[nsp] Cisco 2500 flash

jlewis at lewis.org jlewis at lewis.org
Wed Oct 22 18:37:26 EDT 2003

Reboot from ROM.  

conf t
config-register 0x2101

while running from ROM IOS, your flash will be writable.  You'll also be 
using a minimal feature set IOS that may not support things the router 
normally depends on.  Use caution.

When done writing to flash, 
conf t
config-register 0x2102

On Wed, 22 Oct 2003 Kashif.Khawaja at Broadwing.com wrote:

> Looking to see if someone has an idea about how to remove the write protection from the
> flash on a Cisco 2511.
> Remote#sh flash
> System flash directory:
> File  Length   Name/status
>   1   5710180  c2500-i-l.120-1
> [5710244 bytes used, 2678364 available, 8388608 total]
> 8192K bytes of processor board System flash ***(Read ONLY)***
> Any assistance would be appreciated.
> Thanks!
> Kashif.
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 Jon Lewis *jlewis at lewis.org*|  I route
 Senior Network Engineer     |  therefore you are
 Atlantic Net                |  
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