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利用Xmodem升级2610IOS实例

2019-11-05 01:11:16
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   假如你不小心使用了命令erase Flash 那么发生什么就可想而知了。因此,建议在你拿到路由器等网络设备时 最好先将它的IOS等操作系统备份出来,以备万一!
   本篇主要介绍通过Xmodem上传IOS的过程(以2610为例,不过这个方法用在其他设备上没什么太大区别)预备工作,只要有Cisco原配的线缆就可以(注:Xmodem与实际的modem没有任何联系 只是一个传输协议 数据是通过终端的串口和路由器的Console口灌进去的)
  
   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:
  
  
  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
  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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