1. ആമുഖം
This manual provides comprehensive instructions for the installation, operation, maintenance, and troubleshooting of the FortiGate 91G hardware appliance. The FortiGate 91G is an advanced next-generation firewall designed to provide robust security and networking capabilities for various environments.
It integrates features such as Unified Threat Protection (UTP), Wi-Fi control, Software-Defined Wide Area Network (SD-WAN), and Zero-Trust Network Access (ZTNA) to deliver a secure and efficient network infrastructure.
2. ഉൽപ്പന്നം കഴിഞ്ഞുview
The FortiGate 91G is a compact, high-performance security appliance. Below are images illustrating its physical design and key interfaces.
ചിത്രം 2.1: മുൻഭാഗം view of the FortiGate 91G appliance, showing all ports and indicators.
ചിത്രം 2.2: കോണാകൃതിയിലുള്ളത് view of the FortiGate 91G, highlighting its compact form factor.
Figure 2.3: Close-up of the FortiGate 91G front panel, detailing the console, USB, SFP+, WAN, and Ethernet ports.
2.1 ഫ്രണ്ട് പാനൽ ഘടകങ്ങൾ
- കൺസോൾ പോർട്ട്: RJ45 port for direct management access.
- USB പോർട്ടുകൾ: For external storage or other compatible devices.
- SFP+ Ports (SFP+1, SFP+2): High-speed fiber optic or copper transceiver ports.
- WAN Ports (WAN1, WAN2): Dedicated ports for Wide Area Network connectivity.
- Ethernet Ports (1-6, A-B): Multiple Gigabit Ethernet ports for local network connections.
- Status Indicators (PWR, STATUS, HLD): LEDs indicating power, system status, and high availability link status.
- റീസെറ്റ് ബട്ടൺ: For resetting the device to factory defaults (requires specific procedure).
3. സജ്ജീകരണ ഗൈഡ്
3.1 Unboxing and Contents Verification
Carefully unpack the FortiGate 91G appliance and verify that all components are present. The standard package includes:
- FortiGate 91G NGFW Appliance
- പവർ അഡാപ്റ്റർ/കേബിൾ
- ദ്രുത ആരംഭ ഗൈഡ്
- വാറന്റി, സുരക്ഷാ വിവരങ്ങൾ
3.2 ഫിസിക്കൽ ഇൻസ്റ്റലേഷൻ
- പ്ലേസ്മെൻ്റ്: Position the FortiGate 91G on a stable, flat surface in a well-ventilated area. Ensure adequate airflow around the device to prevent overheating. Avoid placing it near heat sources or in direct sunlight.
- പവർ കണക്ഷൻ: Connect the power adapter to the FortiGate 91G's power input and then plug it into a suitable power outlet. The Power (PWR) LED on the front panel should illuminate.
- നെറ്റ്വർക്ക് കണക്ഷനുകൾ:
- Connect your internet service provider's (ISP) modem or router to one of the WAN ports (e.g., WAN1) using an Ethernet cable.
- Connect your internal network devices (e.g., switches, computers) to the Ethernet ports (1-6, A-B).
- If using SFP+ modules, insert them into the SFP+ ports and connect the appropriate fiber or copper cables.
3.3 പ്രാരംഭ കോൺഫിഗറേഷൻ ആക്സസ്
To access the FortiGate 91G for initial configuration, you can use either the web-based manager or the command-line interface (CLI) via the console port.
- Web-based Manager: Connect a computer to one of the internal Ethernet ports. By default, the FortiGate may assign an IP address via DHCP or have a default static IP (e.g., 192.168.1.99). Open a web browser and navigate to the FortiGate's IP address.
- Console (CLI): Connect a console cable from your computer's serial port (or USB-to-serial adapter) to the FortiGate's Console port. Use a terminal emulation program (e.g., PuTTY, Tera Term) with settings: 9600 baud, 8 data bits, no parity, 1 stop bit, no flow control.
4. പ്രവർത്തന നിർദ്ദേശങ്ങൾ
The FortiGate 91G operates as a comprehensive security and networking appliance. Its primary functions include:
- Next-Generation Firewall (NGFW): Provides deep packet inspection, application control, and intrusion prevention to protect against advanced threats.
- Unified Threat Protection (UTP): Includes AI-powered FortiGuard Security Services such as IPS, antivirus, malware and spyware protection, cloud sandbox, web സുരക്ഷ, URL filtering, DNS security, video protection, and anti-bot communication.
