[Olsr-users] Testing DLEP plugin without WiFi

[Henning Rogge]

Hi,

did you use the iptables/ebtables settings proposed on the olsr.org webpage
(or something equivalent)?

http://www.olsr.org/mediawiki/index.php/DLEP#DLEP-radio_on_an_embedded_router_with_OpenWRT

Henning

On Thu, Aug 25, 2016 at 11:55 PM, Anderson Huang <
(spam-protected)> wrote:

> Hi everyone,
>
> If you could, disregard the last email I sent as I have made some progress
> in establishing a working mesh network with dlep capabilities. I feel like
> I am very close, and am just missing a very small detail. Below is a
> summary of my setup and the error I run into.
>
> Router 1 --(ethernet adapter)-- Radio 1 ---- (802.11s mesh network) ----
> Radio 2 ----(ethernet adapter) ---- Router 2
>
> Each of these nodes is running Linux, but not all versions of OONF are the
> same on each (if this is the problem, I can easily fix this). I have
> created a mesh network using open80211s tutorials. Radios 1 and 2 can
> successfully see each other through the mesh network.
>
> Next, I have bridged the ethernet interface on each radio with the mesh
> point interface. Let's call the mesh interface mesh0 and the bridge br0. My
> configuration files, then, for the router looks like so.
>
> [dlep_router=<ethernet enterface>]
>
> and for the radio
>
> [dlep_radio=mesh0]
>     datapath_if    br0(also tried using <ethernet interface>)
>
> In the terminal, I run on the router side,
>
> ./olsrd2_dlep_static <ethernet interface> lo --load=router.cfg
>
> and on the radio side,
>
> ./dlep_radio_static --load=radio.cfg
>
> Routers 1 and 2 are able to see each other across the mesh network,
> through routing tables using route -n. When I use br0 as the item to feed
> into datapath_if, the telnet interface gives me nothing when I query with
> the layer2info commands. In fact, when I try to do this on the router side,
> an unusual error pops up on the radio side, specifically of the kind as
> shown below. However, the correct neighbor shows up (e.g. the correct
> router on the other side of the mesh network).
>
> 14:25:12.946 WARN(stream_socket) src-plugins/subsystems/oonf_stream_socket.c
> 812: Error while writing to communication stream with
> fe80::a2ce:c8ff:fe07:d669: Broken pipe (32)
>
> When I use an ethernet interface as the argument to datapath_if, the
> telnet interface gives me no response when I query with layer2info
> commands.
>
> Let me know if there is any fix. Thank you for your help.
>
> On Wed, Aug 24, 2016 at 3:01 PM, Anderson Huang <
> (spam-protected)> wrote:
>
>> Hi all,
>>
>> So I am testing your plugins, specifically layer2, layer2info, and
>> layer2_config. I am secondly confused on what the result of running such
>> plugins should do - should I see test data in the OONF telnet plugin? May i
>> have some clarification on which executable I should be running this plugin
>> on top of (./olsrd2_dlep_static or ./dlep_radio_static)? For reference, my
>> setup still looks as such (you can disregard the wifi).
>>
>> Router 1 --(ethernet adapter)-- Radio 1 ---- (wifi & ethernet adapter)
>> ---- Radio 2 ----(ethernet adapter) ---- Router 2
>>
>> The problem is that I cannot seem to achieve Router 1 *to see *Router 2
>> through the telnet interface. Through bridging ethernet interfaces, I am
>> able to see the logical IP addresses I assign through the end nodes'
>> routing tables, but I do not think this is what I wanted.
>> 802.11s is not supported on all my nodes unfortunately. If anyone has
>> successfully created a mesh network with Linksys WRT54GL routers, I would
>> appreciate any help with that as well.
>>
>> Anderson Huang
>>
>>
>> On Wed, Aug 24, 2016 at 1:24 AM, Anderson Huang <
>> (spam-protected)> wrote:
>>
>>> I am using a normal PC. I am able to compile and generate all
>>> executables as you have stated; however, the problem occurs because i am
>>> unable to follow through on the 802.11s mesh set-up (only one of my nodes
>>> has the network card capabilities to do this). Therefore, I was resorted to
>>> using OpenWRT to alleviate this problem. However, I bricked one of my
>>> routers today trying... I will most likely stick with a normal PC, but it
>>> seems like I will not be able to test the capabilities of the dlep_radio
>>> plugin using normal bridging. I will try using the layer 2 generator plugin
>>> and the layer 2 config plugins and report back to you on those results.
>>> Thank you for your help, and I will keep you updated.
>>>
>>>
>>> On Tue, Aug 23, 2016 at 11:01 PM, Henning Rogge <(spam-protected)>
>>> wrote:
>>>
>>>> On Tue, Aug 23, 2016 at 11:13 PM, Anderson Huang <
>>>> (spam-protected)> wrote:
>>>>
>>>>> I am unsure how to run the binaries with the layer-2 generator plugin,
>>>>> however. I try to run it with the --plugin= option to no avail.
>>>>>
>>>>
>>>> You could add the plugin name to the OpenWRT build file...
>>>>
>>>> yes, I know its not perfect but the build system of OpenWRT is a
>>>> headache... so I only have a list of "usual plugins" to be optionally added
>>>> to OpenWRT by default.
>>>>
>>>>
>>>>>
>>>>> I am trying to experiment with OpenWRT now and am confused as to how
>>>>> OONF ties in. Am I correct in assuming that the OpenWRT must be running on
>>>>> a PC, not per se a Linksys WRT54GL router?
>>>>>
>>>>
>>>> OONF = Olsr.org Network Framework.
>>>>
>>>> Both my Olsrd2 and DLEP implementation are part of OONF.
>>>>
>>>> If you are using a normal PC, just forget about OpenWRT and compile the
>>>> executables yourself, you will find a description how to do this in the
>>>> wiki.
>>>>
>>>> Henning
>>>>
>>>
>>>
>>
>
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