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What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-t

Posted: Thu Jul 21, 2022 9:54 pm
by answerhappygod
What happens when a packet without a VLAN tag is received on a SAP provisioned with null encapsulation while an SDP vc-type is provisioned as vlan?

A. The frame is dropped.
B. The service ID is added as the VLAN tag.
C. A VLAN tag of 0 is added as the provider VLAN tag
D. The frame is forwarded with no VLAN tag