Hi Hans,

The flash in the 2500 always said read-only. This platform runs the IOS from
flash, therefore when the router is running the flash is read-only as not to
write over the IOS. There is a boot helper mode (config register 0x2101) which
you can go to, to change the IOS image.

Rich

On Feb 2, 11:37pm, Hans Stout chatted about:
> Subject:System Flash Read Only
> Hi colleagues,
>
> I just installed some third party flash memory into my 2501, and the 'sh
> ver' says that the system flash is read only. How can I change that to
> read/write ? Is that a configuration register setting ? Or a jumper setting
> ?
> Thanks for your advice in advance.
>
> Regards,
>
> Hans
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