Created on 10-21-2009 05:45 AM Edited on 09-29-2025 07:35 AM By Stephen_G
Description
This article provides a list of most popular articles related to FortiOS Routing.
Scope
All products.
Solution
Technical Tip: FortiGate IP route selection, and how to change the administrative distance (preferen...Troubleshooting Tip: First steps to troubleshoot connectivity problems through a FortiGate with snif...Details about FortiOS RPF (Reverse Path Forwarding), also called Anti-SpoofingTroubleshooting tips for FortiOS routing (RIP, OSPF, BGP, static routes, ECMP)Technical Tip: Configuring and using a loopback interface on a FortiGateTechnical Tip: FortiGate BFD implementation and examples (Bidirectional Forwarding Detection for OSP...IPv6 Support on the FortiGateTechnical Tip: Differentiated Services Code Point (DSCP) processing through a FortiGate Differentiated Services Code Point (DSCP) behavior through an IPSec tunnel
Technical Tip: Configuring link redundancy - traffic load-balancing - ECMP (Equal Cost Multiple Path...Technical Note: Detecting a link failure using Dead Gateway Detection (ping server) to ensure a link...Configuring Dual Internet Links (Design Considerations)Case Study : ECMP and Asymmetric Routing (different return path) Creating redundant network interfacesECMP - Maximum number of paths and routing issues
Configuring a Default Route (Default Gateway) on a FortiGate in NAT modeTechnical Tip: Conditions to get a route in the FortiGate routing table (valid next-hop for DHCP, PP...Technical Tip: Setting priority on static default routes to create a primary (preferred) and a secon...Technical Tip: Routing behavior depending on distance and priority for static routes, and Policy Bas...
Technical Tip: Policy Based Routing example to redirect HTTP traffic to a ProxyTechnical Tip: Configuration example of Policy Based Routing and VIP for SMTP services in Dual Wan s...Technical Tip: Policy Based Routing example : HTTP/HTTPS redirection. Configuration and troubleshoot...
Technical Tip: OSPF configuration guide for ABR and ASBR settingsTechnical Tip: OSPF route redundancy over 2 VPN IPSec tunnelsTechnical Tip: How to redistribute a default route in OSPF on a FortiGateTechnical Tip: simple OSPF configuration with 2 FortiGates in the same areaTechnical Tip: OSPF route summarization for LSAs Type3 (on ABR) and Type5 (on ASBR)Technical Tip: OSPFv3 (OSPF for IPv6) configuration exampleTechnical Tip: FortiGate OSPF distribute-list-in example to prevent routes from being in the routing...Technical Tip: Configuring OSPF on a GRE tunnel between two FortiGatesTechnical Tip: Understanding Graceful restart and non-stop forwarding for OSPF in FortiGate HA
Technical Tip: How to enable RIP on FortiGate interfacesTechnical Tip: Advertising only a Default Route in RIP with prefix-list and distribute-listWhat is the RIP setting Enable Default-information-originate?RIPnG (RIP IPv6) configuration exampleRIP ver. 2.0 authenticationHow to advertise an Aggregate Route in RIP on a FortiGateTechnical Tip: FortiGate prefix-list example to advertise in RIP only a default route and drop all r...
Technical Tip: BGP configuration example to prevent a FortiGate from redistributing BGP routes learn... Technical Tip: BGP configuration example to prevent a FortiGate from redistributing any BGP routes ...Technical Note: Configuring BGP on a FortiGate with single-homed eBGP peering, iBGP peering, access-...Technical Tip: Static NAT VIP accessible from 2 external interfaces with E-BGP peeringsTechnical Tip: How to implement BGP route summary (aggregation) on a FortiGateTechnical Tip: FortiGate example to announce routes in BGP and accept only a BGP default route (pref...Technical Tip: BGP dual-home example - solution to avoid RPF problem in asymetric routing scenarioTechnical Tip: BGP recursive resolution not possible via another BGP route
Technical Tip: Understanding Graceful restart and non-stop forwarding for BGP in FortiGate HA
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