Here you will find informations for designing a dissector for the Roofnet Layer 2.5 routing protocol for wireless mesh network of http://pdos.csail.mit.edu/roofnet/.
The Layer 2.5 works as follows. - Inside the MAC 802.11 frame a 1500 byte datagram is located. It consists of a 400 byte header and a 1100 byte data field. (see attachment for a pictorial representation) The 400-bytes header contains a lot of informations. Some of them are fixed, such as the protocol version and other stuff (160 bytes). The variable-length part of the header contains routing information of a multi-hop transmission. More specifically, those bytes contain the IP addresses of the hops involved in the route of the current datagram. So, 1100+400 bytes form the payload of Layer 2 MAC protocol. In the data field a standard UDP or TCP datagrams may be carried. I hope everything is clear. If you need a sample capture just tell me. Regards Nicola Arnoldi On ven, 2006-12-08 at 15:16 -0800, Stephen Fisher wrote: > On Thu, Dec 07, 2006 at 10:22:26AM +0100, Nicola Arnoldi wrote: > > > If you're into wireless mesh networking stuff, you've probably heard > > about Roofnet, an MIT project with WMNs. Well, Roofnet introduces a > > 2.5 OSI Layer, with certain headers. Anyone designed a dissector for > > Roofnet or is anyone interested into it? > > > If so, please contact me, I will be happy to provide the packet > > structure... > > Feel free to send a link to the packet structure and a link to a sample > capture file to the list. Someone may have time to work on a dissector > for it. If you don't hear anything back, add it to the wish list (again > with the structure and a capture file) at > http://wiki.wireshark.org/WishList > > > Steve > _______________________________________________ > Wireshark-dev mailing list > [email protected] > http://www.wireshark.org/mailman/listinfo/wireshark-dev
roofnet_packet.pdf
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