Waveshare WS-431E - Gre

WS-431E 4G Router
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 After obtaining the certificate file, add different certificate contents to the configuration
interface respectively.
4.7.5. GRE
Figure 67 GRE basic configuration
< Description >
 Peer WAN IP: The WAN IP address of the remote GRE peer.
 Local WAN IP: the addresses of local wan_wired and wan_4G, which are input differently
according to the networking mode;
 Remote Tunnel IP: The GRE tunnel IP address of the remote endpoint.
 Peer Subnet: setting subnet mask can be expressed as follows: 255.255.255.0 can be written
as IP/24, 255.255.255 can be written as IP/32.