Please advice FortiGate FortiManager 430 0 The tunnel is an SD-WAN zone, and an SLA health-check is used to monitor the quality of the VPN overlay. As packet loss increases, the number of redundant packets sent can rise accordingly. It is important to keep FEC settings the same on both FortiGate and switch sides, otherwise, ports will not get up due to mismatch. Secure SD-WAN; FortiLAN Cloud . Copyright 2023 Fortinet, Inc. All Rights Reserved. A. Email Login IAM Login. Enable/disable Forward Error Correction for egress IPsec traffic (default = disable). A. FEC is useful to increase speed at which traffic is routed through IPsec tunnels. Does any one know how to build a FortiAnalyzer query for this? FEC is a technique used to control and correct errors in data transmission by sending redundant data across the VPN. As long as the receiver receives a subset of packets in the group (at-least N-1) and the parity packet, up to a single lost packet in the group can be recovered. 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. Email. Jean-Philippe_P. FEC is enabled on vd1-p1, and health-check works on vd1-p1. The mechanism sends out x number of redundant packets for every y number of base packets. This reduces unnecessary bandwidth consumption by FEC. For example how many redundant packets are being sent. This blog post explains how FEC works and describes how leading SD-WAN platforms utilize it to mitigate packet loss. to deliver error-free, well-formed Protocol Data Units (PDUs) to upper layers. FG22E1-2 (port25) # set forward-error-correction ?enable <----- Enable forward error correction (FEC).disable <----- Disable forward error correction (FEC). This article describes how to cover the changes in FEC settings for some FortiGates. The number of base Forward Error Correction packets (1 - 100, default = 20). 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. Copyright 2023 Fortinet, Inc. All Rights Reserved. Which two statements about the debug output are correct? Michael Pruett, CISSP has a wide range of cyber-security and network engineering expertise. 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. Does any one know how to build a FortiAnalyzer query for this? 2. level 1. FEC can be applied only to streams that are sensitive to packet loss. It uses six parameters in IPsec phase1/phase1-interface settings: For every fec-base number of sent packets, the tunnel will send fec-redundant number of redundant packets. Even when the physical layer of a WAN is error-free, some technologies and provisioning practices still lead to packet loss at the network layer. Configure FEC on each VPN interface to lower packet loss ratio by re-transmitting the packets using its backend algorithm. 'Enable' was forked into two options - Reed-Solomon (FEC CL91) and Fire-Code (FEC CL74). 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 via WiFi, 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, PRP handling in NAT mode with virtual wire pair, Virtual switch support for FortiGate 300E series, Failure detection for aggregate and redundant interfaces, Upstream proxy authentication in transparent proxy mode, Agentless NTLM authentication for web proxy, Multiple LDAP servers in Kerberos keytabs and agentless NTLM domain controllers, IP address assignment with relay agent information option, NetFlow on FortiExtender and tunnel interfaces, Enable or disable updating policy routes when link health monitor fails, Add weight setting on each link health monitor server, IPv6 tunnel inherits MTU based on physical interface, Specify an SD-WAN zone in static routes and SD-WAN rules, Passive health-check measurement by internet service and application, Minimum number of links for a rule to take effect, Use MAC addresses in SD-WAN rules and policy routes, SDN dynamic connector addresses in SD-WAN rules, Static application steering with a manual strategy, Dynamic application steering with lowest cost and best quality strategies, DSCP tag-based traffic steering in SD-WAN, ECMP support for the longest match in SD-WAN rule matching, Override quality comparisons in SD-WAN longest match rule matching, Controlling traffic with BGP route mapping and service rules, Applying BGP route-map to multiple BGP neighbors, Hold down time to support SD-WAN service strategies, Speed tests run from the hub to the spokes in dial-up IPsec tunnels, Interface based QoS on individual child tunnels based on speed test results, Configuring SD-WAN in an HA cluster using internal hardware switches, Configuring the VPN overlay between the HQ FortiGate and cloud FortiGate-VM, Configuring the VPN overlay between the HQ FortiGate and AWS native VPN gateway, Configuring the VIP to access the remote servers, Configuring the SD-WAN to steer traffic between the overlays, NGFW policy mode application default service, Using extension Internet Service in policy, Allow creation of ISDB objects with regional information, Enabling advanced policy options in the GUI, Recognize