Cisco CLI

1. show
   1. ip nat statistics
   2. ip nat translations
   3. mac address-table

      Nota:

      • * dynamic * static * secure - port-security * count* aging-timeclear mac address-table dynamicdynamic vlan _vlan-id_dynamic interface _int-id_dynamic address _mac-addr_
   4. running -config
   5. dhcp lease

      Nota:

      • display any leases assigned to the switch or router
   6. crypto key mypubkey rsa

      Nota:

      • displays the public and private key pair generated by crypto key generate
   7. ip ssh

      Nota:

      • displays information about the ssh server and version 
   8. ssh

      Nota:

      • display information about ssh sessions
   9. ip default-gateway
   10. history

       Nota:

       • display command history
2. terminal history size __size__

   Nota:

   • changes the history size for the current session

Nota:

• * type -  ** gig, ten, po, vlan

1. switchport mode <mode>

   Nota:

   • * trunk * access * dynamic auto * dynamic desirable * dynamic auto * nonegotiate
2. ip address <address> <mask> [secondary]

   Nota:

   • ip address dhcp for auto configuration 
3. ip nat <zone>

   Nota:

   • * inside - applied to inside interface with RFC1918 address * outside - applied to outside interface with public address
4. switchport access vlan __vlan-id__
5. switchport trunk allowed vlan [add,remove] __vlan-id__

1. route <address> <mask> <next-hop> [AD]
2. nat inside source static <inside-local> <inside-global>

   Nota:

   • * inside global is the address that is used to traverse the internet.
3. nat pool <name> <first addr> <second addr> netmask <mask>

   Nota:

   • Dynamic NAT
4. nat inside source list [#] pool <name>

   Nota:

   • Dynamic NAT
5. nat inside source list [#] interface <type id> overload

   Nota:

   • NAT overload or PAT
6. ssh version <1|2>
7. ssh source interface <type id>
8. default-gateway __ip-address__
9. name-server __ip-addr__ __ip-addr__ ...

   Nota:

   • add a dns resolver to IOS

1. console 0
2. vty 0 _num_
   1. access-class __access-list__ <in|out>
   2. tranport input <all|ssh|telnet|none>
3. password _password_
4. login [local]
5. history __size__ __length__
6. exec-timeout __minutes__ [seconds]

Nota:

• set the hostname for the router

Nota:

• it will wait until the command is entered before outputting the logs to the console