A basic understanding of VRFs is necessary in order to move then ISP services like MPLS VPNs. VRFs is also used in situation where BGP and MPLS are not used, the method is called VRF-Lite. What is a VRF ? … Continue reading
Metro Ethernet LAN Services Overview Multiple services can be implemented and offered by ISPs for the MAN connectivity. Services can be Layer 1 to Layer 3 based and operates as P2P or P2M. The following pictures resumes the deployment options … Continue reading
Concepts and usage To understand the concept behind PVLANs, the concept of regular VLANs need to be understood. VLANs are a simple way to create different Ethernet segments on the top on one unique physical infrastructure. The main goal was … Continue reading