Cisco IPS-4255-K9 Installation Guide - Page 287

Chapter A Troubleshooting Recovering the Password To recover the password on appliances, follow these steps: Step 1 Reboot the appliance to see the GRUB menu. GNU GRUB version 0.94 (632K lower / 523264K upper memory 0: Cisco IPS 1: Cisco IPS Recovery 2: Cisco IPS Clear Password (cisco 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 Step 3 Press any key to pause the boot process. Choose 2: Cisco IPS Clear Password (cisco). The password is reset to cisco. You can change the password the next time you log in to the CLI. Using ROMMON For the IPS 4240 and the IPS 4255 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. To recover the password using the ROMMON CLI, follow these steps: Step 1 Step 2 Step 3 Reboot the appliance. 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 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 4240-K9 Use BREAK or ESC to interrupt boot. Use SPACE to begin boot immediately. Boot interrupted. Management0/0 Link is UP OL-18504-01 Cisco Intrusion Prevention System Appliance and Module Installation Guide for IPS 7.0 A-9