Cisco 4500/4900 系列密码恢复1.开机,按住ctrl+c 进入rommon 模式。显示如下(如没有进入rommon,关机重新试一次)*********************************************************** ** Welcome to Rom Monitor for WS-C4948 System. ** Copyright (c) 2003-2007 by Cisco Systems, Inc. ** All rights reserved. ** *******************************************************...