思科路由器恢复IOS方法及开启多用户Telnet权限方法

2017-03-18

今天小编就给大家介绍下思科路由器交换机简单的X-MODEM恢复IOS的方法以及开启多用户Telnet权限和Logo查看方法。

首先小编就给大家介绍思科路由交换机简单的X-Modem恢复IOS方法:

1、用控制线连接思科路由交换机console口与计算机串口1,用带有xmodem功能的终端软件连接(win2000 and xp的超级终端就带这功能)。

2、设置连接方式为串口1(如果连接的是其他串口就选择其他串口),速率9600,无校验,无流控,停止位1。或者点击默认设置也可以。

3、连接以后计算机回车出现思科路由交换机无ios的界面,一般的提示符是:switch:

4、拔掉思科路由交换机后的电源线重新启动交换机。

5、在超级终端输入:switch:flash_init,会出现如下提示:Initializing Flash...

6、输入拷贝指令:switch:copy xmodem: flash:image_filename.bin,出现如下提示:Begin the Xmodem or Xmodem-1K transfer now...

7、系统提示不断出现C这个字母就可以开始传文件了。

8、点击超级终端菜单:传送---发送文件,在协议选项中选择Xmodem或者Xmodem-1K协议,然后选择ios的影像文件(*.bin),开始传送。

9、因为不能改速率,所以传送得很慢,我的大概传送了80分钟左右,请耐心等待。

10、传送完毕后提示:File "xmodem:" successfully copied to ....,switch:

11、在提示符下输入switch:boot,启用新的ios系统。

12、重新加电完成恢复工作。

Cisco 路由器 使用Xmodem恢复IOS方法

在没有IOS的情况下 系统只能进入Rommon状态,在这个状态下只能见到如下命令:

rommon 8 > ?

alias set and display aliases command

boot boot up an external process

break set/show/clear the breakpoint

confreg configuration register utility

cont continue executing a downloaded image

context display the context of a loaded image

cookie display contents of cookie PROM in hex

dev list the device table

dir list files in file system

dis display instruction stream

dnld serial download a program module

frame print out a selected stack frame

help monitor builtin command help

history monitor command history

meminfo main memory information

repeat repeat a monitor command

reset system reset

set display the monitor variables

stack produce a stack trace

sync write monitor environment to NVRAM

sysret print out info from last system return

tftpdnld tftp image download

unalias unset an alias

unset unset a monitor variable

xmodem x/ymodem image download

在这个模式下,输入Xmodem

rommon 9 > xmodem

会提示如下警告:

WARNING: All existing data in bootflash will be lost!

Invoke this application only for disaster recovery.

Do you wish to continue? y/n [n]: y

Ready to receive file ? …

然后在超级终端的传送栏目=> 选择发送选项 => 再选择Xmodem 并指明IOS所在的路径即开始上传IOS,等待时间很长,视IOS的大小和传输速度。对于初次做IOS上传,建议不要去修改什么传输速率。传完以后 对整个系统初始化 界面如下: [nextpage]

Erasing flash at 0x603c0000

program flash location 0x602f0000

Download Complete!

program load complete, entry point: 0x80008000, size: 0x2f0074

Self decompressing the image : #################################################

#############################################################################

#############################################################################

############################################################## [OK]

Restricted Rights Legend

Use, duplication, or disclosure by the Government is

subject to restrictions as set forth in subparagraph

(c) of the Commercial Computer Software - Restricted

Rights clause at FAR sec. 52.227-19 and subparagraph

(c) (1) (ii) of the Rights in Technical Data and Computer

Software clause at DFARS sec. 252.227-7013.

cisco Systems, Inc.

170 West Tasman Drive

San Jose, California 95134-1706

Cisco Internetwork Operating System Software

IOS (tm) C2600 Software (C2600-I-M), Version 11.3(6)T, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-1998 by cisco Systems, Inc.

Compiled Tue 06-Oct-98 18:42 by ccai

Image text-base: 0x80008084, data-base: 0x80554578

cisco 2610 (MPC860) processor (revision 0x202) with 12288K/4096K bytes of memory

.

Processor board ID JAB0233005Z (3677578902)

M860 processor: part number 0, mask 32

Bridging software.

X.25 software, Version 3.0.0.

1 Ethernet/IEEE 802.3 interface(s)

1 Serial network interface(s)

32K bytes of non-volatile configuration memory.

4096K bytes of processor board System flash (Read/Write)

Press RETURN to get started!

00:00:06: %LINK-3-UPDOWN: Interface Ethernet0/0, changed state to up

00:00:06: %LINK-3-UPDOWN: Interface Serial0/0, changed state to up [nextpage]

00:00:06: %SYS-5-CONFIG_I: Configured from memory by console

00:00:06: %SYS-5-RESTART: System restarted --

Cisco Internetwork Operating System Software

IOS (tm) C2600 Software (C2600-I-M), Version 11.3(6)T, RELEASE SOFTWARE (fc1)

Copyright (c) 1986-1998 by cisco Systems, Inc.

Compiled Tue 06-Oct-98 18:42 by ccai

00:00:07: %LINEPROTO-5-UPDOWN: Line protocol on

WL_bank_2610_2>Interface Ethernet0/0, changed state to up

00:00:07: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial0/0, changed sta

te to up

00:00:07: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed sta

te to up

2610_2>

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