- Wi-Fi Controller: Manages FortiAP wireless access points to provide secure Wi-Fi connectivity.
- എസ്ഡി-വാൻ: Optimizes WAN performance and cost by intelligently routing traffic across multiple connections.
- Zero-Trust Network Access (ZTNA): Enhances security by verifying every user and device before granting access to network resources.
Detailed configuration and operational procedures are available in the FortiGate Administration Guide, accessible through the Fortinet support portal.
5. പരിപാലനം
Regular maintenance ensures the optimal performance and longevity of your FortiGate 91G appliance.
- ഫേംവെയർ അപ്ഡേറ്റുകൾ: Periodically check for and apply the latest firmware updates from Fortinet. Firmware updates often include security patches, bug fixes, and new features.
- ശാരീരിക ശുദ്ധീകരണം: Keep the appliance clean and free of dust. Use a soft, dry cloth to wipe down the exterior. Ensure ventilation openings are not obstructed.
- പരിസ്ഥിതി വ്യവസ്ഥകൾ: Maintain the operating environment within specified temperature and humidity ranges to prevent hardware degradation.
- കോൺഫിഗറേഷൻ ബാക്കപ്പ്: Regularly back up your FortiGate configuration to an external location. This allows for quick restoration in case of unexpected issues or hardware replacement.
6. പ്രശ്നപരിഹാരം
This section provides basic troubleshooting steps for common issues. For more complex problems, refer to the Fortinet support documentation or contact technical support.
| പ്രശ്നം | സാധ്യമായ കാരണം | പരിഹാരം |
|---|---|---|
| വൈദ്യുതിയില്ല (PWR LED ഓഫ്) | Power cable disconnected, faulty power outlet, or power adapter issue. | Check power cable connections. Try a different power outlet. Verify power adapter functionality. |
| നെറ്റ്വർക്ക് കണക്റ്റിവിറ്റി ഇല്ല | Incorrect cable connection, interface misconfiguration, or firewall policy blocking traffic. | Verify Ethernet cable connections. Check interface status LEDs. Review FortiGate network configuration and firewall policies. |
| ആക്സസ് ചെയ്യാൻ കഴിയില്ല Web-based Manager | Incorrect IP address, network issue, or management access not enabled on interface. | Ensure your computer is on the same subnet as the FortiGate. Try pinging the FortiGate's IP. Verify HTTP/HTTPS management is enabled on the connected interface. |
| മന്ദഗതിയിലുള്ള പ്രകടനം | High network traffic, resource exhaustion, or outdated firmware. | Monitor system resources (CPU, memory) via the dashboard. Check for high session counts. Ensure firmware is up to date. |
7 സ്പെസിഫിക്കേഷനുകൾ
Key technical specifications for the FortiGate 91G appliance:
| മോഡൽ നമ്പർ | FG-91G |
| നിർമ്മാതാവ് | ഫോർട്ടിനെറ്റ് |
| കണക്റ്റിവിറ്റി ടെക്നോളജി | Wi-Fi (as controller), Ethernet, SFP+ |
| ഉൾപ്പെടുത്തിയ ഘടകങ്ങൾ | FortiGate 91G NGFW, 24/7 FortiCare support, AI powered FortiGuard Unified Protection with IPS, AV, malware and spyware protection, cloud sandbox, web സുരക്ഷ, URL filtering, DNS security, video protection, and anti-bot communication |
| പ്രത്യേക ഫീച്ചർ | അതിഥി മോഡ് |
| ശുപാർശ ചെയ്യുന്ന ഉപയോഗങ്ങൾ | Indoor/Outdoor (for network security applications) |
| ആദ്യം ലഭ്യമായ തീയതി | ഓഗസ്റ്റ് 11, 2023 |
8. വാറൻ്റിയും പിന്തുണയും
The FortiGate 91G comes with a comprehensive support package to ensure continuous security and operational efficiency.
- Unified Threat Protection (UTP) Bundle: Includes 1 year of UTP services, providing advanced threat intelligence and protection.
- FortiCare Premium Support: Includes 1 year of FortiCare Premium support, offering 24/7 technical assistance, hardware replacement, and access to Fortinet's knowledge base and resources.
For detailed warranty terms, service level agreements, and to access support resources, please visit the official Fortinet support website or contact your Fortinet reseller.
Fortinet Support Portal: https://support.fortinet.com
