The access SAPs that specify VLAN range values using connection profile (also known as dot1q range SAPs) are allowed in Epipe service and in VPLS service. For more information about functionality supported, see VLAN range SAPs feature support and restrictions. The system allows only one range SAP in an Epipe service, and it fails any attempt to configure more than one. Range SAPs can only be configured on access ports. The other endpoint in the Epipe service has to be a Q.* SAP in access-uplink mode. The processing and forwarding behavior for packets received on range SAPs are listed as follows:
No VLAN tags are removed/stripped on ingress of an access dot1q SAP configured to use VLAN ranges. A single tag (Q1) is added to the frame when it is forwarded out of the Q1.* access-uplink SAP.
When a packet is received on the access-uplink Q1.* SAP, the outermost tag is removed and the packet is forwarded out of the access dot1q range SAP. The system does not check if the inner VLAN tag matches the VLANs IDs (both range and individual values specified in the connection profile) of the dot1q access SAPs configured in the service.
The dot1q range SAP can be supported in a service with svc-sap-type set to dot1q-range.