昨天要配一個市網節目源的防火牆,出了點問題,尋思重新配。由於手賤,鬼使神差的改了內存器地址尋思恢復出廠設置,結果導致每次防火牆重啓都進入rommon模式,開始以爲我誤刪了IOS呢,尋思重新灌IOS,結果找了好多帖子,研究半天,發現IOS其實沒被刪,每次啓動都進入rommon模式,原因只是啓動設置變了,在該模式下,輸入boot命令,可直接進入系統。改寄存器值也不好使,仍是每次啓動偶讀進入rommon模式。後來使用命令confreg。進行如下設置,解決了該問題。
先boot,啓動防火牆ios,看一下flash。
ShiwangTS# sh flash:
Initializing disk0: cache, please wait....Done.
-#- --length-- -----date/time------ path
11 0 Aug 13 2010 15:44:26 crypto_archive
12 8515584 Apr 25 2008 15:49:26 asa724-k8.bin
13 6514852 Apr 25 2008 16:31:10 ASDM-524.BIN
14 4181246 Jan 01 2003 00:05:52 securedesktop-asa-3.2.1.103-k9.pkg
15 398305 Jan 01 2003 00:06:06 sslclient-win-1.1.0.154.pkg
235708416 bytes available (19718144 bytes used)
然後重啓:reload
重啓後:
rommon #0> confreg
Current Configuration Register: 0x00002102
Configuration Summary:
boot ROMMON, boot command will load index-1 p_w_picpath from Flash
load ROMMON if netboot fails
Do you wish to change this configuration? y/n [n]: y
enable boot to ROMMON prompt? y/n [n]: n
enable TFTP netboot? y/n [n]: n
enable Flash boot? y/n [n]: y
select specific Flash p_w_picpath index? y/n [n]: y
enter Flash p_w_picpath index [1->7]: 2 //這裏選二就是選flash裏的: asa724-k8.bin
disable system configuration? y/n [n]: n
go to ROMMON prompt if netboot fails? y/n [n]: n
enable passing NVRAM file specs in auto-boot mode? y/n [n]: y
disable display of BREAK or ESC key prompt during auto-boot? y/n [n]: y
再重啓就ok了。