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Cisco Intrusion Prevention System Appliance Hardware Installation Guide for IPS 7.1
OL-24002-01
Appendix E Troubleshooting
Recovering the Password
Use the ^ and v keys to select which entry is highlighted.
Press enter to boot the selected OS, 'e' to edit the
Commands before booting, or 'c' for a command-line.
Highlighted entry is 0:
Step 2 Press any key to pause the boot process.
Step 3 Choose 2: Cisco IPS Clear Password (cisco). The password is reset to cisco. Log in to the CLI with
username cisco and password cisco. You can then change the password.
Using ROMMON
For the IPS 4345, IPS 4360, IPS 4510, and IPS 4520, you can use the ROMMON to recover the
password. To access the ROMMON CLI, reboot the sensor from a terminal server or direct connection
and interrupt the boot process.
Note After recovering the password, you must reset the confreg to 0, otherwise, when you try to upgrade the
sensor, the upgrade fails because when the sensor reboots, it goes to password recovery (confreg 0x7)
rather than to the upgrade option.
To recover the password using the ROMMON CLI, follow these steps:
Step 1 Reboot the appliance.
Step 2 To interrupt the boot process, press ESC or Control-R (terminal server) or send a BREAK command
(direct connection). The boot code either pauses for 10 seconds or displays something similar to one of
the following:
• Evaluating boot options
• Use BREAK or ESC to interrupt boot
Step 3 Enter the following commands to reset the password:
confreg 0x7
boot
Sample ROMMON session:
Booting system, please wait...
CISCO SYSTEMS
Embedded BIOS Version 1.0(11)2 01/25/06 13:21:26.17
...
Evaluating BIOS Options...
Launch BIOS Extension to setup ROMMON
Cisco Systems ROMMON Version (1.0(11)2) #0: Thu Jan 26 10:43:08 PST 2006
Platform IPS-4360-K9
Use BREAK or ESC to interrupt boot.
Use SPACE to begin boot immediately.
Boot interrupted.
Management0/0
Link is UP
MAC Address:000b.fcfa.d155
Use ? for help.
rommon #0> confreg 0x7
Update Config Register (0x7) in NVRAM...
- Text Part Number: OL-24002-01 1
- CONTENTS 3
- B Initializing the Sensor B-1 7
- C Obtaining Software C-1 7
- E Troubleshooting E-1 9
- Contents 10
- OL-24002-01 10
- F Cable Pinouts F-1 12
- About This Guide 13
- Organization 14
- Conventions 14
- Related Documentation 15
- Submitting a Service Request 16
- Introducing the Sensor 17
- How the Sensor Functions 18
- Your Network Topology 19
- Tuning the IPS 19
- Sensor Interfaces 20
- Command and Control Interface 21
- Sensing Interfaces 22
- Interface Support 22
- TCP Reset Interfaces 27
- Interface Restrictions 28
- Interface Modes 30
- Figure 1-2 Promiscuous Mode 31
- • Monitor session 31
- Inline Interface Pair Mode 32
- Inline VLAN Pair Mode 32
- VLAN Group Mode 33
- Supported Sensors 34
- Table 1-4 Supported Sensors 35
- IPS Appliances 36
- Appliance Restrictions 37
- The Sensor and Time Sources 39
- Step 1 Log in to the sensor 40
- Time Sources and the Sensor 42
- Installation Preparation 43
- Safety Recommendations 44
- Safety Recommendations 45
- Working in an ESD Environment 46
- General Site Requirements 47
- Power Supply Considerations 48
- Configuring Equipment Racks 48
- Installing the IPS 4270-20 49
- Supported Interface Cards 52
- Hardware Bypass 53
- 4GE Bypass Interface Card 54
- • AC power present 60
- • Standby mode 60
- Diagnostic Panel 62
- Rail System Kit Contents 65
- < 28.5” 68
- For threaded-hole racks: 70
