Waveshare WS-431E User Manual page 64

WS-431E
4G Router
< Description >
Interface: wan_4G, wan_wired and automatic can be selected according to different

networking modes;
Peer address: it can be divided into VPN client and VPN server. Please fill in the IP/ domain

name of the peer;
Negotiation mode: main mode, aggressive mode (aggressive negotiation mode), with main

mode as the default;
Tunnel types: subnet to subnet, subnet to host, host to subnet, host to host. Select one

according to the actual application mode;
Local subnet: IPSec local subnet and subnet mask;
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Local identifier: the local identifier of the channel, which can be IP or FQDN. Pay attention

to adding @ when defining the domain name; IKE Encryption Algorithm: The first stage
www.waveshare.com
Figure 65 Basic settings after enabling IPSec
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