Changes

==GRE Tunnel==

==GRE Tunnel==

'''GRE''' (Generic Routing Encapsulation RFC2784) is a solution for tunneling RFC1812 private address-space traffic over an intermediate TCP/IP network such as the Internet. GRE tunneling does not use encryption it simply encapsulates data and sends it over the WAN.

'''GRE''' (Generic Routing Encapsulation RFC2784) is a solution for tunneling RFC1812 private address-space traffic over an intermediate TCP/IP network such as the Internet. GRE tunneling does not use encryption it simply encapsulates data and sends it over the wide area network (WAN).

[[Image:Services vpn gre tunnel scheme.PNG]]

[[Image:Services vpn gre tunnel scheme.PNG]]

In the example network diagram two distant networks LAN1 and LAN2 are connected.

In the example network diagram two distant networks LAN1 and LAN2 are connected. To create A GRE tunnel the user must know the following parameters:

To create GRE tunnel the user must know the following parameters:

1. Source and destination IP addresses

* Source and destination IP addresses

 

* Tunnel’s local IP address

2. Tunnel’s local IP address

* Distant network’s IP address and Subnet mask

 

3. Distant network’s IP address and Subnet mask

To create a new GRE instance, go to the GRE Tunnel tab, type in a name for your new instance in the text field below the GRE Tunnel tab and press the '''Add New''' button next to it.

To create a new GRE instance, go to the GRE Tunnel tab, type in a name for your new instance in the text field below the GRE Tunnel tab and press the '''Add New''' button next to it.

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==PPTP==

==PPTP==