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Urgent help with PIX 520 & downgrade to 4.X ver.

Hi all,

I need help with the problem which occured recently my colleague.We had got PIX 520

with ver 6.x. But my colleague inserted into floppy disc drive floppy with ver. 4.4.7 and rebooted PIX. And it downgraded

PIX OS.

From that time we cannot boot PIX.

I tried to create bootable disk and throught tftp insert newer PIX OS but I see still this output. And PIX still reboots.

On card with Flash inserted in PIX I see the jumpers. Could someone explain me meaning?

Any idea...??

BR

jl

1 REPLY
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Re: Urgent help with PIX 520 & downgrade to 4.X ver.

This section describes how to change the PIX Firewall to an earlier version of the software than the version currently running on your PIX Firewall unit. You can only downgrade the PIX Firewall software if your platform supports the earlier version.

http://www.cisco.com/en/US/docs/security/pix/pix63/configuration/guide/upgrade.html#wp1016359

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