Problems upgrading signatures

Unanswered Question
Nov 11th, 2007
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I've a 2821 cisco router with intrusion prevention system ON. I can update signatures but, when I try to implement signatures, the SDM says that I need a format file which has been downloaded from

I do not have any file, only a sdf file uploaded to the flash.

what can I do?

Best regards

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Overall Rating: 3 (1 ratings)
rhermes Mon, 11/12/2007 - 10:11
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.sdf files were used with version of IOS prior to 12.4(11)T. You can either downgrade your IOS software, or retune your new signature files (now they are a whole directory of files) in SDM.

edgar-quintana Mon, 11/12/2007 - 10:37
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My 2821 has this IOS version:


I have no support to upgrade from cisco this ios version, then how can I upgrade the IPS?

Best regards

edgar-quintana Mon, 11/12/2007 - 10:45
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Hi again,

I have


Is bigger newer than I have installed isnt it?

edgar-quintana Tue, 11/13/2007 - 00:32
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No, I do not have any cco profile, I do not know how to purchase, how much it is.. and more.

I have a c2800nm-adventerprisek9-mz.124-13.bin, I will upgrade from c2800nm-adventerprisek9-mz.124-6T2.bin.

edgar-quintana Tue, 11/13/2007 - 00:41
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Hi again,

I follow this link using my actual profile and show this message:


There are currently no files for this type.

The most current Cisco recommended Basic and Advanced signature sets are in 128MB.sdf and 256MB.sdf files, respectively. Those files can be downloaded to SDM or CSM/IPS-MC directly from this page or to a Cisco router from a local FTP/TFTP/HTTP server.


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