IOS ISSUES 3550

[Flyers01]

I have several sites doing a upgrade which will require a power cycle of all equipment.
I have 3560 and 3550 so far half of my sites had 3550 loose the IOS during boot up. What could cause this.

I checked several switches and and there has been no change to the config or register.

If you any idea please let me know

 

[burtsbees]

So, a sh flash shows nothing on the flash?

/

tim@tim-laptop ~ $ sudo apt-get install windows
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package windows...Thank Goodness!

 

[Flyers01]

boots up to
switch:
I hit dir and there is nothing there

 

[burtsbees]

you have to do

switch: dir flash:

with the : at the end, or nothing will show up.

/

tim@tim-laptop ~ $ sudo apt-get install windows
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Couldn't find package windows...Thank Goodness!

 

[Viconsul]

Do a dir flash: as mentioned above and you will find the file is in your flash but not extracted, usually down to using a tar file for the upgrade and using copy tftp to flash instead of archive download-sw /overwrite /reload tftp://tftpserver/file.tar

 

[imbadatthis]

or its a .bin and you forgot to set it as the boot in config ?
assuming that dir flash: shows the image:



conf t
boot system flash YOURIMAGENAME.bin
ctrl + z
wr mem



We must go always forward, not backward
always up, not down and always twirling twirling towards infinity.

 

[Cluebird]

Good change you pooched your IOS on the upgrade if you fat-fingered the copy run start command. If you aren't paying attention, you can accidently overwrite your flash with your config file, especially with older devices.

Do you have a copy of the image you're running?