NetComm Wireless NTC-6200-01, User Manual

Page: 62 / 120

62
NetComm Wireless Intelligent M2M Router www.netcommwireless.com
GRE tunnelling
The Generic Route Encapsulation (GRE) protocol is used in addition to Point-to-Point Tunnelling Protocol (PPTP) to create VPNs (virtual private networks) between clients and servers or between
clients only. Once a PPTP control session establishes the VPN tunnel GRE is used to securely encapsulate the data or payload.
Configuring GRE tunnelling
To configure GRE tunnelling:
1. From the menu bar at the top of the screen, click
Networking
and then from the
VPN
section on the left side of the screen, click
GRE
. The GRE client list is displayed.
Figure 68 - GRE client list
2. Click the
+Add
button to begin configuring a new GRE tunnelling client profile. The GRE Client Edit screen is displayed.
Figure 69 – GRE client edit
3. Click the
Enable GRE Tunnel
toggle key to switch it to the
ON
position.