Technical Tip: How to add multiple NTP servers in ...

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.

Article Id 205393

Description

This article describes how to add multiple NTP servers in FortiGate.

Scope

FortiGate, CLI only.

Solution

In order to add multiple NTP server, this configuration is supported via CLI only.

Use the following configuration:

config system ntp

set ntpsync enable
set type custom
set syncinterval 60

config ntpserver
edit 1
set server "0.europe.pool.ntp.org"
next
    edit 2
      set server "0.north-america.pool.ntp.org"
    next

    edit 3
        set server "0.asia.pool.ntp.org"
    next

end
end

The global limit of NTP server on each FortiGate can be checked via 'print tablesize'.

system.ntp:interface: 0 256 512

As an example on FortiGate-101E, a total of 512 NTP servers can be defined.

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Technical Tip: How to add multiple NTP servers in FortiGate