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Commands information for upgrading IOS

HI,

I want to know the commands for upgrading IOS for 7206 router step by step.

1) Command while upgrading - Do i need to copy to bootflash or Disk0:

2) Command to boot new IOS and configuring the old one as backup.

3) difference between boot system and boot ldr command.

Pls help me on this

1 REPLY

Re: Commands information for upgrading IOS

Dear,

1st get the image that with the feature-set that meet your needs with care regarding RAM/FLASH components, for professional advice use Cisco feature Navigator website (http://www.cisco.com/go/fn/)

Here are the steps:

-copy the downloaded image file to your TFTP directory

-Make sure that there is IP connectivity between the router --> TFTP

-keep the boot-loader file on the bootflash

-Copy the image file from the TFTP to your Diskx:

-use verify command to check the image checksum with/without MD5 option (depending on your IOS)

-use the following commands to configure primary and backup image boot sequence

Primary image for boot:

boot system disk0:c7200-mm.xx-xx.bin

Backup image for boot:

boot system disk0:c7200-mm.xx-bkup.bin

Boot Loader:

boot bootldr bootflash:c7200-kboot-mz.122-27.bin

Best Regards,

Mounir Mohamed

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