Gre - Planet ICG-2510W-LTE Series User Manual

Industrial 4g lte cellular wireless gateway with 5-port 10/100/100t

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ESP Keylife

IKE aggressive

mode allowed

Perfect Forward

Security (PFS)

Authentication: Choose use share encryption option or certificate authentication option. Current is only to choose use

share encryption option.

4.3.4.5. GRE

GRE (Generic Routing Encapsulation, Generic Routing Encapsulation) protocol is a network layer protocol (such as IP

and IPX). Data packets are encapsulated, so these encapsulated data packets go to another network layer protocol

(IP). GRE Tunnel technology is Layer Two Tunneling Protocol VPN (Virtual Private Network).

GRE Tunnel: Enable or disable GRE function.

When GRE tunnel is enabled, the configuration page is shown below.

Set ESP keylife, current unit is hour, the default is 0

Negotiation mode adopt aggressive mode if tick; it is main

mode if non-tick

Tick to enable PFS, non-tick to disable PFS

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