Ginter 01‐1 - LPouliot/Junior-Spring-NET-330-01-Network-Design GitHub Wiki
Week 1 Stuff you might need
How to reset a Cisco Router Password.
Have Putty or some other terminal program running on port connected to the router console cable
As router starts to boot send a break signal (Ctrl-Break on Putty)
This should put the router in ROMMON mode.
Type confreg 0x2142 This sets a bit in the router to bypass the startup configuration
Type reset to reboot the router.
Respond no to all startup questions
Type enable to get into privileged mode
Get the startup configuration into memory: copy startup-config running-config
Enter configuration mode by typing: configure terminal
Set a password by typing enable secret aSecretPassword
Put the configuration register back to boot from startup: config-register 0x2102
Save your password: copy running-config starup-config
You can now reboot or restart your router.
Reset Startup to default
From putty press ctrl-break while router stats booting
at rommon prompt type confreg 0x2142
at rommon prompt type reset to restart the router
When the router offers to go through setup type no
at Router> prompt type enable to enter the privileged enable mode.
at Router# prompt type copy running-config startup-config
at Router# prompt type config t
at the config prompt type config-register 0x2102
type exit to leave config mode
type write memory to create a configuration
type reload to reload