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%Error opening nvram:/startup-config (Bad address)

I get error on my 2651XM router when trying to save the running config

R#copy run start

Destination filename [startup-config]?

startup-config file open failed (Not enough space)

R#sh start

R#sh startup-config

Using 18302 out of 29688 bytes

%Error opening nvram:/startup-config (Bad address)

The software version is c2600-entservicesk9-mz.124-8.bin

What do the errors mean

3 REPLIES
Hall of Fame Super Gold

Re: %Error opening nvram:/startup-config (Bad address)

Likely hardware fault. Save config to a file and try "wr erase". If still trouble, nvram is faulty and router needs replacement.

Silver

Re: %Error opening nvram:/startup-config (Bad address)

We just had this problem on a 3845, TAC had us save the config to a file and then do 'erase nvram', and everything was fine after that.

Re: %Error opening nvram:/startup-config (Bad address)

Somewhere between two maintenance releases in 12.4 there was a bug related to NVRAM. After the upgrade I noticed that (lab) router came up with wiped out config. Erasing NVRAM resolved problem.

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