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Weekly Wrap-Up, February 2, 2024
by Rebecca Key 02 Feb '24

02 Feb '24

Hey Everyone, Check out the latest information from ARDC posted this week: * Blog post welcoming Bob Witte, K0NR, to ARDC's Board of Directors is live: https://www.ardc.net/bob-witte-k0nr-joins-ardcs-board-of-directors/ * Blog post announcing our 2024 Advisory Committees is also live: https://www.ardc.net/ardc-welcomes-new-committee-members-for-2024/ * Yesterday, Board Member Phil Karn, KA9Q, spoke at the NTIA Spectrum Policy Symposium: https://www.youtube.com/watch?v=NaaFb6Sh61E&t=21394s <https://www.youtube.com/watch?v=NaaFb6Sh61E&t=21394s> * ARDC will be at Orlando HamCation happening from Feb. 9 - 11. If you're at the event, stop by our table and say hello. Also, be sure to attend our Forum (Friday, 2/9, 3:30pm ET), where John Hays (K7VE) will be presenting /New Adventures using TCP/IP on 44Net (AMPRNet) and an ARDC Update/. * Be sure to check out theJanuary 2024 Newsletter which came out earlier this week: https://www.ardc.net/?na=view&id=64 Have a great weekend and 73, Rebecca KO4KVG -- Rebecca Key - KO4KVG Communicaions Manager Amateur Radio Digital Communications (ARDC) ardc.net

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suggested update to page https://wiki.ampr.org/wiki/Encap.txt
by Andreas Ott 01 Feb '24

01 Feb '24

Somehow the output of the API call must have changed over time. It now includes a count value before the encap array data, which will lead to an error when processing it with jq. Please update wiki the page with a different jq filter, c.f. how I fixed the script on our system. I am ignoring the count value. root@host:~# diff -U1 get-encap.sh-orig get-encap.sh --- get-encap.sh-orig 2024-02-01 11:24:31.725642496 -0800 +++ get-encap.sh 2024-02-01 11:24:53.421227002 -0800 @@ -24,3 +24,3 @@ curl -s https://user:key@portal.ampr.org/api/v1/encap > json-data.out -cat json-data.out | jq -r '.[] | "route addprivate \(.network)/\(.maskLength) encap \(.gatewayIP)"' >> encap.txt +cat json-data.out | jq -r '.encap[] | "route addprivate \(.network)/\(.maskLength) encap \(.gatewayIP)"' >> encap.txt root@host:~# Thanks, andreas K6OTT

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Blog Posts Announcing our New Board member and our 2024 Advisory Committees
by Rebecca Key 31 Jan '24

31 Jan '24

Hey Everyone, * Please join us in welcoming Bob Witte, K0NR, to ARDC's Board of Directors! To learn more about Bob, check out our recent blog post: https://www.ardc.net/bob-witte-k0nr-joins-ardcs-board-of-directors/ * The blog post announcing ARDC's 2024 Advisory Committee Members is also live: check it out to learn more about our new members and see who's continuing with us this year: https://www.ardc.net/ardc-welcomes-new-committee-members-for-2024/ Have a great week and 73, Rebecca KO4KVG -- Rebecca Key - KO4KVG Communicaions Manager Amateur Radio Digital Communications (ARDC) ardc.net

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ARDC to be at Orlando HamCation, Feb. 9 - 11
by Rebecca Key 26 Jan '24

26 Jan '24

Hey Everyone, ARDC will be atOrlando HamCation happening from Feb. 9 - 11. If you're at the event, stop by our table and say hello. Also, be sure to attend our Forum (Friday, 2/9, 3:30pm ET), where John Hays (K7VE) will be presenting/New Adventures using TCP/IP on 44Net (AMPRNet) and an ARDC Update/. Have a great weekend and 73, Rebecca KO4KVG -- Rebecca Key - KO4KVG Communicaions Manager Amateur Radio Digital Communications (ARDC) ardc.net

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RIP Packet Issue
by Lee D Bengston 22 Jan '24

