stack switch ios upgrade

kamzank · ‎03-05-2020

Hi

Please assist i have 4 switches 3850 as stack,primary is running v16.3.7 IOS and the rest of the switches running v16.3.6 how do i configure primary to update the the rest of switches with latest version.Thanks

Mark Malone · ‎03-06-2020

Hi

here is the official upgrade guide for that IOS version , see the section , follow the commands exactly you should see same results as the document as its upgrades

https://www.cisco.com/c/en/us/td/docs/switches/lan/catalyst3850/software/release/16-3/release_notes/ol-16-3-3850.html#pgfId-1165679

Copy New Image to Stack

Step 2 Copy the new image to flash: (or skip this step if you want to use the new image from your TFTP server)

Switch# copy tftp://5.28.11.250/cat3k_caa-universalk9.16.05.01aSPA.bin flash:cat3k_caa-universalk9.16.05.01a.SPA.bin

Destination filename [cat3k_caa-universalk9.16.05.01a.SPA.bin]?

Accessing tftp://5.28.11.250/cat3k_caa-universalk9.16.05.01a.SPA.bin...

Loading cat3k_caa-universalk9.16.05.01a.SPA.binfrom 5.28.11.250 (via GigabitEthernet0/0):

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

[OK - 465466221 bytes]

465466221 bytes copied in 118.175 secs (3938788 bytes/sec)

Switch#

Step 3 Use the dir flash command to confirm that the image has been successfully copied to flash.

Switch# dir flash:*.bin

Directory of flash:/*.bin

Directory of flash:/

7759 -rw- 465466221 Aug 1 2016 04:35:43 +00:00 cat3k_caa-universalk9.16.05.01a.SPA.bin

1621966848 bytes total (598597632 bytes free)

Switch#

Software Install Image to Flash

Step 4 Use the request platform software package install switch all file flash: auto-copy command to install the target image to flash. We recommend copying the image to a TFTP server or the flash drive of the active switch.

If you point to an image on the flash or USB drive of a member switch (instead of the active), you must specify the exact flash or USB drive. For example, if the image is on the flash drive of member switch 3:

request platform software package install switch all file flash-3:cat3k_caa-universalk9.16.03.05.SPA.bin new auto-copy

Expanding image file: flash-3: cat3k_caa-universalk9.16.03.05.SPA.bin

[3]: Copying flash-3: cat3k_caa-universalk9.16.03.05.SPA.bin from switch 3 to switch 1 2 4

Note Use the switch all option to upgrade all switches in your stack
Use the auto-copy option to copy the.bin image from flash: to all other switches in your stack