Robustel R3000 User Guide User Manual

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Robustel GoRugged R3000 User Guide

RT_UG_R3000_v.2.0.0 17.01.2014 76 / 131
Confidential

Ping Interval

Set ping interval to check if the tunnel is active.

Ping -Restart

Restart to establish the OpenVPN tunnel if ping always timeout during this time.

120

Compression

Select “LZO” to use the LZO compression library to compress the data stream.

LZO

Encryption

Select from “BF-CBC”, “DES-CBC”, “DES-EDE3-CBC”, “AES128-CBC”,
“AES192-CBC” and “AES256-CBC”.
BF-CBC: Uses the BF algorithm in CBC mode and 128-bit key.
DES-CBC: Uses the DES algorithm in CBC mode and 64-bit key.
DES-EDE3-CBC: Uses the 3DES algorithm in CBC mode and 192-bit key.
AES128-CBC: Uses the AES algorithm in CBC mode and 128-bit key.
AES192-CBC: Uses the AES algorithm in CBC mode and 192-bit key.
AES256-CBC: Uses the AES algorithm in CBC mode and 256-bit key.

BF-CBC

MTU

Maximum Transmission Unit. It is the identifier of the maximum size of packet,
which is possible to transfer in a given environment.

1500

Max Frame Size

Set the Max Frame Size for transmission.

1500

Verbose Level

Select the log output level which from low to high: “ERR”, “WARNING”, “NOTICE”
and “DEBUG”. The higher level will output more log information.

ERR

Expert Options

You can enter some other PPP initialization strings in this field. Each string can be
separated by a space.

Null

Subnet&Subnet
Mask@Local Route

Set the subnet and subnet Mask of local route.

Null