IP IPS - ip ips sdf location CLI not working

Hi guys,

It seems to me like the documentation says we can load the signature
definition file via the command "ip ips sdf location .." , as reported by
[1] below, but this seems to be not supported on the box.

Well, I went ahead and configured my IPS policy on the router, but as it
were, I could not enable the icmp echo and echo-reply signatures (2000 and
2004).

Any help/pointers would be very helpful.

Thanks,
Sadiq

[1]
http://www.cisco.com/en/US/docs/ios/sec_data_plane/configuration/guide/sec_cfg_ips_external_docbase_0900e4b180de56d7_4container_external_docbase_0900e4b180e076b5.html#wp1175461

 R6(config)#ip ips ?
  auto-update Auto Update
  config Location of IPS configuration files
  deny-action Specify Deny action
  event-action-rules Event Action Rules (SEAP)
  fail Specify what to do during any failures
  name Specify an IPS rule
  notify Specify the notification mechanisms (SDEE or log)
for
                        the alarms
  signature-category Signature Category
  signature-definition Signature Definition

R6#
R6#conf t
Enter configuration commands, one per line. End with CNTL/Z.
R6(config)#ip ips si
R6(config)#ip ips signature-de
R6(config)#ip ips signature-definition
R6(config-sigdef)#si
R6(config-sigdef)#signature 2000 0
Unable to locate sig 2000:0
R6(config-sigdef)#si
R6(config-sigdef)#signature ?
  <1-65535> Signature ID value

R6(config-sigdef)#signature
% Incomplete command.

R6(config-sigdef)#
R6(config-sigdef)#
R6(config-sigdef)#end
R6#
R6#
R6#dir
May 15 22:57:44.932: %SYS-5-CONFIG_I: Configured from console by console
R6#dir
Directory of flash:/

    1 -rw- 5650 May 8 2010 16:40:48 +00:00 -0
    2 -rw- 5650 May 8 2010 17:10:14 +00:00 -1
    3 -rw- 5834 May 8 2010 23:02:20 +00:00 -2
    4 -rw- 5834 May 8 2010 23:10:14 +00:00 -3
    5 -rw- 1823 Feb 22 2007 09:09:30 +00:00 sdmconfig-2811.cfg
   13 drw- 0 May 15 2010 22:32:30 +00:00 IPS
    6 -rw- 833024 Feb 22 2007 09:10:16 +00:00 es.tar
    7 -rw- 1052160 Feb 22 2007 09:10:34 +00:00 common.tar
    8 -rw- 1038 Feb 22 2007 09:10:50 +00:00 home.shtml
    9 -rw- 102400 Feb 22 2007 09:11:04 +00:00 home.tar
   *10 -rw- 491213 Feb 22 2007 09:11:22 +00:00 128MB.sdf*
   11 -rw- 398305 Feb 22 2007 09:12:04 +00:00
sslclient-win-1.1.0.154.pkg
   12 -rw- 60324084 Mar 19 2010 11:03:00 +00:00
c2800nm-adventerprisek9_sna-mz.124-24.T1.bin

64016384 bytes total (733184 bytes free)
R6#
R6#sh ver | i IOS
Cisco IOS Software, 2800 Software (C2800NM-ADVENTERPRISEK9_SNA-M), Version
12.4(24)T1, RELEASE SOFTWARE (fc3)
R6#

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Received on Sat May 15 2010 - 23:47:43 ART