Ipsec - Waveshare WS-431E User Manual

WS-431E
4G Router
Enable static tunnel IP Address: it is not enabled by default, and the server automatically

allocates IP. You can fill in the static tunnel IP here;
Extra option: append the PPPD option, magic words, etc. No operation is required by

default;
NAT: This function is enabled by default. When the content needs to communicate with the

outside, replace the internal address with the public address. If this item is disabled, the
network address translation function cannot be realized;
Peer subnet & mask: after filling in correctly, the subnet interworking function under VPN

can be directly realized when NAT function is turned on;
Enable ping: Real-time VPN online detection and reconnection mechanism. Not enabled by

default. Checking this option indicates that the VPN will be reconnected if the ping fails.
L2TP connection succeeded: after filling in the relevant parameters, save & apply, and enter

VPN--VPN status to check the connection status.

4.7.3. IPSEC

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