FTD CLI modes

 There are three CLIs while dealing with a FTD deployment on Firepower platform:

FSOX CLI --- Firepower-module>

CLISH       --- >

LINA CLI  --- firepower#

Moving between different CLI''s

FXOS >>> CLISH     connect ftd

CLISH >>> LINA      system support diagnostic-cli

LINA >>>CLISH       CTRL+a, d

CLISH >>> FXOS      exit

 Firepower 4100/9300 FXOS CLI Connects Diagram

firepower# connect module 1 console (telnet)

firepower# connect module 1 console
Telnet escape character is '~'.
Trying 127.5.1.1...
Connected to 127.5.1.1.
Escape character is '~'.

CISCO Serial Over LAN:
Close Network Connection to Exit

Firepower-module1>?
    secure-login     => Enable blade secure login
    show             => Display system information. Enter show ? for options
    config           => Configure the system. Enter config ? for options
    terminalLength   => Terminal settings. Enter terminal ? for options
    ping             => Ping a host to check reachability
    nslookup         => Look up an IP address or host name with the DNS servers
    traceroute       => Trace the route to a remote host
    connect          => Connect to specific csp console (asa, etc)
    support          => System file operations
    help             => Get help on command syntax

Firepower-module1> ~
telnet> close
Connection closed.
firepower#

firepower# connect fxos
firepower# connect fxos
firepower(fxos)# ?
  clear         Reset functions
  cli           CLI commands
  debug         Debugging functions
  debug-filter  Enable filtering for debugging functions
  ethanalyzer   Configure cisco packet analyzer
  no            Negate a command or set its defaults
  ntp           NTP configuration
  show          Show running system information
  system        System management commands
  terminal      Set terminal line parameters
  test          Test command
  undebug       Disable Debugging functions (See also debug)
  end           Go to exec mode
  exit          Exit from command interpreter
  pop           Pop mode from stack or restore from name
  push          Push current mode to stack or save it under name
  where         Shows the cli context you are in

firepower(fxos)# exit
firepower#
This example shows how to connect to the threat defense CLI on module 1:

firepower# connect module 1 console
Telnet escape character is '~'.
Trying 127.5.1.1...
Connected to 127.5.1.1.
Escape character is '~'.

CISCO Serial Over LAN:
Close Network Connection to Exit

Firepower-module1> connect ftd
>
To exit the threat defense console, enter exit. For pre-2.4(1) versions, enter Ctrl-a, d
Return to the supervisor level of the FXOS CLI:
Exit the console:
Enter ~, then quit to exit the Telnet application.
Example:

> exit
Firepower-module1> ~
telnet> quit
firepower#

Exit the Telnet session:
Enter Ctrl-], .
Example:

> exit
Firepower-module1> Ctrl-], .
firepower#