From: Simon Wunderlich <sw@simonwunderlich.de>
To: b.a.t.m.a.n@lists.open-mesh.org
Cc: petermilani80@gmail.com
Subject: Re: Using BATMAN over ppp interfaces.
Date: Wed, 12 Jul 2023 13:55:22 +0200 [thread overview]
Message-ID: <10972843.BaYr0rKQ5T@prime> (raw)
In-Reply-To: <168913619024.1040.2149557919065248797@diktynna.open-mesh.org>
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On Wednesday, July 12, 2023 6:29:50 AM CEST petermilani80@gmail.com wrote:
> Hi All,
>
> I've just started using batman and was trying to see if I could get it to
> work over a serial radio link such as the simple serial devices commonly
> used in cheap drone telemetry. The goal here is to enable low bandwidth but
> adhoc ip networking.
>
> I had set up a pair of radios to connect using pppd and I was wondering if I
> could utilise batman to try and create a mesh. An example of setting up the
> serial ports as ppp interfaces:
>
> $ sudo pppd /dev/ttyUSB0 57600 noauth nodetach 10.42.5.5:
>
> That works fine but applying batman to that interface was unsuccessful. I
> think that was due to limitations in the ppp and interfaces created by
> pppd: e.g.
>
> $ sudo batctl if add ppp0
> Error - failed to add interface ppp0: Invalid argument
>
> The interface ppp0 was specified as POINTTOPOINT e.g.
>
> $ ip link
> $ ppp0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel
> state UNKNOWN mode DEFAULT group default qlen 3
>
> I'm not an expert in this so don't have full visibility of all the tools
> available. I was wondering if there were better ways to set this up,
> possibly not using pppd? Any guidance would be appreciated.
>
> cheers
> Peter
Hi Peter,
batman-adv requires an Ethernet compatible interface (Layer 2) to operate. PPP
interfaces are Layer 3 interfaces (IP Layer), so that will not work. You could
make a L2 tunnel over your PPP interface such as l2tp or vxlan and use that.
Or perhaps there is a different/better way to enable an Ethernet Link over your
drone radio directly ....
Cheers,
Simon
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next prev parent reply other threads:[~2023-07-12 11:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-12 4:29 Using BATMAN over ppp interfaces petermilani80
2023-07-12 11:55 ` Simon Wunderlich [this message]
2023-07-12 12:18 ` Peter Milani
[not found] ` <CAB_9twWTs3dxT97ze2YP44_6vgJBdXw5yQcDUO=M=RvNP27D1w@mail.gmail.com>
2023-07-12 12:28 ` Simon Wunderlich
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