anycast addresses in geo-IP blocking, Matching GeoIP by registered and physical location, HTTP to HTTPS redirect for load balancing, Use Active Directory objects directly in policies, FortiGate Cloud / FDNcommunication through an explicit proxy, Seven-day rolling counter for policy hit counters, Cisco Security Group Tag as policy matching criteria, ClearPass integration for dynamic address objects, Group address objects synchronized from FortiManager, Using wildcard FQDN addresses in firewall policies, IPv6 MAC addresses and usage in firewall policies, Traffic shaping with queuing using a traffic shaping profile, Changing traffic shaper bandwidth unit of measurement, Multi-stage DSCP marking and class ID in traffic shapers, Interface-based traffic shaping with NP acceleration, QoS assignment and rate limiting for FortiSwitch quarantined VLANs, Establish device identity and trust context with FortiClient EMS, ZTNA HTTPS access proxy with basic authentication example, ZTNA TCP forwarding access proxy without encryption example, ZTNA proxy access with SAML authentication example, ZTNA access proxy with SAML and MFA using FortiAuthenticator example, Posture check verification for active ZTNA proxy session examples, Migrating from SSL VPN to ZTNA HTTPS access proxy, FortiAI inline blocking and integration with an AV profile, FortiGuard category-based DNS domain filtering, Applying DNS filter to FortiGate DNS server, Excluding signatures in application control profiles, SSL-based application detection over decrypted traffic in a sandwich topology, Matching multiple parameters on application control signatures, Protecting a server running web applications, Handling SSL offloaded traffic from an external decryption device, Redirect to WAD after handshake completion, HTTP/2 support in proxy mode SSL inspection, Define multiple certificates in an SSL profile in replace mode, Application groups in traffic shaping policies, Blocking applications with custom signatures, Blocking unwanted IKE negotiations and ESP packets with a local-in policy, Basic site-to-site VPN with pre-shared key, Site-to-site VPN with digital certificate, Site-to-site VPN with overlapping subnets, IKEv2 IPsec site-to-site VPN to an AWS VPN gateway, IPsec VPN to Azure with virtual network gateway, IPSec VPN between a FortiGate and a Cisco ASA with multiple subnets, Add FortiToken multi-factor authentication, Dialup IPsec VPN with certificate authentication, OSPF with IPsec VPN for network redundancy, IPsec aggregate for redundancy and traffic load-balancing, Packet distribution for aggregate dial-up IPsec tunnels, Per packet distribution and tunnel aggregation, Weighted round robin for IPsec aggregate tunnels, Hub-spoke OCVPN with inter-overlay source NAT, IPsec VPN wizard hub-and-spoke ADVPN support, Fragmenting IP packets before IPsec encapsulation, VXLAN over IPsec tunnel with virtual wire pair, VXLAN over IPsec using a VXLAN tunnel endpoint, Defining gateway IP addresses in IPsec with mode-config and DHCP, Set up FortiToken multi-factor authentication, Connecting from FortiClient with FortiToken, SSL VPN with LDAP-integrated certificate authentication, SSL VPN for remote users with MFA and user sensitivity, SSL VPN with FortiToken mobile push authentication, SSL VPN with RADIUS on FortiAuthenticator, SSL VPN with RADIUS and FortiToken mobile push on FortiAuthenticator, SSL VPN with RADIUS password renew on FortiAuthenticator, Dynamic address support for SSL VPN policies, Dual stack IPv4 and IPv6 support for SSL VPN, Disable the clipboard in SSL VPN web mode RDP connections, Running a file system check automatically, FortiGuard distribution of updated Apple certificates, Integrate user information from EMS and Exchange connectors in the user store, Enabling Active Directory recursive search, Configuring LDAP dial-in using a member attribute, Configuring least privileges for LDAP admin account authentication in Active Directory, Tracking users in each Active Directory LDAP group, Restricting RADIUS user groups to match selective users on the RADIUS server, Support for Okta RADIUS attributes filter-Id and class, Sending multiple RADIUS attribute values in a single RADIUS Access-Request, Traffic shaping based on dynamic RADIUS VSAs, Outbound firewall authentication for a SAML user, Using a browser as an external user-agent for SAML authentication in an SSL VPN connection, Outbound firewall authentication with Azure AD as a SAML IdP, Activating FortiToken Mobile on a mobile phone, Configuring the maximum log in attempts and lockout period, FSSO polling connector agent installation, Configuring the FSSO timeout when the collector agent connection fails, Associating a FortiToken to an administrator account, FortiGate administrator log in using FortiCloud single sign-on, Downgrading to a previous firmware version, Setting the administrator password retries and lockout time, Controlling return path with auxiliary session, Out-of-band management with