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  • 通過CLI升級CiscoCatalyst2900

    發表于:2007-06-20來源:作者:點擊數: 標簽:
    用Tftp通過CLI(Command Line Interface)升級Cisco Catalyst 2900.XL/3500.XL 交換機IOS 升級前需要留意事項: 1, 留意switch上的DRAM (Dynamic Random Access Memory) 及 Flash 的大

       
      用Tftp通過CLI(Command Line Interface)升級Cisco Catalyst 2900.XL/3500.XL 交換機IOS
      升級前需要留意事項:

      1, 留意switch上的DRAM (Dynamic Random Aclearcase/" target="_blank" >ccess Memory) 及 Flash 的大小。每個IOS都對DRAM及Flash有一定要求,在升級之前必須要確定DRAM及Flash的大小。
      確定DRAM的大小可以通過命令show version,如
      有 8 MB DRAM 的 2900XL switch:
      Switch#show version
      Cisco Inte.network Operating System Software
      IOS (TM) C2900XL Software (C2900XL.C3H2S.M), Version 12.0(5)XU, RELEASE SOFTWARE)
      Copyright (c) 1986.2000 by cisco Systems, Inc.
      Compiled Mon 03.Apr.00 16:37 by swati
      Image text.base: 0x00003000, database: 0x00301398
      ROM: Bootstrap program is C2900XL boot loader
      2900XL_84.3 uptime is 27 minutes
      System returned to ROM by reload
      System image file is "flash:c2900XL.c3h2s.mz.120_5.XU.bin"
      cisco WS.C2924M.XL (PowerPC403GA) processor (revision 0x11) with 8192K/1024K bytes of memory.
      Processor board ID 0x10, with hardware revision 0x03
      Last reset from warm.reset
      ...(output suppressed)
      信息顯示在交換機上有 8192K DRAM 即 8 MB DRAM
      確定FLASH的大小可以通過命令dir flash 如:
      switch:dir flash:
      (This command is only run if you are at the switch: prompt and want to determine how big the flash
      Directory of flash:/
      2 .r.. 2535 config.text
      4 .rwx 1644160 c2900XL.c3h2s.mz.120_5.XU.bin
      5 .r.. 960 vlan.dat
      6 .r.. 19 env_vars
      1963008 bytes available (1649664 bytes used)
      
      2, 下載合適的IOS。通常交換機的IOS有兩種文件,一種以tar結尾,另外一種以bin結尾。
      結尾 特點
      .tar(壓縮文件) ?包含bin文件,boot機文件?包含html文件,用于web形式管理交換機
      .bin 單獨IOS文件不包含HTML文件,可以通過TFTP拷貝到交換機上
      升級步驟:
      1, 進入EXEC模式:
      switch> enable
      switch#
      2, 顯示boot機參數
      switch# show boot
      BOOT path.list: flash:current_image
      Config file: flash:config.text
      Enable Break: 1
      Manual Boot: no
      HELPER path.list:
      NVRAM/Config file
      buffer size: 32768
      3, 若BOOT path.list為空, 可以通過dir flash: 去顯示以bin結尾的文件
      Switch# dir flash:
      Directory of flash:
      3 ...x 80971 current_image.bin
      4 d..x 14144 html
      7 .rwx 84 env_vars
      5 ...x 111 info
      258 ...x 111 info.ver
      230 .rwx 1470 config.text
      3612672 bytes total (1229312 bytes free)
      4, 將當前bin文件重命名為新的bin文件。
      Switch# rename flash:current_image flash:new_image
      Source filename [current_image]?
      Destination filename [new_image]?
      例如:
      升級一臺 8 MB 2900XL switch,在switch上的bin文件為
      c2900XL.c3h2.mz.112.8.5.SA6.bin, 你已經從cisco網站上下載了最新IOS文件 :c2900XL.c3h2s.mz.120.5.2.XU.tar
      注意:.tar 結尾替換成 .bin.結尾
      switch# rename flash:c2900XL.c3h2.mz.112.8.5.SA6.bin flash:c2900XL.c3h2s.mz.120.5.2.XU.bin
      Source filename [c2900XL.c3h2.mz.112.8.5.SA6.bin]?
      Destination filename [c2900XL.c3h2s.mz.120.5.2.XU.bin]?
      注意:重命名只是升級的一個步驟,重命名并不是升級。
      5, 檢查重命名后的文件。
      Switch# dir flash:
      Directory of flash:
      3 ...x 80971 new_image.bin
      4 d..x 14144 html
      7 .rwx 84 env_vars
      5 ...x 111 info
      258 ...x 111 info.ver
      230 .rwx 1470 config.text
      3612672 bytes total (1229312 bytes free)
      6, 進入全局模式:
      switch# config terminal
      Enter configuration commands, one per line. End with CNTL/Z.
      switch(config)#
      7, Disable web 服務
      switch(config)# no IP http server
      8, 更改boot 機引導文件
      Switch(config)# boot system flash:new_image
      9, 返回 privileged EXEC mode:
      switch(config)# end
      10, 刪除HTML文件:
      switch# delete flash:html/*
      11, 如果從11.2(8)SA5 或更早的版本升級, 還要刪除SNMP目錄及下面的文件
      switch# delete flash:html/Snmp/*
      注意 'S'在 'SNMP'里是大寫。
      12, 如果從11.2(8)SA5 或更早的版本升級,要在刪除后建立SNMP目錄
      switch# mkdir flash:html/Snmp
      13, 使用tar命令進行升級
      Switch#tar /x tftp://server_ip_address//path/filename.tar flash:
      Loading /path/filename.tar from server_ip_address (via VLAN1):!)
      extracting info (111 bytes)
      extracting filename.bin (1557286 bytes)!!!!!!!!!!!!!!!!!!!!
      html/ (directory)
      extracting html/Detective.html.gz (1139 bytes)!
      extracting html/ieGraph.html.gz (553 bytes)
      extracting html/DrawGraph.html.gz (787 bytes)!
      . . .(output Suppressed)
      [OK . 2723840 bytes]
      (This message means that the TFTP process has passed successfully and both .bin and html files have been extracted successfully)
      14, 進入全局設置模式
      switch# configure terminal
      Enter configuration commands, one per line. End with CNTL/Z.
      15, 重新啟動web服務
      switch(config)# IP http server
      16, 返回 privileged EXEC 模式:
      switch(config)# end
      17, Reload 交換機
      switch# reload
      System configuration has been modified. Save? [yes/no]:y
      Proceed with reload? [confirm]
      升級完畢

    原文轉自:http://www.kjueaiud.com

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