When a network device password is lost or forgotten, the network administrator needs to find a way to retrieve or reset the password. For network devices, switch and router password recovery reset operation method is very different, XP system house is described below.
1. Router Password recovery
Restore the router password, first to restart the router, when the console appears when the boot process, quickly press Ctrl+break key combination, interrupt the START process of the router, into the Rommoti mode.
System Bootstrap, Version 12. L (3r) T2? Release SOFTWARE (FCL)
Copyright (c) by Cisco Systems, Inc.
Cisco 2621 (MPC860) Processor (revision 0x200) with 60416k/5120k bytes of memory Self decompressing the image
Self decompressing the image;
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Monitor:command "Boot" aborted due to user interrupt
Rommon 丨 >confreg 0x2142//Change the value of the configuration register to 0x2142, so that the router does not load the NVRAM at startup
Startiip-config configuration file Rommon 2 >boot//reboot router
router>enable//No password required after reboot
Router#copy startup-config running-contig//Copy configuration file from NVRAM to ram
Destination filename [running-configj?
2, SCO switch password recovery
Restoring the switch password also requires rebooting the device, pressing the Mode key on the panel immediately after switching power on the switch, lasting more than 6 seconds until you enter switch boot mode.