Ethernet-over-GRE (EoGRE)

Note: For more information about the GRE protocol, see Understanding the generic routing encapsulation protocol (GRE).

The current version of LCOS provides a number of "Ethernet over GRE" tunnels (EoGRE) to transmit Ethernet packets via GRE. Since these Ethernet packets move on OSI layer 2 only, the EoGRE tunnel only functions as a bridge.

This can be used to implement L2VPN (VPN as a simple level-2 bridge) or a transparent Ethernet bridge over WAN.

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