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.
bkarl
Staff
Staff
Article Id 311986
Description This article compares the link health monitor actions and mention a description all of them.
Scope FortiGate.
Solution

Action

Dead

Alive

Effect during dead state

Update static route

Flag associated static routes as inactive.

Flag associates static routes as active.

Static routes are removed from the routing table.

Update policy route

Disable associated policy.

Re-enable associated policy routes.

Policy routes are skipped.

Update cascade interface

Bring down alert interfaces.

Bring backup alert interfaces.

Route LAN-originated traffic to a different device.

 

  • Associated static routes match the configured Gateway and interface in the link health monitor settings.
  • Associated policy routes match the configured Gateway and interface in the link health monitor settings.
  • Require the configuration of alert interfaces (usually, the LAN-facing interfaces).

To understand link-monitor behavior, read the following KB article:

Link-Monitor-Explanation 

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