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ZTNA - Zero Trust Network Access

on December 27, 2025

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Firepower FMC and FTD troubleshooting

1. Display real time log on FMC or FTD: pigtail for example: pigtail | grep 192.168.2.20 pigtail | grep sftunnel pigtail --help pigtail deploy pigtail gui 2. Restart communication channel manage_procs.pl run it from the sensor only, run it from FMC will reset all sensors' channel. This scripts are nice to be used when the FMC and FTD have communication problems like heartbeats are not received, policy deployment is failing or events are not received > expert ************************************************************** NOTICE - Shell access will be deprecated in future releases and will be replaced with a separate expert mode CLI. ************************************************************** admin@FTD:~$ sudo su Password: root@FTD:/home/admin# manage_procs.pl **************** Configuration Utility ************** 1 Reconfigure Cor...

Firepower 2100/1100 FTD/ASA initial setup, reimage, upgrade.

Chassis FXOS and FTD share same management IP (default 192.168.45.45) Chassis FXOS (192.168.45.45) and ASA ()use different management IP although on same physical interface. SSH to FXOS/FTD are on FTD CLI prompt, go to FXOS using the connect fxos command Console to Chassis is on FXOS CLI prompt, go to FTD using the connect ftd command The Firepower 1100 does not support the FXOS Firepower Chassis Manager; only a limited CLI is supported for troubleshooting purposes. The Firepower 2100 runs an underlying operating system called the Firepower eXtensible Operating System (FXOS). If you run ASA on Firepower 2100, ASA can be in the following modes: Appliance mode (the default after ASA 9.13)—Appliance mode lets you configure all settings in the ASA. Only advanced troubleshooting commands are available from the FXOS CLI. See the FXOS troubleshooting guide for more information. Firepower Chassis Manager is not supported . ciscoasa# connect fxos...

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 ...

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ZTNA - Zero Trust Network Access

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