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In Your client machine(LAN)you have to run : nc -u -l 2399 
From external WAN machine run nc -u 192.168.2.30 2399, while client machine(LAN)run https service(In browser https://www.google.com)

Iperf

DM : 

dmcli eRT addtable Device.NAT.X_CISCO_COM_PortTriggers.Trigger.
dmcli eRT setv Device.NAT.X_CISCO_COM_PortTriggers.Trigger.1.Description string iperf
dmcli eRT setv Device.NAT.X_CISCO_COM_PortTriggers.Trigger.1.TriggerProtocol string TCP
dmcli eRT setv Device.NAT.X_CISCO_COM_PortTriggers.Trigger.1.TriggerPortStart uint 443
dmcli eRT setv Device.NAT.X_CISCO_COM_PortTriggers.Trigger.1.TriggerPortEnd uint 443
dmcli eRT setv Device.NAT.X_CISCO_COM_PortTriggers.Trigger.1.ForwardPortStart uint 5001 
dmcli eRT setv Device.NAT.X_CISCO_COM_PortTriggers.Trigger.1.ForwardPortEnd uint 5001

WEB GUI: 

Step 1: Login to webui, from navigation -> Advanced ->Port Triggering. Click on Add Port Trigger (Configure Trigger port as 443:443 and Target port as 5001:5001)

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Step2: In Your client machine (LAN)you have to run: iperf -s -B 10.0.0.106 -i 1 -p 5001 (10.0.0.106 - LAN IP)

Image RemovedImage RemovedImage Added

Step3: In the WAN machine run  iperf -c 192.168.161.216 -p 5001 -i  1 -t 60 -B 192.168.160.173 (192.168.161.216 - router uplink ip address, 192.168.160.173 - WAN PC Ip) same time in the client machine (LAN)run https service (In browser https://www.google.com)

Supported devices

RaspberryPi 

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