Cisco MDS 9000 Series Configuration Manual page 92

Configuring the Dead Timer
Enters configuration mode.
Step 2
switch(config)# tacacs-server host 10.1.1.1 test username testuser
Configures the test user (testuser) with the default password (test). The default username is test.
Step 3
switch(config)# no tacacs-server host 10.1.1.1 test username testuser
(Optional) Removes the test user (testuser).
Step 4 switch(config)# tacacs-server host 10.1.1.1 test username testuser password Ur2Gd2BH
Configures the test user (testuser) and assigns a strong password.
Configuring the Dead Timer
The dead timer specifies the interval that the MDS switch waits, after declaring a TACACS+ server is dead,
before sending out a test packet to determine if the server is now alive.
Note
• The default dead timer value is 0 minutes. TACACS+ server monitoring is not performed if the dead
• If the dead timer of a dead TACACS+ server expires before it is sent a TACACS+ test message, that
To configure the dead timer, follow these steps:
Procedure
Step 1 switch# configure terminal
Enters configuration mode.
Step 2
switch(config)# tacacs-server deadtime 30
Configures the dead-time interval value in minutes. The valid range is 1 to 1440 minutes.
Step 3 switch(config)# no tacacs-server deadtime 30
(Optional) Reverts to the default value (0 minutes).
Note
Cisco MDS 9000 Series Security Configuration Guide, Release 8.x
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timer interval is 0 minutes, unless the TACACS+ server is a part of a bigger group with the dead-time
interval greater than 0 minutes. (See
server is marked as alive again even if it is still not responding. To avoid this scenario, configure a test
user with a shorter idle time than the dead timer time.
When the dead-time interval is 0 minutes, TACACS+ server monitoring is not performed unless
the TACACS+ server is part of a server group and the dead-time interval for the group is greater
than 0 minutes. (See the
Configuring Security Features on an External AAA Server
Configuring RADIUS Server Monitoring Parameters, on page
Configuring RADIUS Server Monitoring Parameters, on page 54
54).
section).