Allied Telesis AT-WA7500 - Manual (Page 176)

7 - Configuring the Embedded Authentication Server (EAS)
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About the Embedded Authentication Server (EAS)
The access point has an EAS, which is an internal RADIUS server. In your
network, you can use the EAS on any access point. The EAS can act as:
‰ a password server that maintains a list of logins of users who can
configure and manage the access point.
‰ a RADIUS server that maintains an ACL, which is a list of MAC
addresses that can connect to the network.
‰ a RADIUS server that maintains a list of RADIUS clients (usually
access points) that are authorized to connect to the network.
‰ a RADIUS server that authorizes TLS, TTLS, and PEAP clients to
connect to the network.
If you use the EAS, you may not need to buy an external RADIUS server.
An EAS supports up to 128 database entries. If you need more database
entries, you may be able to use the EAS on different access points for
different purposes. For example, you can use the EAS on one access
point as a password server and another EAS on another access point as
the authentication server.
This table lists the maximum number of end devices that an EAS
supports if you turn on the end devices at the same time. However, if
you turn on the end devices in groups, the EAS supports 128 clients with
unique security credentials.
Table 23 Maximum Number of Simultaneous Authentications
RADIUS Server Type AT-WA7500
Password server 128
ACL authentication server 128
802.1x authentication server 60