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🔸 pfSense - How to Configure High Availability and CARP Virtual IP LAN with 2 Firewall pfSense

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📌 Firewall tutorials

✳️ pfSense Firewall

👉 pfSense - Allow Internet Access for Specific IP Addresses on pfSense Firewall:    • pfSense - Allow Internet Access for Specif...  

👉 pfSense - Configure VPN Site-to-Site IPsec with Certificate Authentication in pfSense Firewall:    • pfSense -  Configure VPN Site-to-Site IPse...  

👉 Configure VPN Client-to-Site with OpenVPN on pfSense Firewall:    • pfSense - Configure VPN Client-to-Site wit...  

👉 Configure Failover (Multiple WAN) on pfSense Firewall:    • pfSense - Configure Failover (Multiple WAN...  

👉 Configure Multiple WAN Load Balancing on pfSense:    • pfSense - Configure Multiple WAN Load Bala...  

👉 Configure Limit Bandwidth Access Internet on pfSense Firewall:    • pfSense - Configure Limit Bandwidth Access...  

👉 Configure VPN Site to Site IPSec in pfSense Firewall:    • pfSense - Configure VPN Site to Site IPSec...  

👉 Configure High Availability and CARP Virtual IP LAN on pfSense:    • pfSense - Configure High Availability and ...  

👉 Allow ICMP (PING) Protocol in pfSense Firewall:    • pfSense - Allow ICMP (PING) Protocol in pf...  

👉 Allowing Only LAN to Access the Internet Web Services:    • pfSense - Allowing Only LAN to Access the ...  

👉 Block Access to All Service on LAN in pfSense Firewall:    • pfSense - How to Block Access to All Servi...  

👉 Access pfSense Firewall Web GUI through WAN Interface:    • pfSense - Access pfSense Firewall Web GUI ...  

👉 How to Install and Configure pfSense Firewall on VMware Workstation:    • How to Install and Configure pfSense Firew...  

👉 How to Install and Configure pfSense Firewall on Virtualbox:    • How to Install and Configure pfSense Firew...  

👉 How to Install and Configure pfSense Firewall on Hyper-V:    • How to Install and Configure pfSense Firew...  

👉 How to Install and Configure pfSense Firewall on GNS3: updating

✳️ OPNSense Firewall

👉 How to Install and Configure OPNSense Firewall on VMware Workstation:    • How to Install and Configure OPNsense Fire...  

👉 How to Install and Configure OPNSense Firewall on Virtualbox:    • How to Install and Configure OPNsense Fire...  

👉 How to Install and Configure OPNSense Firewall on Hyper-V:    • How to Install and Configure OPNsense Fire...  

👉 How to Install and Configure OPNSense Firewall on GNS3: updating

✳️ FortiGate Firewall

👉 How to Install and Configure FortiGate Firewall on VMware Workstation: updating

👉 How to Install and Configure FortiGate Firewall on Virtualbox: updating

👉 How to Install and Configure FortiGate Firewall on Hyper-V: updating

👉 How to Install and Configure FortiGate Firewall on GNS3: updating

📌 High Availability (HA): Is a network architecture designed to ensure that network services remain available even when one or more primary responsible devices encounter a failure.

🔸 High Continuity:
Failover: When a firewall or primary device (Master) experiences a failure, HA automatically shifts responsibilities to the backup device without service disruption.
🔸 Enhanced Reliability:
CARP Virtual IP: Utilizing the CARP protocol to create a virtual IP address maintains service continuity and load sharing across devices.
🔸 Downtime Reduction:
Automation: The transition between primary and backup devices occurs automatically, minimizing downtime and keeping the network operational.
🔸 Data Redundancy:
Data Synchronization: HA-configured devices can be set up to synchronize data, ensuring consistency across devices.
🔸 Ease of Management:
Remote Management: HA provides remote management capabilities, allowing administrators to monitor and manage the network from anywhere.
🔸 Performance Improvement:
Load Balancing: If multiple services run on the network, HA can be configured for load balancing, enhancing system performance.

In summary, the High Availability feature in pfSense not only strengthens the reliability of the network system but also minimizes service disruption, providing flexibility and ease of management in network maintenance and operation.