R21xx-HP FlexFabric 11900 Fundamentals Command Reference
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• Determines the ISSU methods.
The ISSU methods available for a compatible version include:
{ Incremental upgrade. During the upgrade, the involved processes will be upgrade.
{ ISSU reboot. During the upgrade, CPUs will be rebooted.
{ Reboot. During the upgrade, the specified MPU or member devices will be rebooted.
The ISSU method for an incompatible version is always reboot.
• Uses the ISSU methods to upgrade the specified MPU or member devices, and configures the
upgrade software images as the main startup software images for the specified MPU or member
devices.
For more information about ISSU methods, see Fundamentals Configuration Guide.
Examples
# In standalone mode (dual-MPU), upgrade the standby MPU with the feature image file
flash:/feature.bin. (In this example, the image is compatible with the running images.)
<Sysname> issu load file feature flash:/feature.bin slot 5
This operation will delete the rollback point information for the previous upgrade and
maybe get unsaved configuration lost. Continue? [Y/N]:Y
Upgrade summary according to following table:
flash:/feature.bin
Running Version New Version
Alpha 7122 Alpha 7123
Slot Upgrade Way
5 Service Upgrade
Upgrading software images to compatible versions. Continue? [Y/N]:y
# In standalone mode (dual-MPU), upgrade the standby MPU with the feature image file
flash:/feature.bin. (In this example, the image is incompatible with the running images.)
<Sysname> issu load file feature flash:/feature.bin slot 5
This operation will delete the rollback point information for the previous upgrade and
maybe get unsaved configuration lost. Continue? [Y/N]:Y
Upgrade summary according to following table:
flash:/feature.bin
Running Version New Version
Alpha 7122 Alpha 7123
Slot Upgrade Way
5 Reboot
Upgrading software images to incompatible versions. Continue? [Y/N]:y
# In standalone mode (single-MPU), upgrade the MPU with the feature image file flash:/feature.bin. (In
this example, the image is compatible with the running images.)
<Sysname>issu load file feature flash:/feature.bin slot 4
This operation will delete the rollback point information for the previous upgrade and
maybe get unsaved configuration lost. Continue? [Y/N]:Y
Upgrade summary according to following table:










