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On-demand User is a type of user with its account credential stored in a database named
"On-demand" within AMG-2001. The "On-demand" database of AMG-2001 allows on-demand account
records. On-demand User is used for short term usage purpose; it has an expiration period. An
on-demand account record will be recycled for creating new on-demand account if it has expired for
over certain days or has been modified by the Administrator/Manager manually.
External Authentication Database is a user account database that is not built inside AMG-2001.
Besides Local database and On-demand database, AMG-2001 allows up to three additional External
Authentication databases simultaneously. The types of external Authentication databases supported
are RADIUS, POP3, LDAP (including ActiveDirectory), and NTDomain (Win2K's NTDS). The database of
another AMG Series device can be used as an external RADIUS database. External Authentication
Database is useful for implementing account roaming; for example, multiple AMG-2001 devices in
multiple campuses can share one common external database. A user needs only one account in the
common database to access the network from different campuses.
Service Zone is a logic partition of AMG-2001's LAN network. The concept of Service Zone is similar to
the concept of virtual LAN (VLAN), which can be used to group the network traffic or network services
for clients on the same VLAN segment, regardless of the clients' physical locations. That is, several
VLAN segments may be in service at one physical network location while devices belonging to one VLAN
segment may appear in multiple physical locations.
Each Service Zone can also be viewed a virtual machine of AMG-2001 because each Service Zone can
define its own customized login portal page, and its own gateway properties (such as LAN IP address,
DHCP on/off and address range). The feature of Multiple Service Zone is also useful to service multiple
hotspot franchises in shopping malls or airport terminals by a single AMG-2001.
A Service Zone is uniquely defined by a VLAN tag id and an associated SSID attribute. When a managed
access point (MAP) is added to a Service Zone through AMG-2001 by the administrator, the associated
SSID will be activated in the MAP along with the VLAN tag of the Service Zone.
For example, in the following Figure 2, the administrator plans three logical Service Zones for an
academic campus:
The first Service Zone (with SSID='Student", and VLAN tag=1) is for students.
The second (with SSID="Faculty" and VLAN tag=2) for faculties.
The third (SSID="Guest" and VLAN tag=3) for guests.
AMG-2001
Access and AP Management Gateway
6
User's Manual
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