Tag archive: VPN

Generic Route Encapsulation enables us bulding point to point tunnels. There are 2 kinds of tunnels GRE over IPSEC and IPSEC over GRE. They both work in tunnel mode by default but as we see in a while, work in completely different way.

There are two kinds of remote access which you may use in order to provide remote access for teleworkers in your company, namely IPSec and SSL. Both of them are reliable, secure and work very well but … there is always the catch. Based on one simple example of live, let me familiar you with advantages of…

There are 2 kinds of VPN IPSEC tunnels : Policy Based which is based on “crypto maps” and implementation them on the physical interfaces and Route Based which is based on virtual interfaces (tunnel interfaces). In this article I will talk them over, show how to implement them, when we may to pick up particular…

 VPN tunnel with deployed IPSec is the best solution in a view of low cost for small companies with at most a few branches.  If you can’t afford to deploy VPLS (Virtual Private Lan Service) due to the budget or lack of MPLS infrastructure, VPN and IPSec will come forward to you. Low cost, simplicity (after all),…

VTI – Virtual Tunnel Interface has been invented as a simple deployment of VPN in conjunction with IPSec. Easiness of implementation, multicasts and QoS support, makes VTI interesting alternative to GRE Tunnel.

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