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Robustel R3000 Lite User Guide User Manual

Page 68

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Robustel GoRugged R3000 Lite User Guide


RT_UG_R3000 Lite_v.1.0.0 23.12.2013 67 / 113
Confidential

select the correct method based on server.

Remote Subnet

Enter L2TP remote Protected subnet’s address.

Null

Remote Subnet Mask

Enter L2TPremote Protected subnet’s mask.

Null

Enable NAT

Click to enable NAT feature of L2TP.

Disable

All traffic via this
interface

After click to enable this feature, all data traffic will be sent via L2TP tunnel.

Disable

Enable

Tunnel

Authentication

Tick to enable tunnel authentication and enter the tunnel secret which
provided by L2TP server.

Disable

Tunnel Secret

Enter L2TP tunnel secret in this item.

Null

Show Advanced

Tick to enable the L2TP client advanced setting.

Disable

Port

Set the Port number of the L2TP client.

Null

Local IP

Set the IP address of the L2TP client.
You can enter the IP which assigned by L2TP server. Null means L2TP client
will obtain an IP address automatically from L2TP server’s IP pool.

Null

Remote IP

Enter the remote peer’s private IP address or remote subnet’s gateways
address.

Null

Address/Control
Compression

Used for PPP initialization. In general, you need to enable it as default.

Enable

Protocol

Field

Compression

Used for PPP initialization. In general, you need to enable it as default.

Enable

Asyncmap Value

One of the L2TP initialization strings. In general, you don’t need to modify
this value.

ffffffff

MRU

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

1500

MTU

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

1436

Link Detection Interval

Specify the interval between L2TP client and server.
To check the connectivity of a tunnel, the client and server regularly send
PPP Echo to each other. If the client or server receives no response from the
peer within a specified period of time, it retransmits the PPP echo. If it
receives no response from the peer after transmitting the PPP echo for max
retries times, it considers that the L2TP tunnel is down and tries
tore-establish a tunnel with the peer.

30

Link Detection Max
Retries

Specify the max retries times for L2TP link detection.

5

Expert Options

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

noccp
nobsdcomp