[Olsr-users] Received message to big to be forwarded

Henning Rogge (spam-protected)
Fri Apr 17 16:32:55 CEST 2015


Sure,

but that is not really a good idea for UDP Multicast... especially in
networks with some amount of multicast packet loss.

Henning

On Fri, Apr 17, 2015 at 4:31 PM, Teco Boot <(spam-protected)> wrote:
> Clearing the DF bit enables IP stack fragmenting.
>
> Teco
>
>> Op 17 apr. 2015, om 16:08 heeft Henning Rogge <(spam-protected)> het volgende geschreven:
>>
>> That is what I mentioned earlier... limiting the maximum size of a
>> message independent of the packet/MTU size.
>>
>> Henning
>>
>> On Fri, Apr 17, 2015 at 4:07 PM, Ferry Huberts <(spam-protected)> wrote:
>>>
>>>
>>> On 17/04/15 16:04, Henning Rogge wrote:
>>>>
>>>> Yes,
>>>>
>>>> but the fix does not handle mesh networks with different MTUs.
>>>>
>>>> the 160 neighbor nodes produces a TC as large as it can... according
>>>> to the local MTU. when this message is forwarded (within UDP and olsr
>>>> packets) it reaches a node with a link where the MTU is small enough
>>>> that the message does not fit through.
>>>>
>>>
>>> Which is what I meant earlier: olsrd should split the packet.
>>>
>>>
>>>
>>>> Henning
>>>>
>>>> On Fri, Apr 17, 2015 at 3:16 PM, Ferry Huberts <(spam-protected)> wrote:
>>>>>
>>>>>
>>>>>
>>>>> On 17/04/15 15:11, Jernej Kos wrote:
>>>>>>
>>>>>>
>>>>>> Hello!
>>>>>>
>>>>>> On 17. 04. 2015 15:08, Ferry Huberts wrote:
>>>>>>>
>>>>>>>
>>>>>>> Which version of olsrd are you running?
>>>>>>> The 160+ number is suspiciously like a problem that Henning fixed a
>>>>>>> while ago.
>>>>>>
>>>>>>
>>>>>>
>>>>>> We are running olsrd version 0.6.7.1.
>>>>>
>>>>>
>>>>>
>>>>> That includes Henning's fix.
>>>
>>>
>>> --
>>> Ferry Huberts
>>
>> --
>> Olsr-users mailing list
>> (spam-protected)
>> https://lists.olsr.org/mailman/listinfo/olsr-users
>




More information about the Olsr-users mailing list