Cisco Firepower 2100 Series Security Appliances
| Overview | Product Overview |
|---|---|
| Product Type | Firewalls |
| Status |
End of Sale
EOL Details
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| Series Release Date | 21-FEB-2017 |
| End-of-Sale Date | 27-MAY-2025 |
| End-of-Support Date | 31-MAY-2030 |
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This product is supported by Cisco, but is no longer sold.
Supported Models: - Cisco Firepower 2110 Security Appliance - Cisco Firepower 2120 Security Appliance - Cisco Firepower 2130 Security Appliance - Cisco Firepower 2140 Security Appliance |
|
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- Worldwide Support Phone Numbers
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Recent Security Notices
- 25-Mar-2026
- 04-Mar-2026
- 04-Mar-2026
- 04-Mar-2026
- 04-Mar-2026
Document Categories
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Data Sheets and Product Information
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Security Notices
- Field Notice: FN74214 - Cisco Secure Firewall Management Center: Root Certificate Authority Expiration May Cause Cisco Firepower Threat Defense Devices To Become Unmanaged - Software Upgrade Recommended
- Field Notice: FN74316 - Cisco Secure Firewalls: Microsoft Intune Managed Endpoints Might Be Unable to Communicate with the Intune Service After December 2, 2025 - Configuration Change Recommended
- Field Notice: FN74199 - Cisco Firepower 2100 Series Security Appliances: Some Units Can Experience Memory Failures - Hardware Upgrade Available
- Field Notice: FN74250 - Cisco Firepower 1100 and 2100 Series Security Appliances: Some Solid State Drives May Experience Higher Than Normal Failure Rate - Hardware Upgrade Available
- Field Notice: FN74213 - Cisco ASA Software: Upgrades To Software Release 9.18.4.24 May Not Save Configuration - Software Upgrade Recommended
- Field Notice: FN74212 - Cisco FXOS Software: ASA Smart License Entitlement Might Be Lost After Reload of Firepower Security Appliance - Software Upgrade Recommended
- Field Notice: FN74153 - ASA Software: Secure Firewall Appliance Lina Process Might Traceback And Reload - Software Upgrade Recommended
- Field Notice: FN74140 - Cisco Firepower Software: Cisco Secure Client Images Larger Than 100 MB Might Not Upload To Cisco Firepower Management Center - Software Upgrade Recommended
- Field Notice: FN74062 - Cisco Firepower Management Center Software: MariaDB Database Might Become Unresponsive And Prevent User Login Access - Software Upgrade Recommended
- Field Notice: FN - 72550 - ASA and Firepower Software: Secure Firewall Appliance Might Traceback And Reload In A High Availability Configuration - Software Upgrade Recommended
- Field Notice: FN - 72468 - ASA and Firepower Software: Some Applications Might Cause Traceback and Reload on Cisco Secure Firewall 2100 Series Security Appliances - Software Upgrade Recommended
- Field Notice: FN74001 - ASA Software: FPR1100 And FPR2100 Series Security Appliances Might Incorrectly Report Fan Alert Condition - Software Upgrade Recommended
- Field Notice: FN - 72548 - Firepower Software: Log Files Might Consume Excessive Disk Space - Software Upgrade Recommended
- Field Notice: FN - 72439 - ASA and FTD Software: Network Address Translation Might Become Disabled - Software Upgrade Recommended
- Field Notice: FN - 72501 - Firepower Software: Automatic Software Downloads And Content Updates Might Fail After January 10, 2023 - Software Upgrade Recommended
Field Notices
- Cisco IOS, IOS XE, Secure Firewall Adaptive Security Appliance, and Secure Firewall Threat Defense Software IKEv2 Denial of Service Vulnerability
- Cisco Adaptive Security Appliance and Firepower Threat Defense Software Command Injection Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Lua Code Injection Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software OSPF Protocol Vulnerabilities
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Access Control List Bypass Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability
- Cisco Secure Firewall Threat Defense Software TLS with Snort 3 Detection Engine Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Server Denial of Service Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability
- Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software Remote Access SSL VPN Denial of Service Vulnerabilities
- Cisco Secure Firewall Management Center and Secure Firewall Threat Defense Software Path Traversal Vulnerability
- Cisco Secure Firewall Threat Defense Software Snort Deep Inspection Bypass Vulnerability
- Cisco Secure Firewall Threat Defense Software Snort 3 SSL Memory Management Denial of Service Vulnerability
- Multiple Cisco Products Snort 3 Denial of Service Vulnerabilities
- Multiple Cisco Products Snort 3 Visual Basic for Applications Denial of Service Vulnerabilities
Security Advisories, Responses and Notices
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Release and Compatibility
- Cisco Secure Firewall ASA Compatibility
- Cisco Secure Firewall Threat Defense Compatibility Guide
- Supported VPN Platforms, Cisco Secure Firewall ASA Series
- Cisco Secure Firewall Migration Tool Compatibility Guide
Compatibility Information
- Cisco Secure Firewall Management Center New Features by Release
- Cisco Secure Firewall ASA New Features by Release
- Cisco Secure Firewall Threat Defense/Firepower Hotfix Release Notes
- Release Notes for Cisco Secure Firewall ASDM, 7.20(x)
- Release Notes for the Cisco Secure Firewall ASA, 9.20(x)
- Cisco Firepower Release Notes, Version 7.0.x
- Cisco Secure Firewall Threat Defense Release Notes, Version 7.2.x
- Cisco Secure Firewall Threat Defense Release Notes, Version 7.4.x
- Cisco Secure Firewall Device Manager New Features by Release
- Release Notes for the Cisco ASA Series, 9.17(x)
- Release Notes for Cisco ASDM, 7.17(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.19(x)
- Release Notes for the Cisco Secure Firewall ASA Series, 9.19(x)
- Release Notes for Cisco Secure Firewall ASDM, 7.18(x)
- Release Notes for the Cisco Secure Firewall ASA Series, 9.18(x)
