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Recommendation needed for Pix OS upgrade path please

We have 2 x 525 with PIX Version 6.3(3)132. ASSUMING ver 8 is the "best" (ie most secure) version - do we need to upgrade to ver 7 first or can we go straight from 6.3 to 8 (subject to possible additional memory requirements)

Cisco.com appears to state that you need to go to 7 first - though this is unclear. Also I make the radical assumption that 8 is more secure and "better" than 7

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Re: Recommendation needed for Pix OS upgrade path please

The minimum software version required before upgrading to PIX Version 8.0 is PIX Version 7.2.

AND

The minimum software version required before performing an upgrade to PIX Version 7.2(2) is PIX Version 7.0. If you are running a PIX version prior to PIX Version 6.2, you must first upgrade to PIX Version 6.2 or PIX Version 6.3 before you can begin the upgrade to PIX Version 7.0.

so I guess you need follow path

6.3 -->7.0--->7.2--->8

consult following links for mor info

http://www.cisco.com/en/US/docs/security/pix/pix80/release/notes/pixrn80.html#wp214879

http://www.cisco.com/en/US/docs/security/pix/pix72/release/notes/pixrn722.html#wp43582

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_configuration_example09186a00807c3627.shtml

M.

hope that helps rate if it does

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