Modes
The mode you start in
User Exec mode - Router>
In order to traverse network boundaries, you must have one of these at your home or business
Router
A way to access the routers configuration locally
console
The command that puts you in privileged mode
Router>enable
All show commands can be done from this mode
Privileged Exec mode - Router#
Your router's IP address is input on your PC in this spot
Default gateway
Unsecure remote access
Telnet
The command that puts you global config mode
Router#config terminal
The mode used to issue commands to the entire router
Global Config mode - Router(config)#
Routers function primarily at what layer
Network Layer (Layer 3)
Remote access with encryption
SSH (Secure Shell)
This command creates a warning for anything trying to access the device
Router(config)#banner motd #motd#
An IP address is applied in this mode
Interface configuration mode - Router(config-if)#
Routers forward these to their next hop
Packets
Without this command, the device will not prompt you for a password
login
Display the routers interfaces IP and status only
show ip interface brief
The mode that secures remote access
Line configuration mode - Router(config-line)#
Routers choosing a route to the destination is called
path selection
This command will allow encrypted access to the VTY lines
transport input ssh
Displays the routing table on the device
show ip route