[Olsr-users] Too big packets | > 1420 Bytes!

Henning Rogge (spam-protected)
Mon Aug 13 10:22:29 CEST 2012

On 08/12/2012 10:26 PM, Markus Kittenberger wrote:
> On Sun, Aug 12, 2012 at 2:06 PM, Michael Rack <
> (spam-protected)> wrote:
>>   All right! That figures :)
>> So i try to adjust the vpn-interface mtu settings. I hope OLSR splits
>> messages, that gets bigger then the maximum mtu / mss.
> afair olsr does not split existing messages!

In fact olsrd DOES split messages, it just does it only at the node that 
is creating the message.

It is not possible to split a message during forwarding, so it is a bit 
risky to have a network with different MTU sizes.

We maybe should consider limiting the message size of future OLSR 
versions, so that an OLSR packet with a single OLSR message always fits 
into a 1280 byte MTU.


Diplom-Informatiker Henning Rogge , Fraunhofer-Institut für
Kommunikation, Informationsverarbeitung und Ergonomie FKIE
Kommunikationssysteme (KOM)
Neuenahrer Straße 20, 53343 Wachtberg, Germany
Telefon +49 228 9435-961,   Fax +49 228 9435 685
mailto:(spam-protected) http://www.fkie.fraunhofer.de
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