Virtual Private LAN Services
7210 SAS M Services Guide Page 445
• For dot1q/qinq encapsulations, traffic encapsulated with VLAN tags for which there is no 
definition is discarded.
• Note that any VLAN tag used for service selection on the I-SAP is stripped before the 
PBB encapsulation is added. Appropriate VLAN tags are added at the remote PBB PE 
when sending the packet out on the egress SAP.