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Problem in downloadinig new PIX image in the failover Unit

My existing pix (failover unit) has IOS of (5.3) veersion and i want to update it to 6.2(1) but when i try to copy tftp flash it shows !!!!!!!!!!!!!!!!!! these marks as its tranfering image but at the end the following message appears.

Received 1646134 bytes.

Checksum verification on new image failed.

Image not installed.

please help me in identifying the probem.

Sameer

1 REPLY
Cisco Employee

Re: Problem in downloadinig new PIX image in the failover Unit

Following link walks through step-by-step procedure to upgrade failover PIXes;

http://www.cisco.com/univercd/cc/td/doc/product/iaabu/pix/pix_61/config/upgrade.htm#xtocid15

HTH

R/Yusuf

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