Robustel GoRugged R3000 - Gre Vpn

Robustel GoRugged R3000 User Guide
RT_UG_R3000_v.3.0.3 04.02.2017 112 / 124
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The comparison between point 1 and point 2 is as following picture:
4.3.3 GRE VPN
VPN--->GRE--->GRE