Release Notes
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Reference
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Threat Defense
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ASA
- Cisco Secure Firewall ASA Series Command Reference, A-H Commands
- Cisco Secure Firewall ASA Series Command Reference, I - R Commands
- Cisco Secure Firewall ASA Series Command Reference, S Commands
- Cisco Secure Firewall ASA Series Command Reference, T - Z Commands and IOS Commands for ASASM
- show asp drop Command Usage
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FXOS
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Translated Guides
Command References
- Navigating the Cisco Secure Firewall Migration Tool Documentation
Documentation Roadmaps
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Feature Licenses
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Open Source Licenses
- Cisco Secure Firewall Management Center Device Configuration Guide, 7.3
Licensing Information
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Design
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Install and Upgrade
- Migrating Check Point Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Cisco Secure Firewall ASA Upgrade Guide
- Cisco Secure Firewall Threat Defense Upgrade Guide for Management Center, Version 7.2.6–7.2.x
- Cisco Secure Firewall Threat Defense Upgrade Guide for Management Center, Version 7.4.1–7.4.x
- Migrating Fortinet Firewall to Cisco Multicloud Defense Using the Secure Firewall Migration Tool
- Migrating Microsoft Azure Native Firewall to Cisco Secure Firewall Threat Defense with the Secure Firewall Migration Tool
- Migrating an FDM-Managed Device to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating ASA with FirePOWER Services (FPS) Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Fortinet Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Palo Alto Networks Firewall to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Cisco Secure Firewall ASA to Cisco Secure Firewall Threat Defense with the Migration Tool
- Migrating Palo Alto Networks Firewall to Cisco Multicloud Defense with the Migration Tool
- Migrating Check Point Firewall to Cisco Multicloud Defense Using the Secure Firewall Migration Tool
- Migrating Cisco Secure Firewall ASA to Cisco Multicloud Defense with the Migration Tool
- Cisco Firepower 2100 Series Hardware Installation Guide
Install and Upgrade Guides
- Reimage a Secure FTD for 1000, 2100, and 3100 Series
- Upgrade FTD HA via CLI Managed by FMC
Install and Upgrade TechNotes
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Configuration
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Applicable to Multiple Models
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Cisco Firepower 2130 Security Appliance
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Cisco Firepower 2120 Security Appliance
- Configure and Troubleshoot SNMP on Firepower FDM
- Configure FDM On-Box Management Service for The Secure Firewall 2100
- Configure OSPF Routing on FTD via FDM
- Configure or Change FXOS Firepower 2100 Password
- FTD: How to enable TCP State Bypass Configuration using FlexConfig Policy
- Firepower eXtensible Operating System (FXOS) 2.2: Chassis Authentication and Authorization for remote management with ACS using TACACS+.
- Firepower eXtensible Operating System (FXOS) 2.2: Chassis Authentication and Authorization for remote management with ACS using RADIUS
Configuration Examples and TechNotes
- CLI Book 1: Cisco Secure Firewall ASA General Operations CLI Configuration Guide, 9.20
- ASDM Book 1: Cisco ASA General Operations ASDM Configuration Guide, 7.20
- Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 7.0
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.2
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.3
- Cisco Secure Firewall Device Manager Configuration Guide, Version 7.4
- CLI Book 1: Cisco Secure Firewall ASA Series General Operations CLI Configuration Guide, 9.19
- ASDM Book 1: Cisco ASA Series General Operations ASDM Configuration Guide, 7.19
- CLI Book 1: Cisco ASA Series General Operations CLI Configuration Guide, 9.16
- ASDM Book 1: Cisco ASA Series General Operations ASDM Configuration Guide, 7.16
- Cisco Secure Firewall Management Center Device Configuration Guide, 7.2
- CLI Book 3: Cisco Secure Firewall ASA VPN CLI Configuration Guide, 9.20
- Custom Snort 3 Intrusion Policies for Access Control
- Cisco Secure Firewall ASA HTTP Interface for Automation
- Cisco Firepower Threat Defense Configuration Guide for Firepower Device Manager, Version 7.1
Configuration Guides
- Cisco Secure Firewall Threat Defense REST API Guide
Programming Guides
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Troubleshooting
- Cisco Secure Firewall Threat Defense Syslog Messages
- Cisco Secure Firewall ASA Series Syslog Messages
- Cisco Secure Firewall Migration Tool Error Messages
- Cisco Firepower 1000/2100 FXOS Faults and Error Messages, Firepower Threat Defense 6.6 and ASA 9.14(1)
- Cisco Firepower 2100 Series Faults and Error Messages for ASA Version 9.8(2)
- Cisco Firepower 2100 Series Faults and Error Messages, Version 6.2.1
Error and System Messages
- Recover Password for Firepower 2100 Series
Password Recovery
- Cisco FXOS Troubleshooting Guide for the Firewall Threat Defense
- Cisco FXOS Troubleshooting for the ASA
Troubleshooting Guides
- Troubleshoot Unexpected Secure Firewall/Firepower Reboot
- Troubleshoot ASA Smart License on FXOS Firepower Appliances
- Troubleshoot Drain of FMC Unprocessed Events and Frequent Drain of Events Health Monitor Alerts
- Resolve Logrotation Failures Due to Permission Issues with Parent Directory of Logs
- Troubleshoot Packet Drop on FP2100 Caused by Physical Interface in Half Duplex Mode
- Guidelines for Downloading Data from the Firepower Management Center to Managed Devices
Troubleshooting TechNotes
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Literature
- The Future of the Firewall White Paper
White Papers
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