6.2. VLAN Bundle Service Interface

6.2. VLAN Bundle Service Interface

With this service interface, an EVPN instance corresponds to multiple broadcast domains (e.g., multiple VLANs); however, only a single bridge table is maintained per MAC-VRF, which means multiple VLANs share the same bridge table. This implies that MAC addresses MUST be unique across all VLANs for that EVI in order for this service to work. In other words, there is a many-to-one mapping between VLANs and a MAC-VRF, and the MAC-VRF consists of a single bridge table. Furthermore, a single VLAN must be represented by a single VID - e.g., no VID translation is allowed for this service interface type. The MPLS-encapsulated frames MUST remain tagged with the originating VID. Tag translation is NOT permitted. The Ethernet Tag ID in all EVPN routes MUST be set to 0.