Cisco 4500/4000 系列交换机引擎密码恢复 步骤: 1、 打开45 交换机的电源后,出现提示后按住键盘上的“Ctrl−C”5 秒。然后进入系统 ROM moniter 状态(ROMmon) !−−− Here, you power cycle the switch. ********************************************************** * Welcome to ROM Monitor for WS−X4014 System. * * Copyright (c) 1999−2000, 2001 by Cisco Systems, Inc. * * All rights reserved. * ********************************************************** ROM Monitor Program Version 12.1(10r)EY(1.21) Board type 1, Board revision 7 Swamp FPGA revision 16, Dagobah FPGA revision 43 Timer interrupt test passed. MAC Address : 00−02−b9−83−af−fe IP Address : 172.16.84.122 Netmask : 255.255.255.0 Gateway : 172.16.84.1 TftpServer : Not set. Main Memory : 256 MBytes ***** The system will autoboot in 5 seconds ***** Type control−C to prevent autobooting. !−−− At this point, press Ctrl+C. Autoboot cancelled......... please wait Autoboot cancelled......... please wait rommon 1 > [interrupt] !−−− The module ended in the ROMmon. rommon 1 > [interrupt] 2、 进入了ROMmon 模式后使用命令“confreg”进入系统恢复阶段。 rommon 1 > confreg Configuration Summary : => load ROM after netboot fails => console baud: 9600 => autoboot from: commands specified in 'BOOT' environment variable do you wish to change the configuration? y/n [n]: y enable "diagnostic mode"? y/n [n]: n enable "use net in IP bcast address"? y/n [n]: n disable "load ROM after netboot fails"? y/n [n]: n enable "use all zero broadcast"? y/n [n]: n enable "break/abort has effect"? y/n [n]: n enable "ignore system config info"? y/n [n]: y change console baud rate? y/n [n]: n change the boot characteristics? y/n [n]: n Configuration Summary : => load ROM after netboot fails => ignore system ...