思科C4510R-E清除密码详细操作

找引擎板上标有“reset”的小孔，捅一下，重启：
**

• Welcome to Rom Monitor for WS-X45-SUP7-E System. *
• Copyright (c) 2008-2011 by Cisco Systems, Inc. *
• All rights reserved. *
• • **

Primary Rom Monitor Version 15.0(1r)SG5
CPU Rev: 2.2, Board Rev: 10, Board Type: 101, CPLD Moka Rev: 7.0x3718.0xb565
Chassis: WS-C4510R+E
Got Mac Address: 44:d3:ca:6f:65:65

MAC Address : 44-d3-ca-6f-65-65
Ip Address : Not set.
Netmask : Not set.
Gateway : Not set.
TftpServer : Not set.

Peer supervisor not detected or is not running IOS
Supervisor uplinks and all linecards have been reset

The system will autoboot in 5 seconds

Type control-C to prevent autobooting.
. .(按ctrl - C)
Established physical link 100Mb Full Duplex
Network layer connectivity may take a few seconds

Autoboot cancelled......... please wait!!!
rommon 1 > [interrupt]

rommon 1 >confreg （输入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 config info
=> console baud: 9600
=> autoboot from: commands specified in 'BOOT' environment variable

do you wish to save this configuration? y/n [n]: y
You must reset or power cycle for new configuration to take effect

rommon 2 >reset （重启）

Resetting .......

rommon 3 >
Rommon signature verification PASSED for golden image
Rommon signature verification PASSED for primary image
FPGA signature verification PASSED for primary image

**

• Welcome to Rom Monitor for WS-X45-SUP7-E System. *
• Copyright (c) 2008-2011 by Cisco Systems, Inc. *
• All rights reserved. *
• • **

Primary Rom Monitor Version 15.0(1r)SG5
CPU Rev: 2.2, Board Rev: 10, Board Type: 101, CPLD Moka Rev: 7.0x3718.0xb565
Chassis: WS-C4510R+E
Got Mac Address: 44:d3:ca:6f:65:65

MAC Address : 44-d3-ca-6f-65-65
Ip Address : Not set.
Netmask : Not set.
Gateway : Not set.
TftpServer : Not set.

Peer supervisor not detected or is not running IOS
Supervisor uplinks and all linecards have been reset

The system will autoboot in 5 seconds

Type control-C to prevent autobooting.
. .
Established physical link 100Mb Full Duplex
Network layer connectivity may take a few seconds
. . .

The system will autoboot now

config-register = 0x2142 （重启后，此处为0x2142）
Autobooting using BOOT variable specified file.....
.
.

Power-on-self-test for Module 5: WS-X45-SUP7-E

CPU Subsystem Tests ...
seeprom: Pass

Traffic: L3 Loopback ...
Test Results: Pass

Traffic: L2 Loopback ...
Test Results: Pass
post done
Exiting to ios...
Starting IOS Services
Platform Manager: acquire hwlock chassis()
Platform Manager: starting in standalone mode

Press RETURN to get started!
.
.
Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSALK9-M), Version 03.04.04.SG RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2014 by Cisco Systems, Inc.
Compiled Fri 16-May-14 11:48 by prod_rel_team
*Mar 21 07:12:46.211: %SFF8472-5-THRESHOLD_VIOLATION: Te5/1: Rx power low alarm; Operating value: -30.0 dBm, Threshold value: -13.9 dBm.
*Mar 21 07:13:14.160: %SSH-5-ENABLED: SSH 1.99 has been enabled
（回车）
Switch> (到此，已清除密码)
Switch>enable
Switch#show version
Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSALK9-M), Version 03.04.04.SG RELEASE SOFTWARE (fc2)
.
.
Configuration register is 0x2142
Switch#configure memory
.
.
syd101-00-off-sw1#show running-config
syd101-00-off-sw1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
syd101-00-off-sw1(config)#no enable secret
syd101-00-off-sw1(config)#enable secret <输入新密码>
syd101-00-off-sw1(config)#config-register 0x2102
syd101-00-off-sw1(config)#（ctrl-z退出）
syd101-00-off-sw1#write memory
Warning: Attempting to overwrite an NVRAM configuration previously written
by a different version of the system image.
Overwrite the previous NVRAM configuration?[confirm] （回车）
Building configuration...
Compressed configuration from 424963 bytes to 111909 bytes[OK]
syd101-00-off-sw1#show version
.
.
Configuration register is 0x2142 (will be 0x2102 at next reload)
syd101-00-off-sw1#exit（退出登录）
Username: sisco
Password:（新密码）