[Olsr-users] Subnet settings of NICs and mobility

Vigneswaran R (spam-protected)
Mon Sep 24 12:40:12 CEST 2012


On Monday 24 September 2012 03:59 PM, Henning Rogge wrote:
[...]
>>>> In that case, while connecting two machines, if the NICs being part of
>>>> the link have different subnet settings, will OLSR establish route?
>>>> (assume that this connection happened due to node movement).
>>>
>>> A group of NICs which might have a connection should share a subnet.
>>
>> I agree. However, in a scenario where nodes are *mobile* and have
>> (multiple) *point to point radio* devices (with directional antennas)
>> for communication between them, is it possible for the following to 
>> occur?
>>
>> (Note: I don't have much idea about the radio devices).
>>
>> +-----------------+        +-----------------+
>> |eth0: 10.1.1.1/16|        |eth1: 10.2.1.2/16|
>> |                 |        |                 |
>> |      Node1      |        |      Node2      |
>> |                 |        |                 |
>> |eth1: 10.2.1.1/16|<------>|eth0: 10.1.1.2/16|
>> +-----------------+        +-----------------+
>>
>> If yes, are there any workarounds? Thank you.
>
> It might work with OLSRd because the routing protocol sets up 
> host-routes for each target, but its trouble for testing (because it 
> will not work correctly without the routing protocol).
>
> If you control the whole mesh/network, I would suggest use one subnet 
> for each wifi-channel you are using.
>
> If you cannot do this, try to make sure that you use different subnets 
> for the ethernets and the wifi-mesh.

Ok. Thank you.


Regards,
Vignesh





More information about the Olsr-users mailing list