Forward error connection is not supported for interfaces in FortiGates with NP7 processors operating at any other speeds. Refer to the exhibit. This article describes how to cover the changes in FEC settings for some FortiGates. On FortiGate A, create a policy to specify performing FEC on UDP traffic, and a policy for other traffic: On FortiGate A, configure FEC mapping to bind network SLA metrics and FEC base and redundant packets: The mappings are matched from top to bottom: packet loss greater than 10% with eight base and two redundant packets, and then uploading bandwidth greater than 950 Mbps with nine base and three redundant packets. For Example, policies that allow the UDP based VoIP protocol can enable FEC, while TCP based traffic policies do not. (Choose two.) Which two reasons make forward error correction (FEC) ideal to enable in a phase one VPN interface? It is important to keep FEC settings the same on both FortiGate and switch sides, otherwise, ports will not get up due to mismatch. On FortiGate A, apply the FEC mappings on vd1-p1: The FEC base and redundant values are used when the link quality has not exceeded the limits specified in the FEC profile mapping. Because FEC does not support NPU offloading, the ability to specify streams and policies that do not require FEC allows those traffic to be offloaded. The mechanism sends out x number of redundant packets for every y number of base packets. Using these two connections, create two IPsec VPN interfaces as SD-WAN members. Forward Error Correction (FEC) is a mechanism to recover lost packets on a link by sending extra "parity" packets for every group (N) of packets. FortiGate Cloud; Enterprise Networking. Fortinet Community Knowledge Base FortiGate Adaptive FEC considers link conditions and dynamically adjusts the FEC packet ratio: The FEC base and redundant packet relationship is dynamically adjusted based on changes to the network SLA metrics defined in the SD-WAN SLA health checks. SD-WAN and Forward Error Correction: Mitigating Packet Loss SD-WAN improves the performance and reliability of IP networks, and one of the techniques it employs is Forward Error Correction (FEC). 11-30-2022 After each install, I need to connect to the FortiGate and add "set forward error correction disabled" to both of the ports, and the comm restores. Edited on The DMZ interface and IPsec tunnel vd1-p1 are SD-WAN members. Forward Error Correction (FEC) is used to control and correct errors in data transmission by sending redundant data across the VPN in anticipation of dropped packets occurring during transit. FortiGate / FortiOS; FortiGate 5000; FortiGate 6000; FortiGate 7000; FortiProxy; NOC & SOC Management Does any one know how to build a FortiAnalyzer query for this? For every fec-base number of sent packets, the tunnel will send fec-redundant number of redundant packets. FortiAnalyzer FortiGate 74 0 Share Reply All forum topics Previous Topic Next Topic Six new parameters are added to the IPsec phase1-interface settings: Enable/disable Forward Error Correction for ingress IPsec traffic (default = disable). The tunnel is an SD-WAN zone, and an SLA health-check is used to monitor the quality of the VPN overlay. The number of base Forward Error Correction packets (1 - 100, default = 20). For example, when there is no or low packet loss in the network, FEC can work on a low redundant level sending only one redundant packet for every 10 base packets. This technique is known as the Forward Error Correction technique. I've implemented FEC (and 6.2) to fix voice quality issues, worked brilliantly but came at a cost. FortiOS 7.0.4 and up, FortiOS 7.2.0 and up. 11-29-2022 Technical Tip: Forward Error Correction (FEC) - Fortinet Community FortiGate FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic. This reduces unnecessary bandwidth consumption by FEC. An FEC profile is configured to adaptively increase redundant levels if the link quality exceeds a 10% packet loss threshold, or the bandwidth exceeds 950 Mbps. Forward error correction In telecommunications Forward error correction (FEC) is a special code for error detection and correction. 01:43 AM, The Fortinet Security Fabric brings together the concepts of convergence and consolidation to provide comprehensive cybersecurity protection for all users, devices, and applications and across all network edges.. A. If fec-codec is set to xor the base and redundant packet values will not be updated. Question 1. I would like to see that is actually is working. (Choose two ) A The debug output shows per-IP shaper values and real-time readings. If your FortiGate is NPU capable, disable npu-offload in your phase1 configurations: For example, a customer has two ISP connections, wan1 and wan2. Copyright 2023 Fortinet, Inc. All Rights Reserved. By default, this setting has the 'cl91-rs-fec' function enabled. FEC can be applied only to streams that are sensitive to packet loss. Fortinet Public company Business Business, Economics, and Finance. Forward Error Correction (FEC) is used to control and correct errors in data transmission by sending redundant data across the VPN in anticipation of dropped packets occurring during transit. On FortiGate A, check the health-check result and the corresponding FEC base and redundant packets: Because bandwidth-up is more than 950000kbps, base and redundant are set to 9 and 3: Make packet loss more than 10%, then check the health-check result and the corresponding FEC base and redundant packets again: Because packet loss is more than 10%, entry one in FEC mapping is first matched, and base and redundant are set to 8 and 2: Connecting FortiExplorer to a FortiGate with WiFi, Configure FortiGate with FortiExplorer using BLE, Transfer a device to another FortiCloud account, Viewing device dashboards in the Security Fabric, Creating a fabric system and license dashboard, Viewing session information for a compromised host, FortiView Top Source and Top Destination Firewall Objects monitors, Viewing top websites and sources by category, Enhanced hashing for LAG member selection, Failure detection for aggregate and redundant interfaces, PRP handling in NAT mode with virtual wire pair, 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