C2960 Error message with a new IOS

[Hans Blink]

Hi experts

I’m deploying new images on my switch 2960 24TT L. After installing the new image (c2960-lanbasek9-mz.122-58.SE1.bin) and reboot the switch I have always this error message : “Error loading "c2960-lanbasek9-mz.122-58.SE1.bin"

Interrupt within 5 seconds to abort boot process.

Loading "flash:/c2960-lanbasek9-mz.122-58.SE1.bin"...@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@ ”

But the switch still boot well. Someone can tell me why do I have this error message?

Thank you in advance

[Peter Paluch · Accepted solution]

Hans,

This is caused by the fact that 2960 Catalysts maintain the precise path to the image they used to boot from before the upgrade, and because you have not updated the boot path, the switch is complaining - and then tries to boot the first IOS image it finds in the flash.

You can correct this problem by entering the following command in the global configuration mode:

boot system flash:/c2960-lanbasek9-mz.122-58.SE1.bin

Also, verify that setting using the command show boot

Best regards,

Peter

[Jon Marshall]

Peter

This is caused by the fact that 2960 Catalysts maintain the precise path to the image they used to boot from before the upgrade, and because you have not updated the boot path, the switch is complaining - and then tries to boot the first IOS image it finds in the flash.

I think the switch wasn't complaining because the boot path had not been updated but rather that it had been updated but with an incorrect path.

Jon

[Peter Paluch]

Jon,

You're right. I did not read the OP carefully. I've seen a similar message far too often in our lab after replacing an older IOS and not touching the boot variables (usually when the original IOS was unpacked from a TAR archive, then somebody erased the flash and we just loaded the IOS back through XModem and it was not placed in the same directory as before). I guess I just did the shoot-from-the-hip troubleshooting approach

Best regards,

Peter

[Hans Blink]

Thank you Peter for your rapid answer. It works very well after entered the command that you shown me.

Before I had entered the command boot system c2960-lanbasek9-mz.122-58.SE1.bin without the word flash.

Regards,

[Leo Laohoo]

Hey Hans,

If you only have one IOS then you don't need a boot variable.

[Peter Paluch]

Hello Leo,

That is true. Then again, as Jeff Doyle would eloquently put it, booting with an incorrect boot variable "offends our sense of network aesthetics" - and besides, it wastes 5 seconds on each boot as the switch waits for the user input.

Best regards,

Peter