGigabitEthernet 1/1/1/1no ip addressswitchportvlan-stack accessno shutdownDell#show run interface tengigabitEthernet 1/1/2/1!interface TenGigabitEthernet 1/1/2/1no ip addressswitchportvlan-stack trunkno shutdown764 Service Provider Bridging
