Author Topic: SCR Port = DST Port  (Read 9698 times)

DM1CG

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SCR Port = DST Port
« on: 2013-02-25, 11:41:28 »
hy Guys

I tested RRC micro 1.6.4 at home and I get some timeout.
DNS IP resolve is right and OK.

RRC Micro start the SIP Communication on Port 11060 to the Source Port 11060.

For NAT the destination port and source prot have to be different - or not ?

best 73 de Carsten


dj0qn

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Re: SCR Port = DST Port
« Reply #1 on: 2013-02-25, 12:23:26 »
Cartsen,

The ports should be the same. It looks like a port forwarding problem on the radio's router.

73,
Mitch DJ0QN / K7DX

DM1CG

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Re: SCR Port = DST Port
« Reply #2 on: 2013-02-25, 13:06:17 »
Hello Mitch

If that is right , I never have a change to be QRV from a hotel or so where I havent access to the NAT Route - to forwarding the ports. NAT is only possible if SCR und DST port are different.


In my understanding TCP/IP do :
MY PC SCR Port xxxx - > MY station IP Port 11060
My station answer on Port 11060 -> my PC Port xxxx

Then NAT is possible.

If Scr Port and Dst Port are the same - NAT is normally not possible

My WEB interface is on 12380 at RRC Unit side.

If i start the browser an sniff the network traffic I saw :
my browser open PORT 50889 -> WEB Interface RRC 12380
Webinterface 12380 -> my browser 50889

Best 73 de Carsten


 
 

dj0qn

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Re: SCR Port = DST Port
« Reply #3 on: 2013-02-25, 13:10:33 »
Carsten,

You never need access to the router where you travel, only where the radio sits. As long
as the ports are not blocked, you only need to free these three UDP ports on the radio's
router to use the RRC on the radio end.

The RRC will handle the in and out SIP ports automatically, don't get confused about these
in and out message on the status.

73,
Mitch DJ0QN / K7DX

themoneymaker99

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Re: SCR Port = DST Port
« Reply #4 on: 2013-04-29, 15:28:36 »
I get a delay here too but I think i fixed that..