High latency during log browsing, occasional firewall reboots. Root cause: FortiGate's logging daemon (logfiled) uses synchronous writes. Premium SSDs (even P30) have inconsistent latency. Fix: Use Ultra SSD (with 5,000+ IOPS) or offload logs to FortiAnalyzer or Azure Log Analytics.
A typical FortiGate setup needs at least 3-4 NICs (External, Internal, Management, and HA/Sync). Check the Specs:
Properly sizing your FortiGate VM in Azure is crucial to ensure optimal performance, security, and cost-effectiveness. By considering factors such as network traffic volume, network speed, security features, concurrent connections, and throughput requirements, you can choose the right Azure VM size for your FortiGate deployment. Follow the guidelines and best practices outlined in this article to ensure a successful FortiGate VM deployment in Azure.
Resizing an Azure FortiGate VM instance - Fortinet Community
Most Azure FortiGate deployments use via an Azure Load Balancer (Standard SKU). The sizing rule is simple:
Azure Marketplace offers (hourly) or BYOL (bring your own license).
: Azure limits the number of interfaces per VM. A VM-02 license only uses 2 vCPUs, but you might need a larger Azure instance (like Standard_D4s_v5 ) just to get more NICs for separate DMZs or subnets.
These are the "Compute Optimized" favorites. They offer the best bang-for-buck for high-performance security processing. D-Series (D4s_v5):
This guide is based on FortiOS 7.x and Azure public cloud. For critical deployments, perform your own POC with your actual traffic mix.
Do not guess. Follow this quantitative approach.
| VM Size | Firewall Only | IPsec (AES-256) | SSL Inspection | IPS + AV | |---------|--------------|----------------|----------------|-----------| | F2s v2 | ~200 Mbps | ~100 Mbps | ~50 Mbps | ~40 Mbps | | F4s v2 | ~500 Mbps | ~250 Mbps | ~120 Mbps | ~100 Mbps | | F8s v2 | ~1 Gbps | ~500 Mbps | ~300 Mbps | ~250 Mbps | | F16s v2 | ~2 Gbps | ~1 Gbps | ~600 Mbps | ~500 Mbps | | F32s v2 | ~4 Gbps | ~2 Gbps | ~1.2 Gbps | ~1 Gbps |
To ensure a successful FortiGate VM deployment in Azure, follow these best practices:
High latency during log browsing, occasional firewall reboots. Root cause: FortiGate's logging daemon (logfiled) uses synchronous writes. Premium SSDs (even P30) have inconsistent latency. Fix: Use Ultra SSD (with 5,000+ IOPS) or offload logs to FortiAnalyzer or Azure Log Analytics.
A typical FortiGate setup needs at least 3-4 NICs (External, Internal, Management, and HA/Sync). Check the Specs:
Properly sizing your FortiGate VM in Azure is crucial to ensure optimal performance, security, and cost-effectiveness. By considering factors such as network traffic volume, network speed, security features, concurrent connections, and throughput requirements, you can choose the right Azure VM size for your FortiGate deployment. Follow the guidelines and best practices outlined in this article to ensure a successful FortiGate VM deployment in Azure.
Resizing an Azure FortiGate VM instance - Fortinet Community fortigate vm sizing azure
Most Azure FortiGate deployments use via an Azure Load Balancer (Standard SKU). The sizing rule is simple:
Azure Marketplace offers (hourly) or BYOL (bring your own license).
: Azure limits the number of interfaces per VM. A VM-02 license only uses 2 vCPUs, but you might need a larger Azure instance (like Standard_D4s_v5 ) just to get more NICs for separate DMZs or subnets. Fix: Use Ultra SSD (with 5,000+ IOPS) or
These are the "Compute Optimized" favorites. They offer the best bang-for-buck for high-performance security processing. D-Series (D4s_v5):
This guide is based on FortiOS 7.x and Azure public cloud. For critical deployments, perform your own POC with your actual traffic mix.
Do not guess. Follow this quantitative approach. By considering factors such as network traffic volume,
| VM Size | Firewall Only | IPsec (AES-256) | SSL Inspection | IPS + AV | |---------|--------------|----------------|----------------|-----------| | F2s v2 | ~200 Mbps | ~100 Mbps | ~50 Mbps | ~40 Mbps | | F4s v2 | ~500 Mbps | ~250 Mbps | ~120 Mbps | ~100 Mbps | | F8s v2 | ~1 Gbps | ~500 Mbps | ~300 Mbps | ~250 Mbps | | F16s v2 | ~2 Gbps | ~1 Gbps | ~600 Mbps | ~500 Mbps | | F32s v2 | ~4 Gbps | ~2 Gbps | ~1.2 Gbps | ~1 Gbps |
To ensure a successful FortiGate VM deployment in Azure, follow these best practices:
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