Service Manual

Parameters
stack-unit Enter the keyword stack-unit then the stack-unit ID number.
Default Not configured.
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, see
the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(0.0) Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
8.3.19.0 Introduced on the S4820T.
8.3.12.0 Introduced on the S4810.
8.1.1.0 Introduced on the E-Series.
7.5.1.0 Introduced on the C-Series.
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.
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.
High Availability (HA) 796