Dell PowerConnect 8024, User Configuration Manual

Page: 199 / 1294

Configuring Authentication, Authorization, and Accounting
199
Using Servers to Control Management
Access
(Terminal Access Controller Access Control System) provides
access control for networked devices via one or more centralized servers.
simplifies authentication by making use of a single database that
can be shared by many clients on a large network. uses TCP to
ensure reliable delivery and a shared key configured on the client and daemon
server to encrypt all messages.
If you configure as the authentication method for user login and a
user attempts to access the user interface on the switch, the switch prompts
for the user login credentials and requests services from the
client. The client then uses the configured list of servers for authentication,
and provides results back to the switch.
Figure 10-2 shows an example of access management using .
Figure 10-2. Basic Topology
You can configure the server list with one or more hosts defined
via their network IP address. You can also assign each a priority to determine
the order in which the client will contact them.
contacts the server when a connection attempt fails or times out for a higher
priority server.
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Management Host
Primary Server
Backup Server
Management
Network
PowerConnect Switch