Config Register

Use of the Configuration Register on All Cisco Routers

Config Register
Show Register in IOS
Show Register in ROMMON
Demonstrations -
Boot ROMMON 0x2100
Demonstrations -
Boot Normal 0x2102
Demonstrations -
Password Recovery 0x2142
Cisco Documentation

Config Register Values

First HEX Value =

Set Value: Meaning:

Second HEX Value =

Set Value: Meaning:

Third HEX Value =

Set Value: Meaning:

Fourth HEX Value =

Set Value: Meaning:

Choose Boot option:

Console Speed (bps):

Router Behavior:


Console Speed

Commands to configure:

enable
configure terminal
config-register
end