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Nortel Switch Password recovery

Posted on 2009-07-10
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Last Modified: 2012-06-21
Hi All I hope that you will be able to help me,

I've got Nortel Ethernet Routing Switch 4548GT-PWR I was trying to Set a Web Password from : Administration > Security > Web

in Web Switch Password Setting i was changing into Local and typed the password for Readonly and Read/Write

I was trying to set the password into "password" and clicked on submit.

The machine prompt me  a note that the password must be lenght of 10-15 digits and i should click on OK.

Now... I can't login into it ... I've god login failed all the time....

What should i do??
I was trying to connect by Telnet but No matter which password i'm using I Can't login.

Please help me here ...


nortel-login.jpg
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Question by:info-btech
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Expert Comment

by:from_exp
ID: 24825327
have you tried serial connection?
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by:info-btech
ID: 24825445
No i'm not onsite
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by:from_exp
ID: 24825542
if you haven't saved config, then reboot should help also.
otherwise console is your only hope....
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Author Comment

by:info-btech
ID: 24825724
there is no option to "Save".
this switch Auto Saves the configuration automaticly.

does anyone here knows if there is any way using the MAC address or hash that as the Password like other vendors has the ability to recover the Admin password?
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Expert Comment

by:from_exp
ID: 24825915
autosave feature can be disabled (if I remember correctly)
however, I would try console first, because without physical access you hardly be able to recover lost password....
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Author Comment

by:info-btech
ID: 24827949
Yes but if i am comparing this device to another vendors (Like Cisco for example) i remmember that there is an option to recover lost admin password..
i would like to know if this option is available in Nortel products.

A help will be very appreciated in here...

Thanks in advance
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Expert Comment

by:Istvan Kalmar
ID: 24829656
Do you have another privileged password or write community via SNMP?

If you have another baystack, you could try to stack it.
Since the password for stack's and standalone units are different.
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Author Comment

by:info-btech
ID: 24829714
This unit configured as a Base one.
and i don't know if snmp is enabled.

This device was configured from default configurations.
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Accepted Solution

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info-btech earned 0 total points
ID: 24837802
Well... Found the Solution:

Default password and default password security
For the non-SSH image, the default password for RO is user and secure
for RW. For the SSH software image, the default password for RO is
userpasswd and securepasswd for RW.


From page 53 on the attached PDF File.
NN47205-505-04.05-Configuration-.pdf
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