Problem upload IOS on switch 2960

Unanswered Question
Nov 18th, 2008

Dear All Expert,

i had some issue on IOS Cisco switch 2960,i tried to upload IOS in to switch 2960 but i show error as below please kindly see as below:

switch: copy xmodem: flash:c2960-lanbasek9-mz.122-35.SE1

Begin the Xmodem or Xmodem-1K transfer now...

CCCCCCCCCC BB0BB0xmodem:: I/O error

Could you help to solve this problem?

Best Regards,


I have this problem too.
0 votes
  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 0 (0 ratings)
glen.grant Wed, 11/19/2008 - 05:56

Check to see if you have room in flash , in these smaller switches sometimes you have to delete the existing image before putting in a new one.

rechard_hk Wed, 11/19/2008 - 06:58

Dear Glen,

Sure i deleted before i upload.

So how i can i do now?

Best Regards,


This Discussion