I finally resolved this issue I have been having since Oct 2018.I had been putting one static IP on each WAN Interface. (Different blocks from different ISPs for Failover).Everything worked fine as long as I used Port Forwarding to a server and used ...

Was this resolved? What was the answer? I run into this when I setup 1 to 1 NAT.2 ISPs with Static IP Addresses.No Static Nat = no issues.Static NAT = issue. It's intermittent and lasts about 45 seconds for 3-4 times a day.

Check ICMP state on RV340 and Windows Firewall config.Allow inbound and outbound for ping test.

WAN, Hardware DMZ Range (DMZ &WAN within Same Subnet) IP range Static IP 10.10.10.10 to 10.10.10.10Substitute for your Static IPFirewall DMZ Host Enable enter static IPMake sure the IP address is not port mapped, port forwarded, port triggered, or in...

Problem solved. The DMZ configuration should be the static IP provided by your ISP. On the Server/PC and the Router.