reserved management interfaces, HA between remote sites over managed FortiSwitches, HA using a hardware switch to replace a physical switch, Override FortiAnalyzer and syslog server settings, Routing NetFlow data over the HA management interface, Force HA failover for testing and demonstrations, Resume IPS scanning of ICCP traffic after HA failover, Querying autoscale clusters for FortiGate VM, Synchronizing sessions between FGCP clusters, Session synchronization interfaces in FGSP, UTM inspection on asymmetric traffic in FGSP, UTM inspection on asymmetric traffic on L3, Encryption for L3 on asymmetric traffic in FGSP, FGSP four-member session synchronization and redundancy, Layer 3 unicast standalone configuration synchronization, SNMP traps and query for monitoring DHCP pool, FortiGuard anycast and third-party SSL validation, Using FortiManager as a local FortiGuard server, FortiAP query to FortiGuard IoT service to determine device details, Procuring and importing a signed SSL certificate, FortiGate encryption algorithm cipher suites, Configuring the root FortiGate and downstream FortiGates, Configuring other Security Fabric devices, Deploying the Security Fabric in a multi-VDOM environment, Synchronizing objects across the Security Fabric, Leveraging LLDP to simplify Security Fabric negotiation, Configuring the Security Fabric with SAML, Configuring single-sign-on in the Security Fabric, Configuring the root FortiGate as the IdP, Configuring a downstream FortiGate as an SP, Verifying the single-sign-on configuration, Navigating between Security Fabric members with SSO, Integrating FortiAnalyzer management using SAML SSO, Integrating FortiManager management using SAML SSO, Execute a CLI script based on CPU and memory thresholds, Getting started with public and private SDN connectors, Azure SDN connector using service principal, Cisco ACI SDN connector using a standalone connector, ClearPass endpoint connector via FortiManager, AliCloud Kubernetes SDN connector using access key, AWS Kubernetes (EKS)SDNconnector using access key, Azure Kubernetes (AKS)SDNconnector using client secret, GCP Kubernetes (GKE)SDNconnector using service account, Oracle Kubernetes (OKE) SDNconnector using certificates, Private cloud K8s SDNconnector using secret token, Nuage SDN connector using server credentials, Nutanix SDN connector using server credentials, OpenStack SDN connector using node credentials, VMware ESXi SDNconnector using server credentials, VMware NSX-T Manager SDNconnector using NSX-T Manager credentials, Support for wildcard SDN connectors in filter configurations, Monitoring the Security Fabric using FortiExplorer for Apple TV, Adding the root FortiGate to FortiExplorer for Apple TV, Viewing a summary of all connected FortiGates in a Security Fabric, Log buffer on FortiGates with an SSD disk, Supported log types to FortiAnalyzer, FortiAnalyzer Cloud, FortiGate Cloud, and syslog, Sending traffic logs to FortiAnalyzer Cloud, Configuring multiple FortiAnalyzers on a FortiGate in multi-VDOM mode, Configuring multiple FortiAnalyzers (or syslog servers) per VDOM, Logging the signal-to-noise ratio and signal strength per client, RSSO information for authenticated destination users in logs, Configuring and debugging the free-style filter, Backing up log files or dumping log messages, PFand VFSR-IOV driver and virtual SPU support, FIPS cipher mode for AWS, Azure, OCI, and GCP FortiGate-VMs, Troubleshooting CPU and network resources, Verifying routing table contents in NAT mode, Verifying the correct route is being used, Verifying the correct firewall policy is being used, Checking the bridging information in transparent mode, Performing a sniffer trace (CLI and packet capture), Displaying detail Hardware NIC information, Identifying the XAUI link used for a specific traffic stream, Troubleshooting process for FortiGuard updates. B. Edited By 1100E, 2200E, 3300E, 3400E, 3960E, 3980E models. The mechanism sends out x number of redundant packets for every y number of base packets. This means that all traffic suffers a performance impact. FortiGate is not performing traffic shaping as expected, based on the policies shown in the exhibits. ECE2305: Forward Error Correction Basics Error Detection vs. B. FEC transmits the original payload Which statement is correct about the SD-WAN and ADVPN? This topic shows an SD-WAN with forward error correction (FEC) on VPN overlay networks. Copyright 2023 Fortinet, Inc. All Rights Reserved. For Example, policies that allow the UDP based VoIP protocol can enable FEC, while TCP based traffic policies do not. It is important to keep FEC settings the same on both FortiGate and switch sides, otherwise, ports will not get up due to mismatch. 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. Edited on The sender adds parts of the data again. In this example, a FortiSwitch 3032E that is managed by the FortiGate device is configured with Clause 74 FC-FEC on port 16.1 and Clause 91 RS-FEC on port 8.
