Cisco Systems NO SERVICE PASSWORD RECOVERY

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Subject Author Date
NO SERVICE PASSWORD RECOVERY Elia Spadoni 03-06-08
Posted by Elia Spadoni on March 6, 2008, 1:35 pm
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Hello
I could buy a Cisco 2651XM but it is locked.
The guy who wants to sell me says that he cannot unlock.

It is possible to unlock it anyway, even if the NO PASSWORD RECOVERY is
enabled?

http://www.google.com/search?q=PASSWORD+RECOVERY+FUNCTIONALITY+IS+DISABLED&sourceid=ie7&rls=com.microsoft:en-US&ie=utf8&oe=utf8

according to these links, yes

but can someone tell me for sure that is possible?
I dont like to waste 50 euro for that router if it is in un-working
condition.

thank you



Posted by Doug McIntyre on March 6, 2008, 4:10 pm
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>I could buy a Cisco 2651XM but it is locked.
>The guy who wants to sell me says that he cannot unlock.

>It is possible to unlock it anyway, even if the NO PASSWORD RECOVERY is
>enabled?

>http://www.google.com/search?q=PASSWORD+RECOVERY+FUNCTIONALITY+IS+DISABLED&sourceid=ie7&rls=com.microsoft:en-US&ie=utf8&oe=utf8

>according to these links, yes

>but can someone tell me for sure that is possible?
>I dont like to waste 50 euro for that router if it is in un-working
>condition.


Depends on the IOS version. Very old versions locked you out completely.
Back when this was a highly undocumented command.

More modern versions of IOS/ROMMON now have the wipe config recovery option,
and you get some mention of it on Cisco's site.

I couldn't tell you when this changed, but I could see the 2651XM coming
out right about the beginning of the wipe config recovery option period.

So, its possible either way I guess.

Posted by Elia Spadoni on March 6, 2008, 4:38 pm
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Hello
this router has 128mb (1x128) and the latest bootrom, to support 256mb ram,
so I think it is quite recent.



Posted by Oli on March 7, 2008, 3:19 pm
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Elia Spadoni schrieb:
> Hello
> I could buy a Cisco 2651XM but it is locked.
> The guy who wants to sell me says that he cannot unlock.
>
> It is possible to unlock it anyway, even if the NO PASSWORD RECOVERY is
> enabled?
>
>
http://www.google.com/search?q=PASSWORD+RECOVERY+FUNCTIONALITY+IS+DISABLED&sourceid=ie7&rls=com.microsoft:en-US&ie=utf8&oe=utf8
>
> according to these links, yes
>
> but can someone tell me for sure that is possible?
> I dont like to waste 50 euro for that router if it is in un-working
> condition.
>
> thank you
>
>
What did you mean with "locked"? Are you missing the password to enter
the priviliged user mode?
In this case it should be no problem to break the starting sequence and
change the config register. Then you can start without startup-config,
enter the priviliged mode and load the startup config an renew the
passwords.
If you need more help just ask ;-)

Oli

Posted by Elia Spadoni on March 8, 2008, 10:37 am
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Hello

The router is a 2651XM
with the laster boot rom and 1x128mb DRAM


The router had in the config the "no service password recovery".
Someore removed the flash memory (I suppose a 32mb one - the router HAD a
total of 16onboard+32 added)

The router doesn't boot because cannot find flash.

If I think that was loaded a large IOS, it could be disposed a bit on the
onboard flash, another piece in the added ram.

If i use a 2621XM with 16+32, and I load onto in 4 files (12.3(20) IPBASE
that is about 7mb, if I load 4 different filenames .bin , there should be 2
ios on the onboard flash and someone else on the extra ram???

How can I recover it?



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