General upgrade steps For Cisco Switches

• 2960,3750,3560,4500,6500:

1. Stack, VSS,3850&3650(To Bundle):

1. Copy the image to all switches/supervisors:
2. No boot system
3. Boot system <dir (flash/bootflash:/bootdisk:)>:<new image>
4. Save and reload

2. 3850,3650: (Install to install):

1. No need to copy the image to all switches, only on the master.
2. Use the commands in the document:(This command will copy the image to all switches and expand it and will change the boot variable and save and reload the switches automatically).

3.x: software install file flash:<> (if to 16.x add new force)

16.x: request platform software package install switch all file flash:<>

3. no boot system
4. boot system flash:new image.conf
5. Check and save and reload

3. 3850,3650: (Bundle to install):
   
   

1. No need to copy the image to all switches, only on the master.
2. Use the commands in the document:(this command will copy the image to all switches and expand it).

3.x: software expand file flash:

16.x: request platform software package expand switch all file flash:

3. no boot system
4. boot system flash:new image.conf
5. Check and save and reload

4. Recommended BU releases for 9K switches:

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9300-series-switches/214814-recommended-releases-for-catalyst-9200-9.html

5. Upgrade Guide for Cisco Catalyst 9000 Switches:

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

6. Recommended BU releases for DSBU switches:

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-6500-series-switches/214946-recommended-releases-for-catalyst-2960-3.html

7. Important Note:

you can use more flash:<image>.conf to check the content of the .conf image.