Aaa Server Groups; Aaa Service Configuration Options - Cisco AJ732A - MDS 9134 Fabric Switch Configuration Manual
Cisco nexus 5000 series switch cli software configuration guide, nx-os 4.0(1a)n1 (ol-16597-01, january 2009)
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Chapter 16
Configuring AAA
S e n d f e e d b a c k t o n x 5 0 0 0 - d o c f e e d b a c k @ c i s c o . c o m
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AAA Server Groups
You can specify remote AAA servers for authentication, authorization, and accounting using server
groups. A server group is a set of remote AAA servers that implement the same AAA protocol. The
purpose of a server group is to provide for failover servers in case a remote AAA server fails to respond.
If the first remote server in the group fails to respond, the next remote server in the group is tried until
one of the servers sends a response. If all the AAA servers in the server group fail to respond, then that
server group option is considered a failure. If required, you can specify multiple server groups. If a
Nexus 5000 Series switch encounters errors from the servers in the first group, it tries the servers in the
next server group.
AAA Service Configuration Options
On Nexus 5000 Series switches, you can have separate AAA configurations for the following services:
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Table 16-1
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Table 16-1
AAA Service Configuration Option
Telnet or SSH login
Console login
User session accounting
You can specify the following authentication methods for the AAA services:
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If the method is for all RADIUS servers, instead of a specific server group, the Nexus 5000 Series
Note
switches choose the RADIUS server from the global pool of configured RADIUS servers in the order of
configuration. Servers from this global pool are the servers that can be selectively configured in a
RADIUS server group on the Nexus 5000 Series switches.
Table 16-2
OL-16597-01
The accounting log for all switches in the fabric can be centrally managed.
User attributes for each switch in the fabric than using the local databases on the switches are easier
to manage.
User Telnet or Secure Shell (SSH) login authentication
Console login authentication
User management session accounting
lists the CLI commands for each AAA service configuration option.
AAA Service Configuration Commands
RADIUS server groups—Uses the global pool of RADIUS servers for authentication.
Specified server groups—Uses specified RADIUS or TACACS+ server groups for authentication.
Local—Uses the local username or password database for authentication.
None—Uses only the user name.
describes the AAA authentication methods that you can configure for the AAA services.
Related Command
aaa authentication login default
aaa authentication login console
aaa accounting default
Cisco Nexus 5000 Series Switch CLI Software Configuration Guide
Information About AAA
16-3
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