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Beginner

Cisco 3850 Recovery

I'm currently experiencing an issue where my 3850 is no longer booting with the IOS is goes directly to the switch: prompt.

When I do a DIR command it doesn't show the Flash: directory.

 

I tried to perform the Flash_Init with the Emergency-Install using usbflash0: with no luck.

It comes up with no such device for the Flash.

The USB is working I'm able to do a listing of the contents.

Is it possible that the IDE drive is corrupt?

Thanks

Wayne

 

 

4 REPLIES 4
VIP Advisor

Re: Cisco 3850 Recovery

here is the guide to recovery from Switch: prompt

 

https://www.cisco.com/c/en/us/support/docs/switches/catalyst-3850-series-switches/117552-technote-cat3850-00.html

 

make sure you formatted the USB  right format, try use differnet vendor USB if not working.

BB
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Beginner

Re: Cisco 3850 Recovery

The USB is working fine, and I went through the recovery procedure.

 

The problem is that I don't have any Flash: directory when I perform the DIR command at the SWITCH prompt

VIP Advisor

Re: Cisco 3850 Recovery

 

1. Boot from usbflash0: and after successful boot from usbflash0:

2. Format flash:

3. Copy the IOS XE what you looking to upgrade from usbflash0: to flash:,

4. change the "boot system switch all flash:version.bin.

5.reboot

 

BB
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Hall of Fame Community Legend

Re: Cisco 3850 Recovery


@waubie wrote:

The problem is that I don't have any Flash: directory when I perform the DIR command at the SWITCH prompt


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