[Ns-bugs] [Bug 402] IPv4 GlobalRouting does not handle /32 interfaces

Mon Dec 8 06:32:55 PST 2008

http://www.nsnam.org/bugzilla/show_bug.cgi?id=402

--- Comment #2 from Tom Henderson <tomh at tomh.org>  2008-12-08 09:32:55 EDT ---
Use case:

/32 netmasks are sometimes used in MANET routing over WiFi; each node gets a
/32 address.  However, /32 netmasks are illegal for broadcast links in OSPF
(which is what global routing is patterned after).

If global routing is run over such a configured MANET today, it will fail. 
This is because the WifiNetDevice is identified as a broadcast interface.

The solution seems to be to add support for point-to-multipoint logic in global
routing (which can handle the /32), and to somehow flag that the WifiNetDevice
is not a typical broadcast link so that global routing can pick this up and
treat it accordingly.

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