Layer 2 Network Extension

Also known as: L2 subnet extension, Subnet extension

⚠ Not yet verified against the source: this concept is not stated in these exact terms by the documents read. Check the sources below before relying on it.

Extension d'un sous-réseau au niveau 2 entre deux emplacements, par tunnel VPN ou VXLAN (VTEP). Les VM gardent leur adresse et continuent de se joindre de part et d'autre.