Contents
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Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.1
OL-24002-01
Preventive Maintenance
E-2
Understanding Preventive Maintenance
E-2
Creating and Using a Backup Configuration File
E-3
Backing Up and Restoring the Configuration File Using a Remote Server
E-3
Creating the Service Account
E-5
Disaster Recovery
E-6
Recovering the Password
E-7
Understanding Password Recovery
E-8
Recovering the Password for the Appliance
E-8
Using the GRUB Menu
E-8
Using ROMMON
E-9
Recovering the ASA 5500-X IPS SSP Password
E-10
Recovering the ASA 5585-X IPS SSP Password
E-12
Disabling Password Recovery
E-13
Verifying the State of Password Recovery
E-14
Troubleshooting Password Recovery
E-15
Time Sources and the Sensor
E-15
Time Sources and the Sensor
E-15
Synchronizing IPS Module Clocks with Parent Device Clocks
E-16
Verifying the Sensor is Synchronized with the NTP Server
E-16
Correcting Time on the Sensor
E-17
Advantages and Restrictions of Virtualization
E-17
Supported MIBs
E-18
When to Disable Anomaly Detection
E-19
Troubleshooting Global Correlation
E-19
Analysis Engine Not Responding
E-20
Troubleshooting RADIUS Authentication
E-21
Troubleshooting External Product Interfaces
E-21
External Product Interfaces Issues
E-21
External Product Interfaces Troubleshooting Tips
E-22
Troubleshooting the Appliance
E-22
The Appliance and Jumbo Packet Frame Size
E-23
Hardware Bypass and Link Changes and Drops
E-23
Troubleshooting Loose Connections
E-24
Analysis Engine is Busy
E-24
Communication Problems
E-25
Cannot Access the Sensor CLI Through Telnet or SSH
E-25
Correcting a Misconfigured Access List
E-27