Password Recovery; Troubleshooting The 4200 Series Appliance - Cisco 4215 - Intrusion Detection Sys Sensor Configuration Manual

Appendix C Troubleshooting
3.
4.
Trying to copy the saved configuration without getting the sensor back to the same IPS software
Warning
version it had before the disaster can cause configuration errors.
5.
6.
7.

Password Recovery

The following password recovery options exist:
•
•
You can reimage the sensor using either the recovery partition or a system image file. For more
information, see

Troubleshooting the 4200 Series Appliance

This section contains information to troubleshoot the 4200 series appliance.
Before troubleshooting the appliance, check the Caveats section of the Readme for the software
Tip
version you have installed on your sensor to see if you are dealing with a known issue.
78-16527-01
You are prompted to change the cisco password.
Note
Run the setup command.
For the procedure, see Initializing the Sensor, page
Upgrade the sensor to the IPS software version it had when the configuration was last saved and
copied.
For more information on obtaining IPS software versions and how to install them, see
Cisco IPS Software, page
Copy the last saved configuration to the sensor.
For the procedure, see Creating and Using a Backup Configuration File, page
Update clients to use the new key and certificate of the sensor.
Reimaging changes the SSH keys and HTTPS certificate of the sensor. For the procedure, see
Adding Hosts to the Known Hosts List, page
Create previous users.
For the procedure, see Adding and Removing Users, page
If another Administrator account exists, the other Administrator can change the password.
If a Service account exists, you can log in to the service account and switch to user root using the
command su - root. Use the password command to change the CLI Administrator account's
password. For example, if the Administrator username is "adminu," the command is password
adminu. You are prompted to enter the new password twice. For more information, see
Service Account, page 4-13.
Chapter 17, "Upgrading, Downgrading, and Installing System Images."
Cisco Intrusion Prevention System Sensor CLI Configuration Guide for IPS 5.0
3-2.
18-1.
4-31.
Password Recovery
12-17.
4-11.
Obtaining
Creating the
C-3