Name: Hitron CGN3
Brand: Hitron
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Hitron CGN3 User’s Guide

3.1.6 Routing Mode

When your CGN3 is in routing mode, it acts as a gateway for computers on the LAN

to access the Internet. The service provider assigns an IP address to the CGN3 on

the WAN, and all traffic for LAN computers is sent to that IP address. The CGN3

assigns private IP addresses to LAN computers (when DHCP is active), and

transmits the relevant traffic to each private IP address.

NOTE: When DHCP is not active on the CGN3 in routing mode, each computer on

the LAN must be assigned an IP address in the CGN3’s subnet manually.

When the CGN3 is not in routing mode, the service provider assigns an IP address to

each computer connected to the CGN3 directly. The CGN3 does not perform any

routing operations, and traffic flows between the computers and the service provider.

Routing mode is not user-configurable; it is specified by the service provider in the

CGN3’s configuration file.

3.1.7 Configuration Files

The CGN3’s configuration (or config) file is a document that the CGN3 obtains

automatically over the Internet from the service provider’s server, which specifies the

settings that the CGN3 should use. It contains a variety of settings that are not

present in the user-configurable Graphical User Interface (GUI) and can be specified

only by the service provider.

3.1.8 Downstream and Upstream Transmissions

The terms “downstream” and “upstream” refer to data traffic flows, and indicate the

direction in which the traffic is traveling. “Downstream” refers to traffic from the

service provider to the CGN3, and “upstream” refers to traffic from the CGN3 to the

service provider.

3.1.9 Cable Frequencies

Just like radio transmissions, data transmissions over the cable network must exist

on different frequencies in order to avoid interference between signals.

The data traffic band is separate from the TV band, and each data channel is

separate from other data channels.

Hitron CGN3 User Manual

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