Reference Guide

Default Not configured.
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
Version 7.5.1.0 Introduced on the C-Series.
Version 7.6.1.0 Introduced on the E-Series.
Usage
Information
To provide a hitless or warm upgrade, use this command. A hitless upgrade means that a
software upgrade does not require a reboot of the line cards. A warm upgrade means that a
software upgrade requires a reset of the line cards. A warm upgrade is possible for major
releases and lower, while a hitless upgrade can only support patch releases.
redundancy primary
Set an RPM as the primary RPM.
S4820T
Syntax
redundancy primary [rpm0 | rpm1]
To delete a configuration, use the no redundancy primary command.
Parameters
rpm0 Enter the keyword rpm0 to set the RPM in slot R0 as the primary
RPM.
rpm1 Enter the keyword rpm1 to set the RPM in slot R1 as the primary
RPM.
Default The RPM in slot R0 is the Primary RPM.
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.1.1.0 Introduced on the E-Series ExaScale.
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