Ethernet encapsulation

• Ingress device strips the Ethernet preamble and CRC, but transports the entire header

• Control word is not used

• 802.1q VLAN ID may be overwritten at egress

Tunnel

label

VC

label

4 octets

4 octets

Ethernet

header

Ethernet

payload

payload

DA

SA

T

FCS

Ethernet frame

Ethernet over MPLS

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