OSPF Fast Hello

[Henrique de Moraes Holschuh]

On Sat, 19 May 2012, Javier Lorenzo Prieto wrote:
> We are using BIRD to configure load balancing and redundancy between two
> sites. These sites are interconnected via two short-range RF links (each
> with 15 Mpbs effective throughput and delay of 5ms). Because we intend to
> send VoIP over these links and would like to avoid dropping calls in the
> event of interruptions in one of the links. Therefore, dynamic routes need
> to be updated very quickly.

How does multicast/broadcast frames work on that RF link?

If it is a Wifi-like link (i.e. it uses a 802.11 MAC), you most likely have
to avoid anything non-unicast like the plague.  Please try OSPF in NBMA mode.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh