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Upgrade Compact Flash in ASA5520

I am planning to upgrade the system compact flash in an ASA5520. Once I install the new flash, I am left without an OS to boot from. Is there an alternative to tftp from rommon to get the image onto the flash ?

many thanks

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Accepted Solutions

Re: Upgrade Compact Flash in ASA5520

ASA5520 has a slot for external flash card. You can copy the image to there and boot the box from external flash. After you replace internal flash, you can copy image back to it and change "boot system" statement to point back to internal flash.

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Re: Upgrade Compact Flash in ASA5520

ASA5520 has a slot for external flash card. You can copy the image to there and boot the box from external flash. After you replace internal flash, you can copy image back to it and change "boot system" statement to point back to internal flash.

Community Member

Re: Upgrade Compact Flash in ASA5520

thank you, that's excellent news. I wasn't sure if I could boot from the front Flash card.

Community Member

Re: Upgrade Compact Flash in ASA5520

What if I have VPN plus licence,

will I lose it? What should I do to upgrade the internal CF and not lose my

VPN+ ?

Thank you!

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