Multiple NTP and DNS server requirement

Forum|Forum|5 months ago
March 5, 2026
2 replies
234 views

Hi,

I am currently migrating multiple Cisco ASA firewall to a single FortiGate (HA setup). I extracted multiple NTP server and DNS server, and all of them are requirement of the client for auditing.

How can I configure this servers on the FortiGate?

fabs-net

Explorer III

If I understand this correct, the ASAs are using multiple DNS/NTP Servers and you want to migrate this setup to the FortiGate.
My first thought is to do it via VDOMs, so you build the same logic from each ASA to one VDOM on the FortiGate - there you can set defined DNS & NTP servers for each setup.
The backside is that you have multiple "virtual" FortiGates then to manage.

Hope this helps.

Every packet has a journey.

LB28Author

Visitor III

How about we set aside the multiple VDOM setup, if the customer want it in a single domain setup?

For NTP, I set type custom and add all NTP server.

https://community.fortinet.com/t5/FortiGate/Technical-Tip-An-alternate-way-to-sync-the-NTP-server-to-avoid/ta-p/280309

It saved without issue but how to can I mapped it to the addresses per ntp server?

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