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:
zdisable—Disables TACACS+ fallback.
zenable—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.
zdisable—Disables TACACS+ authentication.
zenable—Enables TACACS+ authentication.
zfallback—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.