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C-37
Cisco Intrusion Prevention System CLI Sensor Configuration Guide for IPS 7.1
OL-19892-01
Appendix C Troubleshooting
Troubleshooting the Appliance
Total Broadcast Packets Transmitted = 0
Total Jumbo Packets Transmitted = 0
Total Undersize Packets Transmitted = 0
Total Transmit Errors = 0
Total Transmit FIFO Overruns = 0 ...
For More Information
For the procedure for installing the sensor properly, refer to your sensor chapter in Cisco Intrusion
Prevention System Appliances and Modules Installation Guide for IPS 7.1.
Cleaning Up a Corrupted SensorApp Configuration
If the SensorApp configuration has become corrupted and the SensorApp cannot run, you must delete it
entirely and restart the SensorApp.
To delete the SensorApp configuration, follow these steps:
Step 1 Log in to the service account.
Step 2 Su to root.
Step 3 Stop the IPS applications.
/etc/init.d/cids stop
Step 4 Replace the virtual sensor file.
cp /usr/cids/idsRoot/etc/defVirtualSensorConfig.xml
/usr/cids/idsRoot/etc/VS-Config/virtualSensor.xml
Step 5 Remove the cache files.
rm /usr/cids/idsRoot/var/virtualSensor/*.pmz
Step 6 Exit the service account.
Step 7 Log in to the sensor CLI.
Step 8 Start the IPS services.
sensor# cids start
Step 9 Log in to an account with administrator privileges.
Step 10 Reboot the sensor.
sensor# reset
Warning: Executing this command will stop all applications and reboot the node.
Continue with reset? [yes]:yes
Request Succeeded.
sensor#
For More Information
To learn more about IPS system architecture, see Appendix A, “System Architecture.”