212
At reboot, a subordinate device automatically synchronizes the master device's configuration and
status data. You must wait for the synchronization to complete before using the issu run switchover
command on the subordinate device. To identify whether the synchronization is complete, use the
display system stable state command. The synchronization is complete if the System State field
displays Stable.
When you execute the issu run switchover command during an ISSU to a compatible version, the
system starts the automatic rollback timer. If you do not execute the issu accept or issu commit
command before the timer expires, the system automatically rolls back to the original software
versions.
Examples
# On a multichassis IRF fabric, perform a master/subordinate switchover during an ISSU to a
compatible version.
<Sysname> issu run switchover
Upgrade summary according to following table:
flash:/feature1.bin
Running Version New Version
Test 0001015 Test 0001016
Slot Switchover Way
1 Active standby process switchover
Upgrading software images to compatible versions. Continue? [Y/N]:y
This operation might take several minutes, please wait...Done.
# On a multichassis IRF fabric, perform a master/subordinate switchover, and upgrade members that
have not been upgraded (member 1 and member 2) during an ISSU to an incompatible version.
<Sysname> issu run switchover
Copying file flash:/feature1.bin to slot2#flash:/feature1.bin...Done.
Verifying the file flash:/feature1.bin on slot 2...Done.
Upgrade summary according to following table:
flash:/feature1.bin
Running Version New Version
Test 0001015 Test 0001016
Slot Upgrade Way
1 Reboot
2 Reboot
Upgrading software images to incompatible versions. Continue? [Y/N]:y
This operation might take several minutes, please wait...Done.
Table 33 Command output
Field Description
Copying file
The system was copying the upgrade file to a subordinate member. This field is
displayed if you specified a subordinate member for the command during an
incompatible upgrade.
Verifying the file The system was verifying the validity of the file.
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