[Wien] ipv6 with olsrd2?

[Henning Rogge]

Just to mention it,

we found a major issue in the message generation code of Olsrd2 during
the Battlemesh in Vienna... which was the reason behind releasing
0.14.0...

I would suggest you update to a new version if you have something like
0.13.x or before.

Henning Rogge

On Fri, Aug 11, 2017 at 3:37 PM, Gui Iribarren <(spam-protected)> wrote:
> On 11/08/17 13:43, Christian Pock wrote:
>> Hi Gui,
>>
>> you are right: IPv6 on olsr1 is no longer active on the majority of node that supported it earlier this year (or last year). Anyway, as far as I know the tunnel service "6in4" is still active, thus: as long as you are able to find a path on (spam-protected), you might be lucky to get online.
>>
>> As of know, IPv6 is delivered by olsr2, as you already discovered on your own *thumbsup*. To get a clear view on what nodes support (spam-protected), you can investigate the olsrv2info output or just look at these 2 links:
>> http://ff.cybercomm.at/monitor/olsr2.php
>> http://ff.cybercomm.at/map2/
>>
>> For some reason, not all routers running olsr2 are reachable via IPv6. As far as we found out, this is related to the  setting "WDS bridge" on Ubiquiti-Antennas running AirOS 6 or earlier (with must be enabled). So in case there's a node listed in the "olsr2 cloud", a missing WDS-bridge-enabled setting could cause that the node is not available (highlighted blue in the listing and map).
>
> yeah, "WDS" must always be enabled on all bridges (in some AirOs
> versions is called "Transparent bridge mode") or funny things happen in
> IPv6 world
>
>> Also, some nodes running olsr2 do not have a connection to the rest of the olsr2-could. That means, they are isolated without the uplink node broadcasting the default routes to ::0. Looks like gri102 is such a node :-(
>
> sorry for the typo. I meant gri106.
>
>>
>> Recently I discovered also an issue related to the versions of olsrd2 daemon (oonf): most of the routers use version 0.13.0, which does not seam to work properly together with the most actual version 0.14.1: updating a node from 0.13.0 to 0.14.1 will isolate it. Details see this github issue:
>> https://github.com/OLSR/OONF/issues/10
>
> i'm using a seemingly old version 0.9.2:
> stein712# olsrd2 --version
>  OLSRd2 version 0.9.2
>  Git commit: v0.9.2-archive
>
> and i communicate OK with gri106 (and i get routes for 'gri121' and
> 'test') so i assume gri106 (and the others) are also using
> olsrd2 <= 0.13.0
>
> looking at the map you provided, and comparing with OLSR1 (ipv4) map:
> http://ff.cybercomm.at/map/
> an explanation would be that some ubiquiti in the way between 'gri106'
> and 'mh' is missing the "WDS" / "Transparent bridge mode" activated
>
> CC'ing here the tech-c of both nodes, to see if we can solve it together :)
>
>>
>> I hope this helps to explain the situation.
>> To solve this for you, I propose to get in contact with the node owner/tech-c of gri106 and his/her uplink-partner.
>>
>> Stein712 has node-id=2843, that is 0xb1b.
>> Your node's IPv6 user block therefore is: 2a02:61:b1b::/48.
>
> perfect, will use that
>
> Thank you so much Christian for all the debugging tools and information!
> I was totally lost since it's the first time I use olsr2. That map and
> status overview was invaluable.
>
>>
>> See further details on IP-Addresses here:
>> https://wiki.funkfeuer.at/wiki/IP-Adresskonzept
>>
>> Regards, Christian
>>
>>
>> -----Ursprüngliche Nachricht-----
>> Von: Wien [mailto:(spam-protected)] Im Auftrag von Gui Iribarren
>> Gesendet: Donnerstag, 10. August 2017 21:46
>> An: (spam-protected)
>> Betreff: [Wien] ipv6 with olsrd2?
>>
>> Hello fellow funkfeuers,
>> i'm trying to get native ipv6 connectivity in stein712
>> https://map.funkfeuer.at/wien/#shownode=stein712
>>
>> currently doing olsr1 (v4) with gri102 that has been providing wonderful connectivity for almost a year already so i just tried to do also olsr1 (v6), without success looking at a tcpdump, i saw olsr2 packets coming from gri102 so i installed olsr2 on my side, made a trivial config based on
>> http://www.olsr.org/mediawiki/index.php/OLSR_network_deployments#olsrd2_2
>>
>> and i get only 3 routes:
>> 2a02:61:831::1
>> 2a02:61:a5b::1
>> 2a02:61:b65::1
>>
>> and, especially, no default route
>>
>> is this just an isolated test olsr2 mesh?
>> maybe something wrong in my (trivial) config?
>>
>> what's the current level of implementation of ipv6 across funkfeuer?
>>
>> how do i get an ipv6 range assigned to my stein712?
>>
>> as always, i offer my help in whatever needed to push ipv6 implementation forward :)
>>
>> thanks!
>>
>> gui
>>
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