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# Identify the ISSU method to be used for the upgrade and view the possible impact of the upgrade.
<Sysname> display version comp-matrix file feature flash:/feature1-r0202.bin
Feature image: flash:/feature1-r0202.bin
Version:
V700R001B45D002
Version Compatibility List:
V700R001B45D002
Version Dependency System List:
V700R001B45D001
V700R001B45D002
Incompatible upgrade.
The output shows that the two versions are incompatible. The devices will be rebooted for the upgrade.
# Upgrade feature1 on the subordinate member.
<Sysname> issu load file feature flash:/feature1-r0202.bin slot 2
This operation will delete the rollback point information for the previous upgrade and
maybe get unsaved configuration lost. Continue? [Y/N]:y
Copying file flash:/feature1-r0202.bin to slot2#flash:/feature1-r0202.bin......Done.
Upgrade summary according to following table:
flash:/feature1-r0202.bin
Running Version New Version
Alpha 0201 Alpha 0202
Slot Upgrade Way
2 Reboot
Upgrading software images to incompatible versions. Continue? [Y/N]: y
# Upgrade feature1 on the original master.
<Sysname> issu run switchover
Upgrade summary according to following table:
flash:/feature1-r0202.bin
Running Version New Version
Alpha 0201 Alpha 0202
Slot Upgrade Way
1 Reboot
Upgrading software images to incompatible versions. Continue? [Y/N]: y
# Verify that both members are running the new image.
<Sysname> display install active
Active packages on slot 1:
flash:/boot-r2310.bin
flash:/system-r2310.bin
flash:/feature1-r0202.bin
Active packages on slot2:
flash:/boot-r2310.bin
flash:/system-r2310.bin
flash:/feature1-r0202.bin
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