config-register setting advice

Answered Question
Oct 22nd, 2008

Hello,

I have a Cisco 3845 with a Configuration register set as 0x2102.

A boot variable set to:

boot-start-marker

boot system flash c3845-advipservicesk9-mz.124-22.T.bin

boot system flash c3845-advipservicesk9-mz.123-14.T6.bin

boot-end-marker

and a flash file with the following:

1 -rw- 32232640 Nov 29 1983 23:00:00 -06:00 c3845-advipservicesk9-mz.123-14.T6.bin

.

.

.

9 -rw- 59161972 Oct 21 2008 14:01:02 -05:00 c3845-advipservicesk9-mz.124-22.T.bin

I want to boot to 12.4T first and if that fails boot to 12.3T. With my current setting every time I reboot the router it boots 12.3T. I know this is most likely a problem with my Configuration register set wrong, but I do not know what to change it to.

Please advise - Many thanks

I have this problem too.
0 votes
Correct Answer by Jon Marshall about 8 years 1 month ago

Your config register looks okay. What do you see on the console when you reload the router ie. does it say it cannot find specified file. Assuming internal flash is the location of these images try

boot system flash flash:c3845-advipservicesk9-mz.124-22.T.bin

boot system flash flash:c3845-advipservicesk9-mz.123-14.T6.bin

Jon

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Correct Answer
Jon Marshall Wed, 10/22/2008 - 05:45

Your config register looks okay. What do you see on the console when you reload the router ie. does it say it cannot find specified file. Assuming internal flash is the location of these images try

boot system flash flash:c3845-advipservicesk9-mz.124-22.T.bin

boot system flash flash:c3845-advipservicesk9-mz.123-14.T6.bin

Jon

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