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New Member

2621XM router not retaining configuration

I have recently purchased a used 2621XM router and have found that when I turn off or discconnect the power, the config is not retained.

... and before you ask, yes, I have saved the config from running to startup.

The only change that I have done after getting the router was to upgrade the IOS from c2600-is-mz.123-10 to c2600-adventerprisek9-mz.124-23.

Does anyone know how or why this would occur and does anyone know if this has happened before?

2 REPLIES

Re: 2621XM router not retaining configuration

1. check if config register number is set correctly. Does "show start" have right config?

2. might be a bad NVRAM or battery for NVRAM is bad.

New Member

Re: 2621XM router not retaining configuration

Issue resolved. Thanks.

It was the config register that was the issue.

Thanks again.

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