confreg0x2141绕过starup-config进行密码恢复操作(3)初始化交换机:rommon2>reset重启交换机(4)switch#showstartup-config建议将原配置复制一份,以备" />
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C4948密码恢复


Cisco交换机C4948密码恢复过程:

(1) 开机5秒内按Ctrl+C键,出现提示符“rommon 1 >"(如没有出现该提示符,交换机重新开机,重复(1)步骤)。
(2) 键入如下命令: rommon 1 >confreg 0x2141 绕过starup-config进行密码恢复操作
(3) 初始化交换机: rommon 2 >reset 重启交换机
(4) switch#show startup-config 建议将原配置复制一份,以备恢复失败。
(5) switch#configure memory 或 copy startup-config running-config (copy the NVRAM into memory) 
switch(config)#no enable secret 取消原加密特权密码
switch(config)#enable secret cisco 设置加密特权密码
switch(config)#config-reg 0x2101 改回原设备注册表值
switch(config)#exit 退出配置模式
switch#write memory 将修改后配置保存到NVRAM
(6)switch#reload 重启交换机



switch#show version [正常C4948系统信息]
Cisco IOS Software, Catalyst 4500 L3 Switch Software (cat4500-ENTSERVICES-M), Ve
rsion 12.2(53)SG1, RELEASE SOFTWARE (fc1)
Technical Support: https://www.wendangku.net/doc/4f17657840.html,/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Fri 30-Oct-09 15:26 by prod_rel_team
Image text-base: 0x10000000, data-base: 0x11F0A14C

ROM: 12.2(31r)SGA2
Dagobah Revision 226, Swamp Revision 5

xwc-191A uptime is 4 minutes
System returned to ROM by power-on
System image file is "bootflash:cat4500-entservices-mz.122-53.SG1.bin"

cisco WS-C4948 (MPC8245) processor (revision 0) with 262144K bytes of memory.
Processor board ID FOX1420G74W
MPC8245 CPU at 266Mhz, Fixed Module
Last reset from PowerUp
4 Virtual Ethernet interfaces
48 Gigabit Ethernet interfaces
511K bytes of non-volatile configuration memory.

Configuration register is 0x2101

switch#

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