AlterPath ACS Installation, Administration, and User’s Guide 227
The following is a summary of the things you need to know about setting up
authentication servers.
• ACS must be on the same subnet as the authentication server.
• Each authentication server must be configured and operational.
• The ACS administrator should obtain the necessary information from
each authentication server administrator, in order set up and identify those
servers on ACS.
For example, if LDAP authentication were to be used for logins to ACS and
Kerberos for logins to serial ports, then ACS needs to have network access to
an LDAP and a Kerberos authentication server. The administrator needs to
perform setup on ACS for both types of authentication servers.
The administrator completes the appropriate form through the Web Manger
Expert > Security > Authentication to setup an authentication server for every
authentication method to be used by ACS and its ports.
The following table lists the procedures that apply to each authentication
method.
Table 9-4: Tasks for Setting up Authentication Servers.
Method Variations Procedures
RADIUS RADIUS, Local/RADIUS, RADIUS/
Local, or RADIUS/DownLocal
See “To Configure a
RADIUS Authentication
Server” on page 228
TACACS+ TACACS+, Local/TACACS+,
TACACS+/Local, or TACACS+/
DownLocal
See “To Configure a
TACACS+
Authentication Server”
on page 229
LDAP LDAP, LDAP/Local, or
LDAPDownLocal
See “To Configure an
LDAP Authentication
Server” on page 231
Kerberos Kerberos, Kerberos/Local, or
KerberosDownLocal
See “To Configure a
Kerberos Authentication
Server” on page 233
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