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HP 5920 Series Fundamentals Configuration Guide

HP 5920 Series
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103
Figure 30 System startup process
Upgrade methods
U
pg
radin
g
method Software t
yp
es
Remarks
Upgrading from the CLI
without using ISSU
• Boot ROM image
• Comware images
(excluding patches)
This method is disruptive. You must reboot the
entire device to complete the upgrade.
Performing an ISSU Comware images
The ISSU method enables a software upgrade
without service interruption.
Use this method for an IRF fabric.
For more information about ISSU, Performing an
ISSU."
Upgrading from the Boot
menu
• Boot ROM image
• Comware software
images
Use this method when the device cannot start up
correctly.
IMPORTANT:
Upgrade an IRF fabric from the CLI instead of the
Boot menu.
The Boot menu method increases the service
downtime, because it requires that you upgrade
the member devices one by one.
This chapter only covers upgrading software from the CLI without using ISSU.
Non-ISSU upgrade procedure summary
To upgrade software from the CLI without using ISSU:
Start
End
Press Ctrl+B
promptly?
Boot ROM runs
Startup software images
run
System starts up and CLI
appears
Enter Boot menus to
upgrade Boot ROM or
startup software
images
Yes
No

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HP 5920 Series Specifications

General IconGeneral
BrandHP
Model5920 Series
CategorySwitch
LanguageEnglish

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