Cisco Catalyst 3850 Manual page 22

Performing the Stack Update
Switch Ports Model
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* 1 32 WS-C3850-24P
BUNDLE
2 32 WS-C3850-24P
BUNDLE
3 32 WS-C3850-24P
To learn the differences for the install and bundle installation modes, see the
Note
IOS File System, Configuration File, and Software Bundle Files"
Configuration Files, and Bundle Files Appendix, Cisco IOS XE Release 3SE (Catalyst 3850 Switches)
Step 3 If your switch stack is running in bundle mode, use the request platform software package expand
switch file to flash command to convert it to install mode.
request platform software package expand switch 1 file
flash:cat3k_caa-universalk9.BLD_V161_0_THROTTLE_LATEST_20151116_230450.SSA.b
in to flash::
After the .bin file has successfully extracted to flash, change the boot statement and boot to the
Step 4
packages.conf file.
no boot system
boot system switch all flash:packages.conf
exit
write memory
reload
Since the format of the pacakges.conf file has changed in Cisco IOS XE Release Denali 16.1, overwrite
Note
the old packages.conf with the new packages.conf file. Perform the above step for eachswitch in your
stack. If you have a 3 member stack, it will need to be done on flash:, flash-2:, and flash-3.
Make sure the tftp server is reachable. To improve performance, increase the tftp block size to 8192. Use
Note
the ip tftp blocksize bytes command in global configuration mode.
Best Practice User Guide for the Catalyst 3850 and Catalyst 3650 Switch Series
25
SW Version SW Image
---------- ----------
Denali 16.1.1 CAT3K_CAA-UNIVERSALK9
Denali 16.1.1 CAT3K_CAA-UNIVERSALK9
Denali 16.1.1 CAT3K_CAA-UNIVERSALK9
Switch Stack Update
Mode
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"Working with the Cisco
chapter of the Cisco IOS File System,