Kentrox AI296 - Manual (Page 266)

AI296 Version 9.8x User’s Guide
AI296 Commands: aaa
9-8
fallback Enables or disables TACACS+ fallback for shell access. If TACACS+
fallback is enabled and attempts to contact all configured TACACS+
servers fail, then AI296’s user database is used for authentication and
authorization. The AI296 local log file is used for accounting. The
following parameters are accepted:
z disable —Disables TACACS+ fallback.
z enable —Enables TACACS+ fallback.
ppp
authen Enables or disables TACACS+ authentication and sets the fallback
mode for specified AsyncPPP links.

Note: The link type must be set to AsyncPPP for this command to
have any effect.
The following parameters are accepted:
z * —Specifies all links.
z disable —Disables TACACS+ authentication.
z enable —Enables TACACS+ authentication.
z fallback —Enables TACACS+ authentication with fallback.
z link_range —Defines a link or range of links. Valid values are 1 to
16. Individual values are separated by commas (,) and hyphens (-).
For example,
1,4-6 specifies links 1, 4, 5, and 6.