Avocent Network Device SPC420 - Manual (Page 117)

Chapter 6: Authentication Services 97
NOTE: The Cyclades ACS advanced console server uses the service “raccess” and the attribute “group_name”
for TACACS+ group implementation.
10. Click Next. If the external authentication service is added successfully, the Completed
Successful window will open.
11. Click Finish. The User Authentication Services window will open with the new service listed.
To change settings for the TACACS+ external authentication service:
1. Click the Users tab.
2. Click Authentication Services in the top navigation bar. The User Authentication Services
window will open.
3. Click the name of the TACACS+ service. The side navigation bar will change to include the
name of the TACACS+ service at the top and, below the name, the information you may
define.
4. Click Connection in the side navigation bar. The Authentication Service Connection Settings -
TACACS+ window will open.
a. Type a 1-64 character name for the TACACS+ authentication service.
b. Type the address of the TACACS+ host in dot notation format (xxx.xxx.xxx.xxx) or type
the DNS host name in the Server Address field.
c. Type the number of the port (from 1-65535) for connecting to the TACACS+ host in the
Port Number field. The default is port 49.
d. Click Save.
5. To change the authentication type and/or shared secret, click Settings in the side navigation bar.
The Authentication Service Authentication Settings - TACACS+ window will open.
a. Select the authentication type from the Authentication Type menu.
PAP - Password Authentication Protocol
CHAP - Challenge Handshake Authentication Protocol (default)
MS-CHAP - Microsoft Challenge Handshake Authentication Protocol
b. In the Shared Secret field, type the shared secret, which is a password protected field. (For
the shared secret, Microsoft’s implementation allows up to 128 ASCII characters and
Cisco’s implementation allows up to 32 ASCII characters; other servers may have a
different limit.)
NOTE: If you change the authentication type, you will be required to enter the shared secret.
c. Re-enter the shared secret in the Confirm Shared Secret field.
d. Click Save.
6. To change the group authorization settings, click Group Authorization in the side navigation
bar.