Advantech ER75s, User Manual

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ER75s
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Item Description
Protocol Communication protocol:
•
UDP
– OpenVPN will communicate using UDP
• TCP server – OpenVPN will communicate using TCP in
server mode
• TCP client – OpenVPN will communicate using TCP in
client mode
UDP/TCP port Port of the relevant protocol (UDP or TCP)
Remote IP Address IP address of opposite tunnel side (domain name can be used)
Remote Subnet IP address of a network behind opposite tunnel side
Remote Subnet Mask Subnet mask of a network behind opposite tunnel side
Redirect Gateway Allows to redirect all traffic on Ethernet
Local Interface IP
Address Defines the IP address of a local interface
Remote Interface
IP Address Defines the IP address of the interface of opposite tunnel side
Ping Interval Defines the time interval after which sends a message to oppo-
site side of tunnel for checking the existence of the tunnel.
Ping Timeout Defines the time interval during which the router waits for a mes-
sage sent by the opposite side. For proper verification of Open-
VPN tunnel,
Ping Timeout must be greater than Ping Interval .
Renegotiate Interval Sets renegotiate period (reauthorization) of the OpenVPN tun-
nel. This parameter can be set only when
Authenticate Mode is
set to username/password or X.509 certificate . After this time
period, router changes the tunnel encryption to ensure the con-
tinues safety of the tunnel.
Max Fragment Size Defines the maximum size of a sent packet
Compression Sent data can be compressed:
•
none
– no compression is used
• LZO – a lossless compression is used (must be set on both
sides of the tunnel!)
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