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Upgrading the IOS on Cisco 4506 Catalyst Switch using Supervisor Engine IV

Posted on 2010-08-20
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Last Modified: 2012-05-10
I have a Cisco 4506 Switch with a Supervisor Enigine IV that I want to upgrade the IOS on.  So I downloaded the IOS from Cisco, used my TFTP server to copy the image to the switch, but now I can't find the image.  I did "copy tftp flash" command when copying over the IOS, but there isn't a "show flash" command on this switch so I can't see it.  I did a dir: bootflash and can see the old image is there, but no the new image.  I tried to tftp the new image to the bootflash dir but it didn't work.  Any idea what directory the new image that did successfully copy to the switch is?  thanks.
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Question by:denver218
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by:Istvan Kalmar
ID: 33484001
what shows symple dir command?
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by:denver218
ID: 33484085
I tried "copy tftp bootflash:" again and it worked this time.  Then I used the below commands to boot to the new image

Swtich(config)boot system flash bootflash:new IOS Image
Switch(config)config-reg 0x2102
Switch(config)write mem

It's now booting to the new image.  Not sure why it wasn't eariler.  
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Istvan Kalmar earned 500 total points
ID: 33484102
write mem isn't workng on config mode only 'do write mem'
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Author Closing Comment

by:denver218
ID: 33484185
Yes your right it shoud look like this:
Swtich(config)boot system flash bootflash:new IOS Image
Switch(config)config-reg 0x2102
Switch#write mem


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