Xiamen Caimore Communication Technology Co.,Ltd
2 F, 37#, Wanghai Road, Software Park 2, Xiamen,China (361009)
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Tel:+86 592 5901215
web: en.caimore.com
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Picture 4-2-11
4.3 VPN Configuration
4.3.1 GRE
GRE is VPN
（
Virtual Private Network
）
third tunnel protocol, that is to adopt Tunnel
technology among protocols.
Picture 4-3-1
（
Note: firstly to ensure that the two both ends of the established GRE can obtain the
public IP address by dialing.
）
Name
：
it is limited to use characters 0-9.a-z.A-Z
，
also can’t repeat name.
Remote IP
：
Remote public network IP
Remote Subnet
：
format is 192.168.1.0/24.
Interface IP address
：
The appointed virtual interface IP address.
Local WAN IP
：
IP address used to create tunnel, if it is blank, it means to use
WAN IP address.
