Separate DNS for SdWan members

[Sachinsiwakoti]

Hi all,

I have a configuration request from one of my client . They have 2 isps wan on their Fortigate soo they need to use separate dns for they wan link. And also they have different vlan created on lan interface and half are routed through isp1 anf half are routed through isp2 so now they need to Use separate Dns for they lan traffic passing through both isp link so how can i configure that ??? Please help 

[hjezzapaula · Accepted solution]

Hi,

Provided that you already have a separate sdwan rule for route manipulation of the vlan links on which wan they prefer, you may configure the vlan interface specific dns on the lan dhcp settings.
see: https://community.fortinet.com/t5/FortiGate/Technical-Tip-DHCP-Secondary-DNS-server-Option/ta-p/2043...
Thanks.

[hjezzapaula · Accepted solution]

Hi,

Provided that you already have a separate sdwan rule for route manipulation of the vlan links on which wan they prefer, you may configure the vlan interface specific dns on the lan dhcp settings.
see: https://community.fortinet.com/t5/FortiGate/Technical-Tip-DHCP-Secondary-DNS-server-Option/ta-p/2043...
Thanks.

[Sachinsiwakoti · Accepted solution]

Dear hjezzapaula,

Thank you so much for your information