Cisco 3640 router

Unanswered Question
Sep 18th, 2007
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I am facing a problem with Cisco 3640 router,like it is booting from ROM monitor mode,after that when issue " boot ",then it is booting from flash,I have changed the register as 0X2102 and saved,after that when I again reset the router or issue the reload command,it is again booting,but register value is showing as 0X01.

What could be the problem?

Please help me.

Thanks and Regards,


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spremkumar Tue, 09/18/2007 - 23:22
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hi venkat

can you get into the rommon prompt of the router and check for the current config register value ?

if its 0x01 can you change the config register value out there ?


Lavanholy Wed, 09/26/2007 - 06:05
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Hi Prem,

Thanks a lot.

I was touring to Trivandrum.

From ROM Mointor mode I have changed the register value as a default,after that I reset the router ,then at the time of booting ,it is not booting from the flash,It is booting as ROMMONITOR mode.

Please help me to resolve this issue.

Thanks and Regards,



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