SXR30 Port Issues

[Bighardyfamily]

I have got a SXr30 Orbi Pro working perfectly - in full router mode with a draytek providing the internet connection. I can open ports (have RDP working perfectly) but my kids want a minecraft server and i need to open port 19132, and it adds the item but i cant seem to get the port to open (port checker reports closed).

Any idea would be greatly appreciated. 

I can confirm no double nat but a net trace (1st hop is local and second is an external ip) 

[plemans]

What draytek is it? Many have their own integrated router functions and cause a double nat. 

This can create port issues. 

[plemans]

did you try putting the netgears ip address into the draytek's dmz

[schumaku]

So we understand NAT is done on the SXR30, the SXR30 WAN/Internet port done hold the public IP address, and the port forwarding for RTP is also done on the SXR30 pointing to a select PC/computer LAN IP

Unclear to my what function the Draytek dose play, and how it's configured for this data path. Is there a small public IP subnet available? 

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@Bighardyfamily wrote:

I can confirm no double nat but a net trace (1st hop is local and second is an external ip) 

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This is a tracert from one of the Orbi Pro LAN IP subnet