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The process of setting up an L2TP/IPsec VPN is as follows: Negotiation of IPsec security association (SA), typically through Internet key exchange (IKE). This is carried out over UDP port 500, and commonly uses either a shared password (so-called "pre-shared keys"), public keys, or X.509 certificates on both ends, although other keying methods ...
L2TPv3 can be regarded as being to MPLS what IP is to ATM: a simplified version of the same concept, with much of the same benefit achieved at a fraction of the effort, at the cost of losing some technical features considered less important in the market.
VPLS is a virtual private network (VPN) technology. In contrast to L2TPv3, which allows only point-to-point layer 2 tunnels, VPLS allows any-to-any (multipoint) connectivity. In a VPLS, the local area network (LAN) at each site is extended to the edge of the provider network.
A .pcf file can be profile configuration file or a configuration file for setting the client parameters in a virtual private network.The file is in INI file format and contains information about a VPN connection which is necessary for the client software, such as the username, password, tunneling port, DNS settings.
Vyatta is also delivered as a virtual machine file and can provide (vRouter, vFirewall, VPN) functionality for Xen, VMware, KVM, Rackspace, [1] SoftLayer, [2] and Amazon EC2 virtual and cloud computing environments. As of October, 2012, Vyatta has also been available through Amazon Marketplace and can be purchased as a service to provide VPN ...
DMVPN is initially configured to build out a hub-and-spoke network by statically configuring the hubs (VPN headends) on the spokes, no change in the configuration on the hub is required to accept new spokes. Using this initial hub-and-spoke network, tunnels between spokes can be dynamically built on demand (dynamic-mesh) without additional ...
OpenVPN is not compatible with VPN clients that use the IPsec over L2TP or PPTP protocols. The entire package consists of one binary for both client and server connections, an optional configuration file, and one or more key files depending on the authentication method used.
Initial connection to the VPN server via TLS; Authentication phase via HTTPS (using HTML forms, client certificates, XML, etc.) Server-provided routing configuration, in a protocol-agnostic format, which can be processed by a vpnc-script; Data transport phase via a UDP-based tunnel (DTLS or ESP), with fallback to a TLS-based tunnel