Password setting
and breaking in Router
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Default OS in router –ROMMON
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In Rommon mode,we can recover
password,recover flash etc.
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Startup config -0x2102
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Blank register -0x2142
Password Setting
1.
Manually restart the router
2.
Press
ctrl+break button for 15 seconds
3.
Then it comes to rommon mode
4.
rommon 1 >confreg 0x2142 –press enter
5.
rommon 2 >reset
6.
Router>enable –press enter
7.
Router#copy startup-configure running-configure
8.
Router#show running-configure(Here we can view
the password )
9.
For deleting
the password type
10.
Router#no enable password
11.
Router#copy running-config startup-config
12.
Router#configure –press enter
13.
Router(config)#config-register 0x2102
14.
Router(config)#exit
15.
Router#write –press enter –for saving changes
16.
Router#reload –after saving only reload
[If we deleted the password after reload the router won’t ask password or
else we just viewed the password only,then after reload we have to give the
enable password and continue..]Thank you.
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