Technical Tip: Usage of overlay stickiness in mult...

sfernando · 04-07-2024

Description This article explains how the BGP routes propagate, how different routes are manipulated, and what commands are used in these locations. Scope FortiGate. Solution Below is a basic flow diagram of how BGP route propagation is done: BGP rou...

sfernando · 04-07-2024

Description This article describes a use case demonstrating how BGP local preference and AS path prepending is used on incoming routes and advertised routes, thereby manipulating the routes as required. The following diagram is used as the reference ...

sfernando · 03-03-2024

Description This article describes how to set up an NTP server and NTP client using two FortiGates and how to troubleshoot. Scope FortiGate. Solution In practice, NTP clients will be different vendor devices such as PCs, IP phones, etc. It is not pos...

sfernando · 01-02-2024

Description This article describes that in a complex ADVPN environment with SD-WAN enabled, multiple links are used to make sure the network is up and running at all times. During a failover and in a recovery process from one link to another, the tim...

sfernando · 12-28-2023

Description This article describes the usage of ADVPN stickiness and offers solutions for common problems. The usage of ADVPN has drastically increased over the past few years, especially where multiple overlay tunnels are being used and multiple iss...

sfernando · 03-11-2024

Hi Team, Regarding the last paragraph of the article. Can I know how can the FortiGate cache the DNS record if DNS DB and DNS server is not configured. As per my understanding DNS requests should be directed to the Configured DNS servers with out bei...

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Technical Tip: Understanding BGP route flow and commands used in different locations

Technical Tip: Use case of a Local preference and AS path prepending for route manipulation in BGP

Technical Tip: Setting up an NTP server and an NTP client using two FortiGates

Technical Tip: Timers used for speedup Convergence, Failover and Recovery in ADVPN/SD-WAN setup

Technical Tip: Usage of overlay stickiness in multiple overlay links in an ADVPN/SDWAN setup

Re: Technical Tip: System DNS server setup - 504 DNS lookup error

Technical Tip: Usage of overlay stickiness in mult...

Technical Tip: Timers used for speedup Convergence...

Technical Tip : Different types of Health checks ...

Technical TIP : Different options of configuring ...

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