If a roaming client is unable to connect to DNSFilter's DNS server, I'd like to be able to change the default behavior to use the local DNS server instead and switch to DNSFilter once a connection is finally made. We've been seeing devices that have multiple WAN connections enabled (laptop with WiFi on, connected to Dock with Ethernet), the roaming client going offline and DNS is not working. Restarting the DNSFilter Client service fixes, but a user shouldn't have to do this. In my environment, I'd rather have unfiltered DNS than no DNS.