How to Upgrade Cisco IOS in a Cisco Router or a Switch

19 Comments

  1. Hi I am Bippin srivathsa, I am interested in formattin the flash, plz let me know if it is possible

  2. Author

    format flash:

    should do….but this completely removes everything from the flash

  3. hello

    Please send me How Download New Flash file and how to upgrade
    flash file

    plase send ..

    in which side free download .bin flle of flash memory

    thanks

  4. Hi I am Bippin srivathsa, I am interested in formattin the flash, plz let me know if it is possible

  5. it still post error message

  6. Thanks for this info, I was stuck just at the last hurdle of setting the new IOS to start after the reload. Wasnlt putting :/ beforee the .bin filename

    Cheers

    David

  7. Hi,

    I tried as shows this output but if you can see at the end you’ll see where I’m blocked

    BC-KIN-HQ-SW_LOG#sh flash

    Directory of flash:/

    2 -rwx 1304 Mar 12 1993 00:37:15 +01:00 vlan.dat
    4 -rwx 7216 Mar 24 1993 07:43:19 +01:00 config.text
    5 drwx 192 Mar 1 1993 01:06:46 +01:00 c3560-ipbase-mz.122-35.SE5
    463 -rwx 5 Mar 24 1993 07:43:19 +01:00 private-config.text

    15998976 bytes total (6936576 bytes free)

    BC-KIN-HQ-SW_LOG#copy flash tftp
    Source filename []? config.text
    Address or name of remote host []? 10.10.100.23
    Destination filename [config.text]?
    !!!
    7216 bytes copied in 0.025 secs (288640 bytes/sec)

    BC-KIN-HQ-SW_LOG#copy flash tftp
    Source filename [config.text]? vlan.dat
    Address or name of remote host []? 10.10.100.23
    Destination filename [vlan.dat]?
    !!
    1304 bytes copied in 0.008 secs (163000 bytes/sec)

    BC-KIN-HQ-SW_LOG#copy flash tftp
    Source filename [c3560-ipbase-mz.122-35.SE5.bin]? c3560-ipbase-mz.122-35.SE5
    Address or name of remote host []? 10.10.100.23
    Destination filename [c3560-ipbase-mz.122-35.SE5]?
    %Error reading flash:c3560-ipbase-mz.122-35.SE5 (Is a directory)

    My big problem is the last message. I can’t copy the ios from the flash to my computer. it says : %Error reading flash:c3560-ipbase-mz.122-35.SE5 (Is a directory)

    Can U help me soleve this issue please

  8. I erased the flash

    and now I want to restaure the system

    can you help me

  9. flashfs[0]: 0 files, 1 directories
    flashfs[0]: 0 orphaned files, 0 orphaned directories
    flashfs[0]: Total bytes: 32514048
    flashfs[0]: Bytes used: 1024
    flashfs[0]: Bytes available: 32513024
    flashfs[0]: flashfs fsck took 7 seconds.
    …done Initializing Flash.
    Boot Sector Filesystem (bs) installed, fsid: 3
    done.
    Loading “flash:c3560-ipbase-mz.122-35.SE5/c3560-ipbase-mz.122-35.SE5.bin”…flas
    h:c3560-ipbase-mz.122-35.SE5/c3560-ipbase-mz.122-35.SE5.bin: no such file or dir
    ectory

    Error loading “flash:c3560-ipbase-mz.122-35.SE5/c3560-ipbase-mz.122-35.SE5.bin”

    Interrupt within 5 seconds to abort boot process.
    Boot process failed…

    The system is unable to boot automatically. The BOOT
    environment variable needs to be set to a bootable
    image.

    switch:

  10. Thanks …. really help this explanation. I have upgrade IOS without any error.

    Thanks Again.

  11. my i do upgrade the ios remotely after deleting the current image in the router

  12. Thanks for the tip. I treat my Cisco routers like my women. Well, maybe that doesn’t make sense, however, I jotted down your tips.

  13. %Error reading flash:c3560-ipbase-mz.122-35.SE5 (Is a directory)

    Hi u got this error bcos u tried to copy the whole directory so go under the directory c3560-ipbase-mz.122-35.SE5.

    cd flash:c3560-ipbase-mz.122-35.SE5
    CiscoL3Sw-2#dir
    Directory of flash:/c3560-ipbase-mz.122-35.SE5/

    8 -rwx 6875865 Mar 1 1993 00:06:58 +00:00 c3560-ipbase-mz.122-35.SE5.bin
    9 drwx 4160 Mar 1 1993 00:07:19 +00:00 html
    464 -rwx 422 Mar 1 1993 00:07:53 +00:00 info

    so

    copy flash:c3560-ipbase-mz.122-35.SE5/c3560-ipbase-mz.122-35.SE5.bin tftp:
    Address or name of remote host []?
    Destination filename [c3560-ipbase-mz.122-35.SE5.bin]?
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    6875865 bytes copied in 20.048 secs (342970 bytes/sec)

    that is it.

    enjoy.

  14. Hi, Chill

    I got the same error:

    %Error reading flash:c3560-ipbase-mz.122-35.SE5 (Is a directory)

    “”””””””””””””””””””””””””””””””””””””””””””””””””””””””
    Following as below it’s working

    Switch#copy flash tftp
    Source filename [c3750-ipbasek9-mz.122-50.SE1.bin]? c3750-ipbasek9-mz.122-50.SE1/c3750-ipbasek9-mz.122-50.SE1.bin
    Address or name of remote host []? 192.168.2.2
    Destination filename [c3750-ipbasek9-mz.122-50.SE1.bin]?
    !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    10281014 bytes copied in 36.692 secs (280198 bytes/sec)
    Switch#

  15. on deleting current ios recursive is misspelled on how to…very nice instructions though!

  16. hi i have some problem in my IT work plz help me.

  17. hi i am humza I have a problem in my switch catalyst 3500 series so the problem is that they show in the starting this format switch: so please recommend me for the solution.

    Thanks
    humza

  18. Thanks alot for your help

    Regards

  19. could some one help how we delete the image permamenently from flash. becoz i try that but it again see to me with some [] value just like we delete some files and it see in recycle bin so any one who can give me the command in 3560 switch

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