[問題] CISCO 2600密碼回復?

看板Network作者snoopykoei (熾天使)時間15年前 (2010/07/13 15:00)推噓6(6推 0噓 20→)

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CISCO 2600密碼回復請教這是Google找到的資料,如果我只要重設密碼,不更改Router的所有設定適用嗎?懇請版上高手指導?謝謝我是以2611來做的，不過1600也適用。以下是我的做法，您可以參考一下，有實做成功喔！一、先準備一條使用RJ45接頭的連接線，連接Router的Console Port。二、終端機使用以下設定 9600 baud rate No parity 8 data bits 1 stop bit No flow control 三、將Router開機， System Bootstrap, Version 11.3(19)AA, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1) Copyright (c) 1998 by cisco Systems, Inc. C2600 processor with 32768 Kbytes of main memory Main memory is configured to 32 bit mode with parity enabled 看到出現此訊息後，趕緊按下Ctrl+Break送出 Break，就會進到 ROMMON Mode。四、在rommon>下輸入confreg rommon 1 > confreg 回答下列問題 Configuration Summary enabled are: load rom after netboot fails console baud: 9600 boot: image specified by the boot system commands or default to: cisco2-C2600 do you wish to change the configuration? y/n [n]: y-------回答Y enable "diagnostic mode"? y/n [n]: enable "use net in IP bcast address"? y/n [n]: disable "load rom after netboot fails"? y/n [n]: enable "use all zero broadcast"? y/n [n]: enable "break/abort has effect"? y/n [n]: enable "ignore system config info"? y/n [n]: y-------回答Y change console baud rate? y/n [n]: change the boot characteristics? y/n [n]: y-------回答Y enter to boot: 0 = ROM Monitor 1 = the boot helper image 2-15 = boot system [2]: 2-----要選2 五、rommon 2 > reset 重新啟動 Router --- System Configuration Dialog --- Router 會自動進入 Setup 選單 Would you like to enter the initial configuration dialog? [yes/no]: 按 Ctrl-C 中斷 Setup 六、Router 會進入一般模式 Router>enable 進入 Priviledged mode (不需輸入任何密碼) Router#show startup-config 顯示 NVRAM 裡面的 Startup-Config (顯示結果省略) 七、將 Startup-Config 載入 DRAM Router#configure memory 八、 2611#configure terminal----輸入此命令進入設定模式九：將 enable 的密碼改為 cisco 2611(config)#enable secret cisco 十、將 Running-Config 寫回 NVRAM 2611#copy running-config startup-config 2611#show version Cisco Internetwork Operating System Software (中間結果省略) Configuration register is 0x2142 目前的 Configuration Register 為 0x2142 十一、 2611#configure terminal Enter configuration commands, one per line. End with CNTL/Z. 2611(config)#config-reg 0x2102 將 Configuration Register 改回來 2611(config)#^Z -----Ctrl+Z 2611# 00:01:54: %SYS-5-CONFIG_I: Configured from console by console 2611# reload 重新開機 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 220.130.172.1

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