
Industrial Cellular VPN Router NR500 Series User Manual
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4.7.3
GRE
Generic Routing Encapsulation (GRE) is a protocol that encapsulates packets in order to route
other protocols over IP networks. It’s a tunneling technology that provides a channel through
which encapsulated data message could be transmitted and encapsulation and decapsulation
could be realized at both ends.
VPN->GRE->Status
•
Enable
Displays current GRE settings is enable or disable.
•
Description
Displays the description of current VPN channel.
•
Status
Displays the current VPN connection status.
VPN->GRE
•
Enable
Check this box to enable GRE.
•
Description
Enter the description of current VPN channel.