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3. To enable the user blocking or IP blocking feature, in the Login Lockout Policy section, select
Lockout by User Name or Lockout by IP Address (IPV4) .
The options to set the other login lockout policy attributes are activated.
4. Enter the required values for login lockout policy attributes in the activated fields — Lockout Fail
Count
, Lockout Fail Window , and Lockout Penalty Time. For more information, see the CMC
Online Help.
5. To save these settings, click Apply.
Configuring Login Lockout Policy Attributes Using
RACADM
You can use RACADM to configure the Login lockout policy attributes for the following features:
• User blocking
• IP address blocking
• Number of login attempts allowed
• Timespan for the lockout failure counts to occur
• Lockout penalty time
• To enable user blocking feature, use:
racadm config -g cfgRacTuning -o cfgRacTuneUserBlkEnable <0|1>
• To enable IP blocking feature, use:
racadm config –g cfgRacTuning –o cfgRacTuneIPBlkEnable <0|1>
• To specify the number of login attempts, use:
racadm config –g cfgRacTuning –o cfgRacTuneIpBlkFailCount
• To specify the time span within which, lockout fail count failures must occur, use:
racadm config –g cfgRacTuning –o cfgRacTuneIpBlkFailWindow
• To specify value for lockout penalty time, use:
racadm config –g cfgRacTuning –o cfgRacTuneIpBlkPenaltyTime
For more information about these objects, see the Chassis Management Controller for PowerEdge VRTX
RACADM Command Line Reference Guide available at dell.com/support/manuals.
Understanding Redundant CMC Environment
You can install a standby CMC that takes over if your active CMC stops functioning. The redundant CMC
may be pre-installed or can be installed later. To make sure full redundancy or best performance, it is
important that the CMC network is properly cabled.
Failovers can occur when you:
• Run the RACADM cmcchangeover command. See the cmcchangeover command section in the
Chassis Management Controller for PowerEdge VRTX RACADM Command Line Reference Guide
available at dell.com/support/manuals.
• Run the RACADM racreset command on the active CMC. See the racreset command section in
the Chassis Management Controller for PowerEdge VRTX RACADM Command Line Reference Guide
available at dell.com/support/manuals..
• Reset the active CMC from web interface. See the Reset CMC option for Power Control Operations
that is described in Executing Power Control Operations.
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