From: kym blair (kymblair@xxxxxxxxxxx)
Date: Sat Jul 20 2002 - 10:35:10 GMT-3
Malcolm,
The 2500 routers run the ios in flash (they do not copy it to dram), so the
flash with the running ios is read-only.
You need to set the config register to 0x2141, "write erase" (in case you
have any bad configuration commands such as "partition flash"), and reload
(answer 'no' when you are asked if you want to save your changes before
reload).
You'll boot off of bootrom rather than flash. Both sticks of flash will be
read-write. You shouldn't see a partition, but if you do just enter "no
partition flash".
You can then install an ip address on your ethernet interface, install a
default-gateway if your tftp server is not local, copy your existing ios
image to tftp server, erase flash, and copy your new image from tftp into
the 16MB flash.
Set the config-reg back to 0x2102, reload, and "copy run start". You should
be in business.
HTH, Kym
>From: "Malcolm Price" <malcolm@lanbase.com>
>Reply-To: "Malcolm Price" <malcolm@lanbase.com>
>To: <ccielab@groupstudy.com>
>Subject: 2500 read only flash
>Date: Sat, 20 Jul 2002 13:02:20 +0100
>
>Guys,
>
>I've looked on cisco.com and drawn a blank so far.
>
>I have a 2514 with two, 8mb flash modules installed. However one of them is
>set to read-only. Does anyone know how to set it back to read-write..?
>
>There is probably an obvious way but I can't seem to find it..
>
>Thanks it's appreciated.
>
>Regards,
>Malcolm
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