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FTD DNS resolution FMC managed multi-instance

glsparks
Level 1
Level 1

Trying to get a FTD to resolve a FQDN/IP.

I've configured the FTD with a FMC Threat Defense policy which points to intenal DNS server group.

The Enable DNS Lookup via diagnostic/Management interface also is configured.

No data interfaces are selected to use DNS.

Policy attached to the device.

CLI reports DNS servers on the management interface.

However no FQDNs are being resolved though I see DNS queries going out.

Have i missed something?

1 Reply 1

did you configure the DNS servers when setting up the FTDs initially?  issue the command "show network" to see which DNS servers are configured.

Also, where are the DNS servers located?  Is DNS allowed from the management interface IP to the DNS servers?

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