A VLAN is L2, has a tag and can contain physical interfaces. Acts similar to a L2 switch. A Vlan interface is L3, has a tag that matches one of the VLANs and provides a point where an IP can be assigned and can participate in routing. An Ethernet interface can have subinterfaces with tags that match the VLANs.
Edit: Forgot, you don't actually have to decide now. VPLS although Layer 2 sits ontop of Layer 3 MPLS so if you wanted to create pseudowires between sites at any point for stuff like cross site HA or managing special routing instances e.g multicast, you can have your ISP add that functionality. One of the major differences between L2 and L3 VPN is the mechanism utilized to signal and set up the overlay network. L3VPN (RFC2547bis) would be extending the BGP protocol so as to allow PE’s for signaling which routes are available within which VPN’s. •Compulsory (access server inicira VPN vezu ) 5 py( ) • Voluntary (klijent inicira VPN vezu) • Po sloju rada: L1, L2, L3 • Po poverljivosti podataka – Trusted VPN – Secure VPN MPLS tehnologija •Klasičan IP ne može da pruži neke servise koji su vremenom postali znasu vremenom postali značajni za ozbiljneajni za ozbiljne One of the contrasts between L2 and L3 VPN is the mechanism used to signal and set up the overlay network. L3VPN (RFC2547bis) extends the BGP protocol to allow PE's to signal which routes are available within which VPN's. Using L2 vs. L3 on PE nodes Carries traffic across RFC2547 compatible L3 VPN. With aggregation IPv4 PIM-SSM/SM/Bidir in core (IPv4) RFC2547 BGP ; GRE encap/encap Sep 28, 2018 · L2 VPN. 2. Virtual channels and private VPN networks built on top of them are widespread and allow for solving most of a customer’s tasks. If a provider offers L2 VPN, it usually means the
Layer 2 MPLS VPNs, or VPLS (virtual private LAN service), offers a “switch in the cloud” style service. VPLS provides the ability to span VLANs between sites. L2 VPNs are typically used to route voice, video, and AMI traffic between substation and data center locations. Layer 3 VPN (VPRN)
One of the major differences between L2 and L3 VPN is the mechanism utilized to signal and set up the overlay network. L3VPN (RFC2547bis) would be extending the BGP protocol so as to allow PE’s for signaling which routes are available within which VPN’s. L2 and L3 VPN channels – the differences between physical L2 and L3 VPN channels – the differences between physical and virtual channels of different levels Nowadays, it’s funny to recall how people were expecting an apocalypse in 2000 anxiously. It didn’t happen then; however, another important event took place. L2VPN vs L3VPN : networking
Jun 02, 2020 · Complementing Jorge A. Valentin Davila's answer. In a layer 2 VPN, L2 frames (usually Ethernet) are transported between locations. In the more general case, it's similar to a cable connecting two switches in separate buildings.
May 08, 2018 Layer 2 vs Layer 3 VPN - Know the Difference (2020) - IP May 31, 2020