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3 posts

Wannabe Geek

#277205 1-Oct-2020 17:53
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hi when i had adsl i used this form or amateur radio to connect to the world and other amateurs.


Basically one connects a radio to a computer running  a linx program  the linc computor is ethernetted to a adsl modem that has



  • 2074 through 2093 UDP - IRLP Audio (bi-directional UDP)

         15425, 15426, 15427 IRLP Control/Update Ports - TCP


all open.. 


when i went to 4g network. The spark Huawai B619s 4G modem would not allow ports   to be opened as per the above ranges.


I am now getting fibre installed   and the Modem is  Spark VRV95174WAC 


The question does any one know if this modem will allow ports for UDP and TCP to be opened


Awaiting any responses 




John ZL4QS

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  #2577400 1-Oct-2020 18:22
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Should do, problem with cellular connections is that they use CG-NAT so not possible to forward ports. Spark do however offer a static IP solution over certain 4G fixed wireless plans.

Spark FibreMAX using Mikrotik CCR1009-8G-1S-1S+. UAP, UAP AC Pro, UAP AC Pro Mesh, Apple TV 4, Apple TV 4K, iPad Air 1, iPhone XR, VodaTV Gen 2. If it doesn't move then it's data cabled.

3 posts

Wannabe Geek

  #2577426 1-Oct-2020 19:48
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IRLP has a VPN service built in for situations like this.

It works on IRLP nodes based on Debian 6 or later, although Debian 9 or 10 based nodes have most of the VPN files already included and are easier to implement.
You node also needs to be up and running, at least to the point where it can talk to the IRLP servers, even if you can't get a IRLP connection back to talk over.


There is a IRLP support group on  - search for IRLP if you'd like generalised help

Alternatively, go to youtube, and search for IRLPhelp
There is a video titled "IRLP - Obtaining, receiving, and installing an IRLP VPN certificate" which gives you info about what the IRLP VPN does, and how to install it.


For me, it took longer to read the notes than to actually install it.

Looking at the status page for node 6642, it appears to have been offline for 996 days or so, so you might like to contact installs  first for help to get it up and running, before trying to add the VPN service to sidestep the lack of port forwarding ability of the 4G service.
First try connecting it up to your internet router, and log in to the node, then run 'update files' to retrieve any updates (without the quote marks), and then perhaps 'troubleshoot-irlp' and that should hopefully yield some clues as to what is stopping your node from working correctly. (Hopefully only the port forwarding issues)






Node 6950, 6611







3 posts

Wannabe Geek

  #2577461 1-Oct-2020 20:42
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Hi all and thanks for the prompt replies and Ian ZL1VFO nice to meet you.  My node has been off air eversince I went the 4 G way. Finally have now got a confirmed date of 12 Oct and chorus techs are installing my fibre connection.   Once that is up and running then IRLP here we come so may need help from you to get going


Once again many thanks for all replies


73's John ZL4QS

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Wannabe Geek

  #2577834 2-Oct-2020 10:19
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Well once you get fibre in you it should hopefully make it easier to run an IRLP node. I can't find any mention of the VRV95174WAC via google - it may be known under a differnt model number.  One might need to poke around all the menus in it to find how to open a select range of ports. If you can't open any ports, then using the IRLP VPN will give the node its own 44.136.xx.xx outside ip address, and you won't need to worry about pinholing the modem.


73 de Ian ZL1VFO

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  #2577856 2-Oct-2020 11:18
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on fibre you will be good to go.


Your alternative option with wireless would have been to grab a static ip, this would have also allowed forwarding :)

#include <std_disclaimer>


Any comments made are personal opinion and do not reflect directly on the position my current or past employers may have.



3 posts

Wannabe Geek

  #2578829 4-Oct-2020 09:41
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Hi Ian 


my modem has arrived and it is a spark smart modem arcadyan vr9517.


I have done  a little research on it and I think it will open the ports required for irlp




fingers crossed






de John ZL4QS



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