Setting Up Passwords on Cisco Router

1

Setting password to protect Console Port

To configure the console password, follow these steps.

Router#config t

Router(config)# line console 0

Router(config-line)# password CISCO

Router(config-line)# login

How to password protect Auxilary (AUX Port) Port

To configure the auxilary password, follow these steps.

Router#config t

Router(config)#line aux 0

Router(config-line)#password cisco

Router(config-line)#login

How to password protect VTY Ports (Telnet Ports)

Configuring the VTY password is very similar to doing the Console and Aux ones. The only difference is that there are 5 VTY virtual ports, which are named 0, 1, 2, 3, and 4. You can use the shortcut 0 4 (a zero, a space, and 4) to set all 5 passwords at the same time. To configure the VTY password, follow these steps.

Router#config t

Router(config)#line vty 0 4

Router(config-line)#password cisco

Router(config-line)#login

How to password protect Privileged Mode

The Enable Password is the old form of the password for “Privileged Mode”. Here the password is stored un-encrypted.

Router#config t

Router(config)#enable □ password □ cisco

Enable Secret provides better security since password is kept encrypted.

Router#config □ t

Router(config)#enable □ secret □ cisco

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