Virtual Private LAN Services
7210 SAS-X, R6 OS Services Guide Page 579
• 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.