Cisco IPS-4255-K9 Installation Guide - Page 332
Upgrading and Analysis Engine, Which Updates to Apply and Their Prerequisites
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Troubleshooting the Appliance Chapter A Troubleshooting • Issues With Automatic Update, page A-55 • Updating a Sensor with the Update Stored on the Sensor, page A-55 Upgrading and Analysis Engine If you try to upgrade an IPS sensor, you may receive an error that Analysis Engine is not running: sensor# upgrade scp://[email protected]/upgrades/IPS-K9-7.0-1-E3.pkg Password: ******** Warning: Executing this command will apply a major version upgrade to the application partition. The system may be rebooted to complete the upgrade. Continue with upgrade?: yes Error: AnalysisEngine is not running. Please reset box and attempt upgrade again. If you receive this error, you must get Analysis Engine running before trying to upgrade again. This error is often caused by a defect in the currently running version. Try rebooting the sensor, and after reboot, run the setup command and remove the interfaces from the virtual sensor vs0. When it is not monitoring traffic, Analysis Engine usually stays up and running. You can upgrade at this time. After the upgrade, add the interfaces back to the virtual sensor vs0 using the setup command. Or you can use the system image file to reimage the sensor directly to the version you want. You can reimage a sensor because the reimage process does not check to see if Analysis Engine is running. Caution Reimaging using the system image file restores all configuration defaults. For More Information • For more information on running the setup command, see Chapter 10, "Initializing the Sensor." • For more information on reimaging your sensor, see Chapter 12, "Upgrading, Downgrading, and Installing System Images." Which Updates to Apply and Their Prerequisites You must have the correct service pack and minor and major version of the software. If you are having trouble with applying new software, make sure that you are applying the proper updates with the proper prerequisites: • Signature updates require the minimum version and engine version listed in the filename. • Engine updates require the major or minor version in the engine update filename. Service packs require the correct minor version. • Minor versions require the correct major version. • Major versions require the previous major version. For More Information To understand how to interpret the IPS software filenames, see IPS Software Versioning, page 11-2. A-54 Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0 OL-18504-01