44net

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3194 discussions

Re: [44net] RIP problems?
by Rob Janssen 06 Apr '19

06 Apr '19

> Until a decision is made about what to do long term here, maybe the AMPR > Portal web interface can change this name from "gateway" to "public > Internet IP (gateway)". I think that would help some people avoid this > issue. Either that, and/or a descriptive text above the form that explains what a gateway is, why you want to have it (and why not), and where to read more about it. There are those "hover" type help texts but I am afraid it is not enough. I think several "gateways" now listed (with no subnets) are the result of people wanting to register/publish their system information in a way that is more like what HamnetDB does. It should be clearer that creating a gateway here actually sets up routes and when done incorrectly can mess things up pretty badly. The announced subnets list has similar risks. For a while it was limited to subnets registered by the person logged in, there were people wanting to route subnets for others (probably to forward them internally) and this check was removed, and now people who do not completely understand what is going on are randomly announcing other people's subnets without anyone knowing. Perhaps best would be when all gateway setup had to be validated by someone with more experience (a coordinator, an old hat in AMPRnet, etc) before it becomes finalized, similar to the subnet allocation. Rob

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Re: [44net] RIP problems?
by Rob Janssen 02 Apr '19

02 Apr '19

Talked to network people at the ISP, they indicate that they have changed something w.r.t. the routing via Eurorings. It should be researched and hopefully fixed. In the meantime I am thinking about relaying the RIP packets from my own colo host to our gateway as an extra safeguard against things like this. I see that ampr-ripd has options -E and -F that should relay the raw packets to a specified address, good. That should work. But I don't think it is possible to make ampr-ripd receive and act upon those relayed packets, isn't it? Should I NAT them at the receiving system so they again have 224.0.0.9 as destination? Has anyone tried such a setup and does it work without nasty issues? (normally all RIP packets will be received twice in this case) Rob

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Fwd: mailman.ampr.org mailing list memberships reminder
by William Lewis 02 Apr '19

02 Apr '19

Does anyone else find it useless to have a password reminder email sent out every month where you're told your password is [****] ? -------- Forwarded Message -------- Subject: mailman.ampr.org mailing list memberships reminder Date: Mon, 01 Apr 2019 05:00:19 -0700 From: mailman-owner(a)mailman.ampr.org To: wlewis(a)acscalifornia.org This is a reminder, sent out once a month, about your mailman.ampr.org mailing list memberships. It includes your subscription info and how to use it to change it or unsubscribe from a list. <SNIP> List Password // URL ---- -------- 44net(a)mailman.ampr.org ****

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RIP problems?
by Rob Janssen 02 Apr '19

02 Apr '19

Since yesterday, or maybe earlier, we do not receive the full RIP table anymore and our route table for IPIP routes has almost emptied. A trace of UDP port 520 shows only 2 RIP packets per cycle. Has something changed? Or does this have to be some rate-limiting on the path to here? Rob

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Re: [44net] RIP problems?
by Rob Janssen 02 Apr '19

02 Apr '19

I did further debugging... It is indeed our 213.222.29.194 gateway that has the issue, it misses most of the routes at least since yesterday (I notice because I have some mail in the queue routed over IPIP that has stalled since yesterday). But I do have another independently hosted IPIP host in the Netherlands that receives all the normal routes. It is at IP 89.18.172.156 and is located in another datacenter. So likely it is a routing issue on the internet... Rob

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Linux Gateway Question.
by KJ7DMC 01 Apr '19

01 Apr '19

Hello, I'm setting up a gateway on a linux server, I have added NAT and firewall rules to send protocol 4 over to my server at 10.0.2.1. Here's some output from tcpdump. Does this look right to you? Under it I have the output from ampr-ripd, showing nothing coming in. 0.0.0.0.5678 > 255.255.255.255.5678: UDP, length 102 15:41:24.153222 IP (tos 0x50, ttl 242, id 15047, offset 0, flags [none], proto IPIP (4), length 174) ip72-192-148-49.sd.sd.cox.net > 10.0.2.1: IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 154) 0.0.0.0.5678 > 255.255.255.255.5678: UDP, length 126 15:41:35.790028 IP (tos 0x50, ttl 232, id 5104, offset 0, flags [none], proto IPIP (4), length 166) dhcp-91-241-24-251.zc.net.pl > 10.0.2.1: IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 146) 0.0.0.0.5678 > 255.255.255.255.5678: UDP, length 118 15:41:40.735505 IP (tos 0x50, ttl 233, id 5482, offset 0, flags [none], proto IPIP (4), length 150) 89-67-160-225.dynamic.chello.pl > 10.0.2.1: IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 130) 0.0.0.0.5678 > 255.255.255.255.5678: UDP, length 102 15:42:24.169078 IP (tos 0x50, ttl 242, id 15303, offset 0, flags [none], proto IPIP (4), length 174) ip72-192-148-49.sd.sd.cox.net > 10.0.2.1: IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 154) 0.0.0.0.5678 > 255.255.255.255.5678: UDP, length 126 15:42:35.827618 IP (tos 0x50, ttl 232, id 5105, offset 0, flags [none], proto IPIP (4), length 166) dhcp-91-241-24-251.zc.net.pl > 10.0.2.1: IP (tos 0x0, ttl 64, id 0, offset 0, flags [none], proto UDP (17), length 146) 0.0.0.0.5678 > 255.255.255.255.5678: UDP, length 118 root@rigel:~/ampr-ripd-2.4# ./ampr-ripd -d -i tunl0 Using gateway 10.0.0.1 for direct 44net endpoints via interface enp2s0. Waiting for RIPv2 broadcasts... Any help would be greatly appreciated. Thanks and 73, -Nate, KJ7DMC

