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Performing an ISSU by using install series
commands
Performing an ISSU
Obtaining and decompressing an .ipe file
If the images required for the ISSU are distributed in an .ipe file, you must obtain and decompress
the .ipe file before starting the ISSU.
Follow these steps:
1. Transfer the .ipe file to the root directory of the master device's storage medium by using FTP or
TFTP.
2. Use the display install ipe-info command to view which software images are included in the .ipe
file.
3. Decompress the .ipe file by using the following command in user view:
Task
Command
Decompress an .ipe file. install add ipe-filename medium-name:
Installing or upgrading software images
To install or upgrade multiple images with the install activate command, use one of the following
methods:
• Slot by slot—For each slot, use a single command to activate all the images.
• Image by image—Activate one image on all slots before activating another image.
To install a feature image or patch image, you must install it on the master first. To upgrade an image, you
must upgrade the image on one subordinate member first.
For an incremental upgrade, you must confirm the software changes to keep activated images effective
after a reboot. However, you do not need to confirm software changes for a reboot or ISSU reboot
upgrade, because the install activate command changes the startup software image sets.
To install or upgrade a boot image, a system image, or feature images, execute the following commands
in user view:
Ste
Command
1. (Optional.) Identify the ISSU
method to be used for the
upgrade and view the possible
impact of the upgrade.
install activate { boot filename | system filename | feature
filename&<1-30> } * slot slot-number test
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