22 Jan '24

Hello to those the list, I have a VPN server running on a VPS (OpenVPN Access Server). I also have the packet software XRouter (a.k.a. XRLin) running on the VPS. Normally it can get the routes from the amprnet RIP broadcasts. The VPN server uses a tunnel to send packets to my client. In the server to client direction it takes packets from the internet addressed to the static WAN address and changes the destination address to the client's VPN address - pretty standard stuff. The dnat results in the traffic being routed to the VPN tunnel. The OpenVPN Access Server writes rules to NFTables in order to handle the forwarding, dnat, etc. XRouter is set up with its own tunnel - somewhat similar to JNOS. I have added rules in NFTables to forward all transport protocol 4/encap packets to the XRouter tunnel. Included is a rule to dnat to Xrouter's address which is on the Xrouter side of the P2P tunnel. This setup is working for all encap packets EXCEPT the RIP packets. Checking things with TCPdump, the RIP packets are being dnat'd to the VPN tunnel address instead of the XRouter tunnel. I can't find any rules added by the OpenVPN server that are matching any encap traffic, so I'm baffled as to why they are not matched by my rules and also how they are matched by the VPN rules. That said, the VPN Access server creates a very confusing set of NTFable rules jumping all over the place though different chains, so it's possible that they lost me. However I asked a question on their forum a while back about support for protocol 4, and their answer was they don't support it. Is there anything about the RIP "IPIP" packets that is different from other "IPIP" traffic so that they would be handled differently by NFTables? Thanks, Lee K5DAT <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> Virus-free.www.avast.com <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campai…> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

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UCSD tunnel persistence across reboots?
by kc8qba＠wildtky.com 21 Jan '24

21 Jan '24

Hello! I've been working on getting my IPIP mesh gateway set up on Debian & feel like I'm almost there. One thing I’ve noticed is every time I reboot the router, it takes around 45-60 minutes before I can start passing traffic to the public internet again via the ucsd gateway. For example, after rebooting the router, once rip44d has retrieved the routes I can: (a) Ping and curl across tunl0 to n2nov.ampr.org (b) Use yo2tm’s nettools to successfully ping my ampr ip and see that traffic locally via tcpdump But cannot: (c) Ping 8.8.8.8 across tunl0 (via 169.228.34.84) or (d) Curl to ifconfig.me across tunl0 (via 169.228.34.84) However, if I just leave everything running and come back 45-60 minutes later, (c) and (d) work fine with no additional configuration changes and (d) returns the assigned 44net ip address. Just curious if the above is an expected behavior or a sign that I’ve got something misconfigured. -Steve kc8qba

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ARDC at GARS TechFest on January 13
by Rebecca Key 02 Jan '24

02 Jan '24

Happy New Year, Everyone! ARDC will be at the Gwinnett Amateur Radio Society TechFest on January 13, 2024 in Lawrenceville, GA. If you're at the event, stop by our table and say hello! 73, Rebecca KO4KVG -- Rebecca Key - KO4KVG Communicaions Manager Amateur Radio Digital Communications (ARDC) ardc.net

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Reaching BGP subnets through AmprGW
by Mike Quin 20 Dec '23

20 Dec '23

Hello everyone, I’ve stumbled on a problem with my 44net connection and I’m hoping someone can shed light on what’s going on. I’m connected using IPIP, and I can exchange traffic with other hosts that are also using IPIP (and hence appear in the RIP broadcasts). Where I’m struggling is with a couple of subnets which perform their own BGP advertisements. I can reach them over the internet, but can’t from my 44net-connected system. I can see traffic leaving my network for the hosts in question, encapsulated with a destination address of 169.228.34.84 (amprgw.ucsd.edu <http://amprgw.ucsd.edu/>), but my packets never reach the remote systems. Any clues? Mike Quin

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Might be OT / VoIP on 44 net
by Martin A Flynn 15 Dec '23

15 Dec '23

Hi folks - Anyone using VoIP on 44 net, an if so, is there a director of endpoints VY 73 Martin W2RWJ

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December 2023 Newsletter is Live
by Rebecca Key 14 Dec '23

14 Dec '23

Hey Everyone, The December 2023 Newsletter is live: check it out for our latest updates: https://ardc.net/?na=view&id=63 To receive regular updates about ARDC, please subscribe to our newsletter: https://www.ardc.net/about/newsletter/ Thanks and 73, Rebecca KO4KVG -- Rebecca Key - KO4KVG Communicaions Manager Amateur Radio Digital Communications (ARDC) ardc.net

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