What files can I delete from the flash memory in a Cisco 851W router?

Long story short - I'm not that good w/Cisco equipment yet.

I have a Cisco 851W router and tried the built-in SDM Express to configure it.  Every time I tried configuring the firewall, I received an error message when software tried to deliver the class-maps to the router (happens regardless of the firewall security level I select).

Went to the Cisco website and found CP Express 1.3.  Downloaded it and installed it into the router.  CP Express let me configure the router, but is severly limited compared to SDM Express.

I re-installed SDM Express (v2.5) back into the router, but now I can't reinstall the "wireless application" back into the device.

I installed Cisco Configuration Pro 1.3 onto my PC, went to "Flash File Management" and tried to upload the file wlanui.tar; the file was backed up to my PC when I installed CP Express.

Error message is "The size of the file to be copied is 2242560 bytes.  There is not enough free memory on your router's flash.  Delete some non-Cisco CP files (and squeeze, if necessary) to free up space."  (Listing of files in the flash appears below.)

What file(s) can I delete from the flash to make space?

-- Jim

cisco1#show flash
20480K bytes of processor board System flash (Intel Strataflash)
 
Directory of flash:/
 
    2  -rwx    12701008   --- -- ---- --:--:-- -----  c850-advsecurityk9-mz.124-15.T7.bin
    3  -rwx        1038  Jul 11 2009 05:40:40 +00:00  home.shtml
    4  -rwx        3331   Mar 1 2002 02:43:04 +00:00  cpconfig-8xx.cfg
    5  -rwx      112640  Jul 11 2009 05:40:47 +00:00  home.tar
    6  -rwx     2324992   Mar 1 2002 02:44:44 +00:00  cpexpress.tar
    7  -rwx        3179  Jul 11 2009 05:40:40 +00:00  sdmconfig-8xx.cfg
    8  -rwx      931840  Jul 11 2009 05:41:46 +00:00  es.tar
    9  -rwx       10687  Jul 10 2009 15:59:56 +00:00  SDM_Backup
   10  -rwx     1505280  Jul 11 2009 05:43:58 +00:00  common.tar
 
19353600 bytes total (1748992 bytes free)
cisco1#

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James St. JohnCTOAsked:
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Robert Sutton JrSenior Network ManagerCommented:
Do you have another place to store your IOS file? Since that is the one taking up the most space. If the version is loaded, you can just take the copy of the bin and back it up to a local PC. This would allot' you room for your file and also have the IOS bin saved in case you needed to use it in the future.
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James St. JohnCTOAuthor Commented:
Warlock:

Result of show version appears below.

Based upon the result, can I remove the c850-advsecurityk9-mz.124-15.T7.bin file?
I don't know if the file needs to be in the flash in order for the router to operate.

Thanks
-- Jim



Cisco IOS Software, C850 Software (C850-ADVSECURITYK9-M), Version 12.4(15)T7, RELEASE SOFTWARE (fc3)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2008 by Cisco Systems, Inc.
Compiled Thu 14-Aug-08 07:18 by prod_rel_team

ROM: System Bootstrap, Version 12.3(8r)YI4, RELEASE SOFTWARE

cisco1 uptime is 3 hours, 15 minutes
System returned to ROM by reload
System restarted at 15:09:49 PCTime Sat Jul 11 2009
System image file is "flash:c850-advsecurityk9-mz.124-15.T7.bin"


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

Cisco 851W (MPC8272) processor (revision 0x300) with 59392K/6144K bytes of memory.
Processor board ID FHK000000BS
MPC8272 CPU Rev: Part Number 0xC, Mask Number 0x10
5 FastEthernet interfaces
1 802.11 Radio
128K bytes of non-volatile configuration memory.
20480K bytes of processor board System flash (Intel Strataflash)

Configuration register is 0x2102
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James St. JohnCTOAuthor Commented:
Warlock:

Was able to figure out that it was OK to delete the CP Express files (cpexress and cpconfig) to make room for the wireless app.

Thanks for the help,
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