HP 5920 Series Fundamentals Configuration Guide

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Performing an ISSU by using issu series
commands
The ISSU procedure varies depending on whether the IRF fabric has a single or multiple members.
Performing an ISSU for a multichassis IRF fabric
Before upgrade, use the display version comp-matrix file { boot filename | system filename | feature
filename&<1-30> } * or the display version comp-matrix file ipe ipe-filename command to examine the
compatibility between the new and old images and identify the upgrade methods.
• If a new image is on the Version compatibility list, the new and old images are compatible.
• If a new image is not on the Version compatibility list, the new and old images are incompatible.
To perform an ISSU for a compatible version:
Ste
p
Command Remarks
1. Enter system view.
system-view N/A
2. (Optional.) Set the
automatic rollback
timer.
issu rollback-timer minutes
By default, the automatic-rollback
interval is 45 minutes.
This timer starts when you execute the
issu run switchover command. If you do
not execute the issu accept or issu commit
command before this timer expires, the
system automatically rolls back to the
original software configuration.
3. Return to user view.
quit N/A
4. Specify the upgrade
images as the main
startup software
images for
subordinate
members and
upgrade the
subordinate
members.
• Method 1:
issu load file { boot filename |
system filename | feature
filename&<1-30> } * slot
slot-number
• Method 2:
issu load file ipe ipe-filename slot
slot-number&<1-9>
Specify the member IDs of the
subordinate members to be upgraded for
the slot slot-number&<1-9> option.
5. Perform a
master/subordinate
switchover.
issu run switchover N/A
6. (Optional.) Accept
the upgrade and
delete the
automatic-rollback
timer.
issu accept N/A

HP 5920 Series Specifications

General

Brand	HP
Model	5920 Series
Category	Switch
Language	English