Operation for Tunneling Ethernet
Step 1
A sends a packet for B
Step 2
RA encapsulates the Ethernet frame with a L2TPv3 Tunnel header and an IPv4 delivery header
Step 3
IGP routes the L2TPv3 packet to destination
Step 4
RB removes the IP/L2TPv3 Header and forward it to B
RA
RB
Step 5
B receives the packet
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