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User's Manual
AMG-2102 Gigabit Access and AP Management Gateway Pro
2.2 System Concept
If you have experienced other AMG Series products before and are familiar with its system concept, you
may skip the concept description below. Please proceed to the next section on (Hardware
Description).
AMG-2102 is capable of managing user authentication, authorization and accounting (AAA). The user
account information is stored in the local database or a specified external database server. Featured
with user authentication and integrated with external payment gateway, AMG-2102 allows users to
easily pay the fee and enjoy the Internet service using credit cards through Authorize.net, PayPal,
SecurePay, PayPal or WorldPay.
With centralized AP management feature, the administrator does not need to worry about how to
manage multiple wireless access point devices.
Furthermore, AMG-2102 introduces the concept of Service Zones - multiple virtual networks, each with
its own adjustable access control profiles. This is very useful for hotspot owners seeking to provide
different customers or staff with different levels of network services.
The following portion of this section explains the basic concepts of AMG-2102; the same concepts also
apply to the other AMG Series products. With the understanding of these concepts, the administrator
will be able to do more advanced network planning and to manipulate the configurations of AMG-2102
to suit his own specific application. It is sufficient for most of administrators to use the default
configuration with minor WAN/DNS address changes for simple deployments.
Gateway is a network node where a small network attaches to a bigger network. AMG-2102 is a kind
of gateway in a network environment; hence it has those features a typical gateway has, such as NAT,
DHCP, DMZ, Firewall and etc. Conventionally, the bigger network is referred as the gateway's WAN
side or upstream network, while the small network is referred as the gateway's LAN side. The Ethernet
ports leading to the WAN side network is called WAN ports. The Ethernet ports leading to the LAN side
network is called LAN ports.
Local User is a type of user with its account credential stored in a database named "Local" within
AMG-2102. The "Local" database of AMG-2102 allows local user accounts. A local user account does not
have an expiration date once they are created. If administrator wishes to terminate the account, he
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