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Cisco CCNA Certification: Passwords, Passwords, Passwords!

When you're looking at a Cisco router configuration, figuring out what the different passwords do can be a little confusing at first. But as I tell all my students, the key to understanding something that looks complex is to break it down to smaller parts.

Laptop Battery Having said that, let's take a look at a typical running configuration and then break it down line by line to make sure you understand what each password is doing. This is a must for success on exam day and on the job!

Here' Enter Server Connection Information You have to enter the ftp address, port, user ID, and password of the site. You can also choose to enter the login and password later. You can browse and choose the drive and directory from your computer. Enter Accessible Path for Server Here, you have to enter the URL of the server, how your files can be accessed publicly. Also on the bottom, you can enter the name of your presentation's home page.

Thinkpad

advertisement sign in sign in Enter the email address and password that you used to sign up for your Membership or to register your account and hit the "submit" button. email address password forgot your password help search eCards you are now viewing

Microsoft Username r1 password router

advertisement sign in sign in Enter the email address and password that you used to sign up for your Membership or to register your account and hit the "submit" button. email address password forgot your password help search eCards you are now viewing

Laptop Computers Username chris password Bryant

advertisement sign in sign in Enter the email address and password that you used to sign up for your Membership or to register your account and hit the "submit" button. email address password forgot your password help search eCards you are now viewing

Laptop Computer Username david password stimpson

advertisement sign in sign in Enter the email address and password that you used to sign up for your Membership or to register your account and hit the "submit" button. email address password forgot your password help search eCards you are now viewing

Desktop Computer Enable password cisco

Notebooks Enable secret ccna

Lenovo Service password-encryption

Hard Drive Line console0

Travelstar Login

Gateway Password passexam

Laptop Parts Line vty 0 4

Software Login

Hard Drives Password ccnp

Electronics

Canon There's a lot going on in that little configuration. Working from top to bottom, let's take a look at what each section does.

Desktop Pc Username r1 password router

Desktop Computers Username chris password Bryant

Think Pad Username david password stimpson

Repair The username / password combination creates a local database that the router will use to authentication users connecting on your BRI lines, and it's also used to authenticate users connecting via telnet!

Data Recovery To use the local database instead of a common VTY password:

Cisco Line vty 0 4

Keyboard Login local

Monitor This allows each user to have their own password instead of everyone using the single VTY line password.

Desktop

Infosys Enable password cisco

Refurbished Laptops Enable secret ccna

Wipro The enable password and enable secret commands are used to do the same thing - protect privileged exec mode, more commonly referred to as enable mode.

Lap Top Why use both? The enable password is still in use for backwards compatibility. Most routers are configured with both, and they'll probably be different. (This is because the router's going to prompt you for a different password for one if you try to set them both to the same word.)

Refurbished If we only have one enable mode to protect, but two different passwords, which one should a user enter? The enable secret - because the enable secret always has precedence over the enable password. No exceptions. (We don't get to say that very often in Ciscoland, do we? J )

Memory There's one other major difference. The enable secret is encrypted by default the enable password is displayed in clear text. Actually, all the other passwords you see above will be displayed in clear text by default.

Intel Service password-encryption

As400 This default can be changed by activating a Cisco router service that's off by default. Run the service password-encryption command to encrypt all passwords in your configuration.

Averatec Before a user gets to enable mode, though, there may be a password to start working at the console to begin with. This password has to be entered just to get to user exec (assuming the previous user logged out fully and correctly!).

Hardware Line console0

Dual Xeon Login

Storage Password passexam

Seagate Note that there are two commands. You need to enable the password function with the "login" command, and then set a password. The order in which you enter these two commands does not matter - just make sure you enter them both!

Computer Sales Line vty 0 4

Computer Hardware Login

Printers Password ccnp

Technology

Mainframe Of course, the VTY lines are used to enable Telnet connectivity and to set a password. Cisco requires a password be set for Telnet access, and this basic configuration will prompt any user for the one single password. This password would apply to all five simultaneous Telnet connections if more than one user were telnetting in at once.

Samsung

Computer Repair To get your CCNA, you've got to be more than ready for password questions. Whether you're asked to set one or troubleshoot an existing configuration on an exam or on the job, these should be second nature to you. And they will be, once you break a configuration like this into smaller parts.

Used Computers

Network Chris Bryant, CCIE #12933, is the owner of The Bryant Advantage (http://www.thebryantadvantage.com), home of free CCNA and CCNP tutorials, The Ultimate CCNA Study Package, Ultimate CCNP Study Packages, and CCNA CBT video training. Pass the CCNA exam ,BSCI exam , and BCMSN exam with Chris Bryant, CCIE #12933!





Digital Cameras For a copy of his FREE "How To Pass The CCNA" or "How To Pass The CCNP" ebook and receive a FREE CCNA and CCNP question every day, just visit the website and claim your free copies!

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