From: Chris (clarson52@comcast.net)
Date: Thu Oct 10 2002 - 17:13:52 GMT-3
2500's run from flash so you can't tell the system to erase itself when it
needs it to run and it runs it from flash.
You can with 26's and up because they load the ios into memory and you can
erase the flash while the router is in normal boot.
Type
copy tftp flash
and follow the prompts
----- Original Message -----
From: "Jung, Jin" <jin.jung@lmco.com>
To: "ccielab" <ccielab@groupstudy.com>
Sent: Thursday, October 10, 2002 2:46 PM
Subject: upgrade IOS - flash (read only)
> Hi all,,
>
> I just purchased some 2500 router for the home lab,,
> I was just trying to upgrade the IOS , but it will not erase the flash
> files,
> Now I found out that flash memory is read-only,,
>
> Is there any way to upgrade this?
> I wish I knew,,,,,
>
>
> System flash directory:
> File Length Name/status
> 1 10225360 /c2500-js-l_120-9.bin
> [10225424 bytes used, 6551792 available, 16777216 total]
> 16384K bytes of processor board System flash (Read ONLY)
>
> r1#erase flash:
> Erasing the flash filesystem will remove all files! Continue? [confirm]
> %dev_open: System flash not writable
> %Error erasing flash: (Device is read-only)
> r1#
>
>
> r1#delete flash:
> Delete filename []? /c2500-js-l_120-9.bin
> Delete flash:/c2500-js-l_120-9.bin? [confirm]
> %Error deleting flash:/c2500-js-l_120-9.bin (Device is read-only)
This archive was generated by hypermail 2.1.4 : Tue Nov 05 2002 - 08:35:44 GMT-3