Nortel Networks 5500 series - Manual (Page 291)

Configuring the cluster 291
The Authentication menu appears.
The Authentication menu includes the following options:
/cfg/sys/adm/auth
followed by:
servers Accesses the RADIUS Authentication
Servers menu, in order to configure external
RADIUS authentication servers for the cluster
(see
“Managing RADIUS authentication
servers” (page 292) ).
timeout <interval> Sets the timeout interval for a connection
request to a RADIUS server. At the end of
the timeout period, if no connection has been
established, authentication will fail.
•
interval is an integer that indicates
the time interval in seconds ( s ), minutes
( m ), or hours ( h ). If you do not specify a
measurement unit, seconds is assumed.
The range is 1–10000 seconds. The default
is 10 seconds.
fallback on|off Specifies the desired fallback mode. Valid
options are:
•
on —if the RADIUS servers are
unreachable, the local passwords defined
on the Nortel SNAS are used as fallback
•
off —if the RADIUS servers are
unreachable, the only way to access
the system is to reinstall the software (boot
install)
The default is on .
ATTENTION
With the fallback mode set to on, unwanted
access to the Nortel SNAS is possible
using a serial cable if the network cable
is disconnected and the local password is
known.
Nortel Secure Network Access Switch
Using the Command Line Interface
NN47230-100 03.01 Standard
28 July 2008
Copyright © 2007, 2008 Nortel Networks
.