
Robustel GoRugged R3000 User Guide
RT_UG_R3000_v.2.0.0 17.01.2014 82 / 131
Confidential
select the correct method based on server.
Enter L2TP
Enter
Click to enable NAT feature of L2TP. The source IP address of host Behind
R3000 will be disguised before accessing the remote L2TP server.
All traffic via this
interface
After click to enable this feature, all data traffic will be sent via L2TP tunnel.
Enable Tunnel
Authentication
Tick to enable tunnel authentication and enter the tunnel secret which
provided by L2TP server.
Enter L2TP tunnel secret in this item.
Tick to enable the L2TP client advanced setting.
Set the Port number of the L2TP client.
Set the IP address of the L2TP client.
You can enter the IP which assigned by L2TP server. Null means L2TP client
address.
Address/Control
Compression
Used for PPP initialization. In general, you need to enable it as default.
Protocol Field
Compression
Used for PPP initialization. In general, you need to enable it as default.
this value.
Maximum Receiving Unit. It is the identifier of the maximum size of packet,
which is possible to receive in a given environment.
Maximum Transmission Unit. It is the identifier of the maximum size of
packet, which is possible to transfer in a given environment.
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.
Link Detection Max
Retries
Specify the max retries times for L2TP link detection.
You can enter some other PPP initialization strings in this field. Each string
can be separated by a space.
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