[App_rpt-users] Wireless ISP help

David McGough kb4fxc at inttek.net
Mon Jul 11 00:25:05 EDT 2016


You seem to be behind a NAT firewall, since you don't have a public IP 
address.  This is a standard configuration used these days by many 

Either you've got to convince the ISP to setup port forwarding (UDP port 
4569) to your private IP, or, you could tunnel out using a VPN (or 
unencrypted IPIP/GRE) tunnel to a site where you do have a live IP address 
and forward ports from there.

73, David KB4FXC

On Sun, 10 Jul 2016, Skyler F wrote:

> We are getting internet from a microwave link wireless ISP on a
> mountiantop. According to Mountain Broadband, ports are not blocked, and
> they don't have a firewall.
> However, when I plug my computer or router into the jack, I am
> automatically assigned a 10.1.50.x address. Why is this happening? I never
> requested an IP manually, it assigned me a DHCP IP.
> Inbound ports are all blocked to my router behind the DHCP IP address when
> I try to login under the public IP.
> However... the mountaintop site has a static Public IP that is unique to
> itself.
> Can someone explain how this works, and what information I need exactly to
> get inbound port forwarding to work to my mikrotik router from whatever
> Mountain Broadband has behind it ?
> 73
> Skyler

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