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From: petermilani80@gmail.com
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Using BATMAN over ppp interfaces.
Date: Wed, 12 Jul 2023 04:29:50 -0000	[thread overview]
Message-ID: <168913619024.1040.2149557919065248797@diktynna.open-mesh.org> (raw)

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

next             reply	other threads:[~2023-07-12  4:30 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12  4:29 petermilani80 [this message]
2023-07-12 11:55 ` Using BATMAN over ppp interfaces Simon Wunderlich
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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