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CBA750B | USER MANUAL Firmware version 4.2
CRADLEPOINT
Each network must have a distinct IP address. Most users will want an address from one of the following private IP
ranges:
• 10.0.0.1 - 10.255.255.1
• 172.16.0.1 - 172.31.255.1
• 192.168.0.1 - 192.168.255.1
NOTE: The final number does not have to be 1, but it is a simple, logical
convention for routers that leaves higher numbers free for other devices.
Netmask: (Default: 255.255.255.0) The netmask controls how
many IP addresses can be used in this network. The default
value allows for 254 IP addresses, which is enough in most
cases.
Routing Mode: (Default: NAT.) Each network can use a
unique routing mode to connect to the Internet and other local
networks. NAT is desirable for most configurations. Select
from the following options in the dropdown list:
• NAT (default): Network Address Translation hides
private IP addresses behind the router's IP address.
This is the simplest and most common choice for
users, because NAT does the translation work for you.
• Standard: NAT-less routing. If you select Standard,
you must separately configure your IP addresses so
that they will be publically accessible. Typically you will not select this option unless you have a specific reason to
bypass NAT.
• IP Passthrough: IP Passthrough passes the IP address given by a cellular modem (WAN) through the router to
Ethernet (LAN). You can also enable IP Passthrough with the ROUTER/PASSTHROUGH SWITCH on the device
itself or with the IP Passthrough Setup Wizard (see Getting Started ! IP Passthrough Setup).
• Disabled: Disable this network.
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