See Creation and Management of Catalyst Switch Stacks Software Compatibility Switches with the same major version number but with a different minor version number as the stack master are considered partially compatible. Support Us Support this blog by purchasing one of my ebooks. Alternatively, you could provide and accept your own answer. Switches with the same major version numbers probably have the same stack protocol version, but that is not guaranteed. All rights reserved Terms of Service.
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I did this on both of my new switches. The software uses the automatic upgrade auto-upgrade and the automatic advise auto-advise features.
You should really set the IOS version to be the same before adding a switch to the stack. Just to make sure nothing went wrong during the copy, do a MD5 check-sum on this, and compare with the MD5 that you noted down from cisco website while downloading the IOS image.
IOS download - Cisco Community
Ron Royston 3, 1 5 Can i do that? For this you will need the credential to login and from there you can browse to pick the desired IOS. There is a situation here, I am trying to add a new switch to an exisiting stack and i found out that the switch image in my current stack and the new switch is different.
Here is a sample command output of what did on a I have downloaded the upgrade file but have not been able to installed using tftp. Switches with the same Cisco IOS software version have the same stack protocol version.
How to upgrade a Catalyst Series S - Cisco Community
File to be verified flash: For step 5 if you are using an older IOS the commands do not work. Now it is time to tell switch cisco to use the new ISO image to boot from. Cisco has a very good document, which contains a full explanation about this: Power off switch 6. I went to cisco. Switches with the same major version numbers probably have the same stack protocol version, but that is not guaranteed. Bharat August 21,1: The software detects the mismatched software and tries to upgrade or downgrade the switch in VM mode with the switch stack image or with a tar file image from the switch stack flash memory.
Switches uos different major version numbers are incompatible and cannot exist in the same switch stack.
To view the stack protocol version of your switch stack, you can issue the show platform stack manager all command. Basically, the switches need to have the same stack protocol version, and only switches with the same IOS version are guaranteed to have that.
However this examples shows how to upgrade ios image on a cisco catalyst switch. Thanks and really appreciate it. BostonDave May 20,9: Use a console cable to connect to the switch.
7 Steps to Upgrade IOS Image on Cisco Catalyst Switch or Router
Finally verify the current IOS version of the switch, after the cisck, it should display the new version as shown below. Cisco switch stack with different IOS images.
My focus is to write articles that will either teach you or help cjsco resolve a problem. Anyways I want to thank Ron for his help on this.
As the images were different I had to download IOS that matched the stack. Post as a guest Name. So, delete the current old image from the flash card. Software compatibility between the stack members is determined by the Stack Protocol Version number.