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Point-to-Point Layer 2 Connection Between Sites in Different
Cities
Point-to-Point Layer 2 Connection Between Sites in Different
Cities
VLL technology enables Layer 2 protocol data units (L2PDUs) to
traverse a carrier network without being changed. Sites in different
cities can use this technology to set up P2P Layer 2 interconnection
and communicate as if they were on a LAN.
Figure 10-15 P2P Layer 2 interconnection between sites in different cities