[olsr-dev] basic questions
Wed Oct 11 10:34:04 CEST 2006
Thank you very much for the information. I have one
more basic doubt. Can a node in a network communicate
with a node in different network using OLSR. If not,
do we need to set a default gateway to reach the nodes
in different networks. If so, what happens if the
nodes in a network lose their default gateway(mobile)
due to some reason.
--- Sven-Ola Tuecke <(spam-protected)> wrote:
> OLSR needs basic IP functions up and running:
> - Ping to neighbours must be successful.
> - Basic IP routing must be present.
> - UDP-Broadcasting must be supported
> Ping uses ICMP. ICMP uses the IP layer. UDP
> broadcast uses the IP layer too.
> The IP layer needs ARP. ARP requires the MAC-Layer
> (aka Ethernet) to be up
> and running. UDP-Broadcast and ARP send to special
> ff:ff:ff:ff:ff:ff which must be supported. And a
> decent data transfer time
> (so datagram services via pidgeon-transfer probably
> does not work). And no
> Firewalling or Routers in between.
> Exceptions: It is possible to use Pointopoint links
> (e.g. PPP) with special
> config. PPP does not have ARP nor Broadcast, hence
> you need to set the
> BCast-Addr to the Pointopoint-Neighbour-Adress. Have
> I mentioned, that this
> is a special case?
> P.S: You need a Von-Neumann-architecture on your
> computer to run OLSR AFAIK.
> HTH Sven-Ola
> "y varun" <(spam-protected)> schrieb im
> > Hi All,
> > I am sorry for not changing the subject in the
> > e-mail. Also got the answer for the 2'nd question
> > OLSR does not depend on any other protocol.
> > I would appreciate if someone can throw light on
> > 1'st question.
> > Thanks and Regards,
> > Van
> > --- y varun <(spam-protected)> wrote:
> >> Hi All,
> >> I am a beginner in OLSR technology. I have some
> >> basic
> >> doubts.
> >> 1)Is it necessary for all nodes to be in the
> >> network to communicate via OLSR.
> >> 2) Does OLSR also rely on some other protocol for
> >> its
> >> complete functionality(eg: arp(Address Resolution
> >> Protocol))
> >> Thanks and Regards,
> >> Van.
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