No connection between nodes on same LAN
Eric Estabrooks
eric at urbanrage.com
Sun May 9 17:12:35 CEST 2010
On 05/09/10 07:09, Daniel Schall wrote:
>> Thanks for the diagram - what did you use to create it?
>
> The diagram was made using Microsoft Visio 2007.
>
>> First, what version of tinc are you using on your nodes - is it 1.0.13?
>
> I am using tinc 1.013, the pre-compiled version from the website. All the
> nodes are running windows.
>
>> A third option that might work is when doing PMTU discovery after
> exchanging
>> session keys between Node1 and Node2 (via their meta connections with
> Node3 of
>> course), that they also send some MTU probes to the broadcast address. The
>> receiving node will update the known address of the peer when it receives
> a
>> valid UDP packet, whereever it came from.
>
>> I think the third option is easiest to implement, I don't know if it will
> work
>> though. I'm a little busy this month so if you or someone else wants to
> try to
>> implement it, please go ahead :)
>
> I am curious to implement it, but I am also rather busy.
> Currently, I am studying the sources to evaluate, what to implement:
> a) a broadcast discovery algorithm to find all nodes in the same network
> segment OR
> b) making each node send its endpoints to all other nodes to let them choose
> what endpoint they want to contact the node
>
I'd guess you'll have to go with option a. Because even though their
ips may appear to put them on the same lan, it's not a guarantee that
they are and you might have one or more nodes that have them same
internal ip but are at different locations.
Eric
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