[Ns-bugs] [Bug 651] Ipv4StaticRouting doesn't work stand-alone: can't deliver local packets

[code@nsnam.ece.gatech.edu]

http://www.nsnam.org/bugzilla/show_bug.cgi?id=651


Tom Henderson <tomh at tomh.org> changed:

           What    |Removed                     |Added
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                 CC|                            |tomh at tomh.org




--- Comment #1 from Tom Henderson <tomh at tomh.org>  2009-08-06 09:36:53 EDT ---
(In reply to comment #0)
> After a while trying to understand why the packets targeted at a specific
> ns3::Node were being looped, I found the following comment in
> src/routing/static-routing/ipv4-static-routing.cc:
> 
> // XXX this method not robust enough to work outside of ListRouting context
> // because it will not perform local delivery
> bool
> Ipv4StaticRouting::RouteInput  (Ptr<const Packet> p, const Ipv4Header
> &ipHeader, Ptr<const NetDevice> idev,
>                              UnicastForwardCallback ucb,
> MulticastForwardCallback mcb,
>                              LocalDeliverCallback lcb, ErrorCallback ecb)
> 
> When I wrapped the Ipv4StaticRouting with ns3::Ipv4ListRouting, it started to
> work. I think either the code should not allow to have static routing without
> list routing, or the static routing should be fixed.
> 

Note that this is also true of OLSR and GlobalRouting.  I haven't tried to
solve this yet, but I would like to try to see whether we can just copy over
the needed methods from ListRouting to these other protocols.


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