What are Types of VPN Access ? Explained with Examples

By | 9th November 2015

Types of VPN access:

Site-to-site VPNs and Remote-access VPNs

Site-to-Site VPNs

Site-to-site VPNs connect entire networks to each other, this means, site-to-site VPN can be used to  connect a branch or remote office network to a company headquarters network. Each site is equipped with a VPN gateway, such as a router, firewall, VPN concentrator, or security appliance.

In the figure below, a remote branch office uses a site-to-site-VPN to connect with the corporate head office.

A telecommuter hosts send and receive TCP/IP traffic through a VPN gateway, which could a router or a PIX firewall appliance.

The VPN gateway is responsible for encapsulating and encrypting all outbound traffic   from a particular site and sending it through a VPN tunnel over the Internet to a peer VPN gateway at the target site. On receipt, the peer VPN gateway strips the headers, decrypts the content, and relays the packet toward the target host inside its private network.




                                                       Site-to-Site VPN

Types of VPN Access




Remote Access VPN

Site by Site VPN

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