Digi TransPort WR31 User Manual page 465

Configure Virtual Private Networking (VPN)
Link socket port
The default port for OpenVPN is 1194. If you use a different or non-standard port number,
specify it here.
Link socket protocol
OpenVPN can use TCP or UDP as the transport protocol. Select the required protocol here.
TLS auth password / Confirm TLS auth password
Allows the OpenVPN instance to use an extra level of security by having a TLS password
configured.
Push IP address #1/#2/#3
When configured as an OpenVPN server, use these parameters to push subnets to the client that
need to be routed via the OpenVPN server. Used in conjunction with the Push Mask parameter
below.
Push mask #1/#2/#3
Use with the Push IP address parameter above to define subnets that should be routed via the
OpenVPN server.
Push DNS server address #1/#2
When configured as an OpenVPN server, use these parameters to push DNS server settings to the
OpenVPN client.
Pull interface IP address
When configured as an OpenVPN client, this option must be enabled for the router to obtain and
use the local IP address supplied from the OpenVPN server.
Pull routes
When configured as an OpenVPN client, this option must be enabled for the router to use routes
sent from the OpenVPN server.
Pull DNS server addresses
When configured as an OpenVPN client, this option must be enabled for the router to use DNS
servers sent from the OpenVPN server.
Packet replay ID window
When set to a non-zero value, this enables sequence number replay detection. It indicates the
number of packet IDs lower than the current highest ID to allow out of sequence.
Packet replay time window (seconds)
Set to a non-zero value to enable time tracking of incoming packets.
Digi TransPort WR Routers User Guide
OpenVPN parameters
465