IOS upgradation at firewall

[rameshwarhiwale]

Anybody tell me detailled procedure of IOS upgradation and downgradation at firewall & can I upgrade the IOS through Xmodem. Also I read the book for that but I am unable getting any single thing from the book. Anyone can describe me it?

[ajagadee]

Hi,

Please refer the below URL for details:

http://www.cisco.com/en/US/products/hw/vpndevc/ps2030/products_tech_note09186a0080094a5d.shtml

Regards,

Arul