Dear all,

I have a router in which when I try to save the config by using the command
"wr mem" or "copy run star", it gives an error message saying

"NVRAM invalid, possibly due to write erase"

I have tried the option "config-register 0x2102" but still it gives the
message
          NVRAM verification failed
     "non-volatole config memory has not been setup, hence bad checksum"

When I make the configuration the connectivity becomes thru, but when i try
to save the config, it gives the mentioned error message.

What can be the cause of this. Any help is highly appreciated.

P.S:The IOS is present in the flash as it shows the file name also.

Thanks
Hitesh



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