135
NAT enabled; DHCP enabled
When there is no active PDP context, PC 1 to PC N get a private IP address each
from the DHCP pool (Default range: 192.168.1.40 ~ 192.168.1.59)
After a primary PDP context is activated, the private IP address will remained
unchanged.
LAN IP to WAN IP address translation is handled by S-NAT
WAN-IP to LAN-IP address translation is handled by D-NAT coupled with
Port-Forwarding.
All secondary PDP context will ride over the primary PDP context (up to a maxi-
mum of 11 PDP contexts, including the primary PDP context)
All connected PCs share the PDP context activated on the Router Mode
(multi-user)
It is not possible to activate a second Primary PDP context in Router Mode
(multi-user) for another external device to access
Direct Mode (Single User Mode)
Direct Mode is also known as the Bridge Mode or Single User. Bridges operate
at the Data Link Layer (level 2) and do not understand anything about any com-
munications protocol other than the physical medium (MAC), which is typically an
Ethernet. Therefore, if the interface is in Direct Mode, Network User Group can
get Global IP address and directly access the internet. Thus, it is possible to log
in from a remote location.
NAT disabled; DHCP enabled
When there is no active PDP context, PC 1 gets a private IP address from the
DHCP pool (Default range: 192.168.1.40 ~ 192.168.1.59)
After a primary PDP context is activated, WAN IP address (generally public IP
address) is assigned to the PC1 (E.g. 161.30.23.X for APN: “bgan.inmarsat.com”)
All secondary PDP context will ride over the primary PDP context (up to a maxi-
mum of 11 PDP contexts, including the primary PDP context)
It is not possible to activate a second Primary PDP context in the Modem Mode
for another external device to access
•
•
•
•
•
•
•
•
•
•
•
•
•
Figure 2: Direct Mode overview diagram
To Next Page
Loading...
