Cisco Catalyst 9000 Switch Upgrade [Bundle Mode]

For Catalyst 9000 switches upgrade, the Bundle mode is a straightforward way.

The following steps are valid for these Catalyst switch models According to Cisco documentation.

Step 1: Download the Catalyst 9K IOS-XE image from Cisco Site.

Step 2 : Add the image to bootflash:

Switch#copy usbflash0:/cat9k_iosxe.16.12.01.SPA.bin bootflash:/

Step 3: Check the actual boot variable on the switch:

Switch#show boot
BOOT variable = bootflash:cat9k_iosxe.16.11.01.SPA.bin;
Configuration Register is 0x102
MANUAL_BOOT variable = no
BAUD variable = 9600

Step 4: Set the target boot Variable:

The next time you reload, the switch boots into 16.12.01 rather than 16.11.01

Switch#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
Switch(config)#no boot sys
Switch(config)#boot system bootflash:cat9k_iosxe.16.12.01.SPA.bin
Switch(config)#end
Switch#wr
Switch#

Step 5: Verify the boot Variable:

Switch#show run | inc boot system
boot system bootflash:cat9k_iosxe.16.12.01.SPA.bin
Switch#
Switch#show boot
BOOT variable = bootflash:cat9k_iosxe.16.12.01.SPA.bin; <--- 
Configuration Register is 0x102
MANUAL_BOOT variable = no
BAUD variable = 9600

Then reload the switch. It will take a moment to boot.

When it’s up verify the version:

Switch#show version

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9300-series-switches/216231-upgrade-guide-for-cisco-catalyst-9000-sw.html#anc3

Bilel-A

Enthusiastic Network Engineer specializing in Cisco ACI, passionate about solving challenges. A lifelong learner who loves gaining and sharing knowledge. Profile: https://www.linkedin.com/in/bilel-ameur-71116b2b5