enable - en
configure terminal - conf t
copy
copy startup-config running-config
copy running-config startup-config
write memory - wr mem
show - sh
show running-config | inc x
show startup-config | inc x
show ip route
show ip interface brief
show ip prot
show mac address-table
show run int Xx/x
show run status
show vlan id xxx
show control-plane host open-ports
show cdp neighbors
show arp
show ip arp
show int status
show port-security int Xx/x
hostname
interface - int
ip address
ip address x.x.x.x y.y.y.y
ip address dhcp
ip default-gateway x.x.x.x
ip route x.x.x.x y.y.y.y n.n.n.n
shutdown - shut
switchport
switchport mode access
switchport access vlan xxx
switchport port-security
switchport port-security mac-address sticky
switchport port-security violation restrict | protect | shutdown
switchport trunk encapsulation dot1q
switchport trunk native vlan xxx
switchport mode trunk
ping
traceroute
no + command = remove