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Brian Kantor could you contact me off-list please
by Ruben ON3RVH 29 Mar '19

29 Mar '19

Hi Brian, I am trying to reach you off-list but the message keeps bouncing at your bkantor.net o365 mailbox due to security settings. I have a question about re-routing my BGP subnet. Would it be possible to contact me off-list please? Thanks! 73, Ruben - ON3RVH

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Vultr & vyos bgp setup
by brian＠binded.net 24 Mar '19

24 Mar '19

Hello All! I just got my /24 setup over at vultr. Im trying to follow a generic VYOS guide to setup bgp. Im getting some errors when trying to setup the bgp network command. Im used to working with cisco stuff, never really configured anything else. Has anyone used VYOS for bgp? Or is there another router OS thats better to use. 73, Brian

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EdgeRouter Gateway question.
by KJ7DMC 23 Mar '19

23 Mar '19

Hello, I have set up my ubiquiti edgerouter according to this guide http://wiki.ampr.org/wiki/Setting_up_a_gateway_on_Ubiquiti_EdgeRouter. I have plugged a pc into the new port, and I have internet connectivity, but via my ISP ip address. Here is a traceroute to google, showing that it is hitting the gateway. My PC has a static ip of 44.26.0.170, a mask of 225.255.255.248 and a default gateway of 44.26.0.169. What am I doing wrong? Thanks, -Nate 1 <1 ms <1 ms <1 ms kj7dmc.ampr.org [44.26.0.169] 2 <1 ms <1 ms <1 ms 192.168.2.1 3 10 ms 9 ms 10 ms 96.120.60.77 4 10 ms 9 ms 8 ms ae-118-rur01.beaverton.or.bverton.comcast.net [162.151.125.65] 5 9 ms 10 ms 10 ms ae-51-ar01.beaverton.or.bverton.comcast.net [68.85.146.197] 6 29 ms 24 ms 26 ms be-33490-cr02.sunnyvale.ca.ibone.comcast.net [68.86.92.205] 7 25 ms 25 ms 26 ms be-11025-cr01.9greatoaks.ca.ibone.comcast.net [68.86.87.158] 8 24 ms 24 ms 25 ms be-12544-pe01.9greatoaks.ca.ibone.comcast.net [68.86.87.150] 9 25 ms 24 ms 24 ms fonality-cr01.losangeles.ca.ibone.comcast.net [75.149.228.74] 10 * * * Request timed out. 11 27 ms 26 ms 27 ms 108.170.237.22 12 25 ms 24 ms 24 ms 108.170.242.253 13 28 ms 25 ms 25 ms 216.239.62.41 14 32 ms 33 ms 32 ms 74.125.253.92 15 34 ms 32 ms 42 ms 72.14.239.31 16 33 ms 34 ms 33 ms 108.170.235.3 17 32 ms 32 ms 32 ms 108.170.245.97 18 32 ms 31 ms 31 ms 209.85.242.37 19 32 ms 31 ms 31 ms sea15s07-in-f14.1e100.net [216.58.193.78]

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AX25 support on Linux based (Raspberry PI) node
by Lorenzo Simoncello 22 Mar '19

22 Mar '19

Hi hoping won't be OT for "44 Net" mailing list, I would like to ask for yours experience with current AX25 support on Debian and specifically on Linux (Raspbian) based (Raspberry PI) node. At the moment my node should have 1 radio port (1 6pack interface to TNC) and one AXIP link via 44 net. In a previuos post I can see some warnings about "... many kernel issues with the AX25 stack and newer kernels that cause the kernel to simply lock, panic, and other nasties ..." and so the downgrade advice. On the other hand I can see AX25 kernel patch mailing list with some recent kernel little patches about AX25 ... someone know the real recent kernels conditions? It is absolutely necessary to downgrade from current stable 4.14.98 to previous 4.1.21 (for example ...)? In this case, is there a more recent "good" downgrade kernel? It is better to use "Jessie" instead of "Stretch" distro? Again about AX25 packages AX.25 Apps, AX.25 Tools, AX.25 Library: It is always the best choise to recompile and use VE7FET packages (thanks to Lee VE7FET for bugs fixed and reorganizing) instead of official repository (APT) ? It's a pity that there is no way to have a single good source ... Thanks for sharing your experience... may help to shorten the time to right configure a new node for more than someone ;) '73 de Lorenzo iw3her

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