Release Notes

Release Notes for Cisco Intrusion Prevention System 5.1(7)E1

OL-8492-01

Before Upgrading to Cisco IPS 5.1(7)E1

Step 4 Choose Intrusion Prevention System (IPS).

Step 5 Enter your username and password.

Step 6 In the Download Software window, choose IPS Appliances > Cisco Intrusion Prevention System and

then click the version you want to download.

Note You must have an IPS subscription service license to download software.

Step 7 Click the type of software file you need.

The available files appear in a list in the right side of the window. You can sort by file name, file size,

memory, and release date. And you can access the Release Notes and other product documentation.

Step 8 Click the file you want to download. The file details appear.

Step 9 Verify that it is the correct file, and click Download.

Step 10 Click Agree to accept the software download rules.

The first time you download a file from Cisco.com, you must fill in the Encryption Software Export

Distribution Authorization form before you can download the software.

• Fill out the form and click Submit. The Cisco Systems Inc. Encryption Software Usage Handling

and Distribution Policy appears.

• Read the policy and click I Accept. The Encryption Software Export/Distribution Form appears.

If you previously filled out the Encryption Software Export Distribution Authorization form, and read

and accepted the Cisco Systems Inc. Encryption Software Usage Handling and Distribution Policy, these

forms are not displayed again. The File Download dialog box appears.

Step 11 Open the file or save it to your computer.

Step 12 Follow the instructions in the Readme to install the update.

Note Major and minor updates, service packs, recovery files, signature and signature engine updates

are the same for all sensors. System image files are unique per platform.

IPS Software Versioning

This section describes the various IPS software files, and contains the following sections:

• Major and Minor Updates, Service Packs, and Patch Releases, page 11

• Signature/Virus Updates and Signature Engine Updates, page 12

• Recovery, Manufacturing, and System Images, page 13

• 5.1 Software Release Examples, page 14