- Installing the IPS 4270-20 84
- Installing and Removing Fans 98
- Product Overview 102
- Specifications 102
- Specifications 103
- Accessories 104
- Front and Back Panel Features 105
- Rack Mount Installation 109
- Rack Mount Installation 110
- For More Information 111
- 11 2 3 4 117
- Installing DC Input Power 121
- Statement 122 123
- • Ground lead wire (middle) 124
- Figure 4-19 Ground Wires 124
- Chassis Features 131
- Cisco ASA 5585-X IPS SSP 132
- Cisco IPS 4520 132
- Chassis Features 135
- Memory Configurations 139
- Supported SFP/SFP+ Modules 139
- Table 5-7 SFP/SFP+ Modules 140
- SFP/SFP+ 141
- Package Contents 150
- Step 13 Power on the sensor 160
- Step 1 Power off the sensor 161
- Memory Specifications 168
- Indicators 169
- Removing the ASA 5500 AIP SSM 171
- Front Panel Features 176
- Memory Requirements 180
- SFP/SFP+ Modules 181
- Installing SFP/SFP+ Modules 183
- Logging In to the Sensor 189
- Logging In to the Appliance 190
- Logging In to the Sensor 196
- Initializing the Sensor 197
- Simplified Setup Mode 198
- System Configuration Dialog 198
- Use NTP?[no]: yes 199
- Basic Sensor Setup 200
- Advanced Setup 203
- Step 29 Reboot the appliance 208
- Verifying Initialization 221
- Verifying Initialization 223
- Obtaining Software 225
- IPS 7.1 Files 226
- IPS Software Versioning 227
- IPS-[sig]-[S]-req-E1.pkg 228
- IPS Software Release Examples 229
- Accessing IPS Documentation 231
- Understanding Licensing 232
- Installing the License Key 236
- Uninstalling the License Key 238
- Upgrading the Sensor 243
- Upgrade Notes and Caveats 244
- Manually Upgrading the Sensor 244
- Downgrading the Sensor 251
- Installing System Images 253
- TFTP Servers 254
- Installing System Images 270
- Troubleshooting 271
- Cisco Bug Search 272
- Preventive Maintenance 272
- Creating the Service Account 275
- Disaster Recovery 276
- Recovering the Password 277
- Using the GRUB Menu 278
- Using ROMMON 279
- Using the ASDM 281
- Disabling Password Recovery 283
- Time Sources and the Sensor 285
- The ASA IPS Modules 286
- Correcting Time on the Sensor 287
- Supported MIBs 288
- Troubleshooting the Appliance 292
- Analysis Engine is Busy 294
- Communication Problems 295
- Step 1 Log in to the CLI 298
- The SensorApp and Alerting 299
- Unable to See Alerts 302
- Check for alerts 303
- Sensor Not Seeing Packets 304
- Blocking 306
- Verifying ARC is Running 307
- Device Access Issues 310
- Enabling Debug Logging 315
- Step 11 View the zone names 316
- Zone Names 319
- Software Upgrades 322
- Issues With Automatic Update 323
- Troubleshooting the IDM 325
- Troubleshooting the IME 327
- Not Supported Error Message 328
- Installation Error 328
- Health and Status Information 329
- Failover Scenarios 331
- Configuration Examples 332
- IPS Reloading Messages 334
- • 1300.0 337
- • 1304.0 337
- • 1305.0 337
- IPS Not Loading 340
- Gathering Information 347
- Tech Support Information 348
- Varlog Files 349
- Tech Support Command Output 350
- Version Information 352
- Statistics Information 355
- Displaying Statistics 356
- Interfaces Information 367
- Events Information 368
- Sensor Events 369
- Displaying Events 369
- Clearing Events 372
- Gathering Information 374
- Cable Pinouts 375
- Console Port (RJ-45) 376
- RJ-45 to DB-9 or DB-25 377
- Appendix F Cable Pinouts 378
- RJ-45 to DB-9 or DB-25 378
- Numerals 379
- Glossary 380
- Numerics 405
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