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Configuring and Enabling TACACS+
This section contains this configuration information:
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Default TACACS+ Configuration
TACACS+ and AAA are disabled by default.
To prevent a lapse in security, you cannot configure TACACS+ through a network management
application. When enabled, TACACS+ can authenticate administrators accessing the bridge through the
CLI.
Identifying the TACACS+ Server Host and Setting the Authentication Key
You can configure the bridge to use a single server or AAA server groups to group existing server hosts
for authentication. You can group servers to select a subset of the configured server hosts and use them
for a particular service. The server group is used with a global server-host list and contains the list of IP
addresses of the selected server hosts.
Beginning in privileged EXEC mode, follow these steps to identify the IP host or host maintaining
TACACS+ server and optionally set the encryption key:
Command
Step 1
configure terminal
Step 2
tacacs-server host hostname [port
integer] [timeout integer] [key string]
Step 3
aaa new-model
Step 4
aaa group server tacacs+ group-name
Cisco Aironet 1400 Series Wireless Bridges Software Configuration Guide
11-18
Default TACACS+ Configuration, page 11-18
Identifying the TACACS+ Server Host and Setting the Authentication Key, page 11-18
Configuring TACACS+ Login Authentication, page 11-19
Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services, page
11-20
Starting TACACS+ Accounting, page 11-21
Purpose
Enter global configuration mode.
Identify the IP host or hosts maintaining a TACACS+ server. Enter this
command multiple times to create a list of preferred hosts. The software
searches for hosts in the order in which you specify them.
Enable AAA.
(Optional) Define the AAA server-group with a group name.
This command puts the bridge in a server group subconfiguration mode.
For hostname, specify the name or IP address of the host.
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(Optional) For port integer, specify a server port number. The default
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is port 49. The range is 1 to 65535.
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(Optional) For timeout integer, specify a time in seconds the bridge
waits for a response from the daemon before it times out and declares
an error. The default is 5 seconds. The range is 1 to 1000 seconds.
(Optional) For key string, specify the encryption key for encrypting
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and decrypting all traffic between the bridge and the TACACS+
daemon. You must configure the same key on the TACACS+ daemon
for encryption to be successful.
Chapter 11
Configuring RADIUS and TACACS+ Servers
OL-4059-01
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