ASA5510 Boot problem

Unanswered Question
Aug 19th, 2008


When i power on the ASA5510, it direct go to the ROMMON. After that i follow the procedure which from

i able go to the ASA IOS, but when show version it show the image file is from tftp server after that i copy the new ASA IOS into the ASA5510 and set the boot system disk0:asa804-k8.bin write memory on it and reboot the ASA.

However after reboot,it again go to rommon mode. And i issue BOOT command in rommon, it come out the error message as in attachment.

Pls advise urgently.



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Loading. Tue, 08/19/2008 - 05:08


I'm in doubt that image is not on the name of the image correct?

when you issue the command:

show flash:

what do you see?


gilbertthor Tue, 08/19/2008 - 05:18


but when i issue DIR in ASA, it got show the file asa803-k8.bin which in disk0:

however i copy another version of ios which is asa804-k8.bin into the ASA5510 and configure the "boot system disk0:asa804-k8.bin


-Gilbert Tue, 08/19/2008 - 05:24

Hi, you issued boot system disk0:asa804-k8.bin but the image present is asa803-k8.bin.

Write boot system disk0:asa803-k8.bin and then reboot, if you can.


gilbertthor Tue, 08/19/2008 - 05:26


i had tried it before i copy asa804-k8.bin file into the ASA, but still the same after reboot the firewall it will go to rommon.


gilbertthor Tue, 08/19/2008 - 05:42


Tried, and the result still the same.

direct go to rommon. In the rommon i type boot disk0:asa804.bin it show out the message which i attach in the 1st reply message.


-Gilbert Tue, 08/19/2008 - 05:44


Try to eliminate the istruction boot system with the no command..and then reboot

Massimiliano. Tue, 08/19/2008 - 05:52


Eliminate the boot system instructions:

no boot system disk0:....

and then reboot.


gilbertthor Tue, 08/19/2008 - 05:57


ok i will try it out. but now i can't try on it, will update once i try.

thanks alot for u help



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