[FROG] sending routes to one area

[Michael DiDomenico]

i'm new to frr and ospf, so this might sound like a simple question.  i
have a network of clients separated from the rest of a much larger network
by four gateways

pseudo code follows...

when i config ospf on the gateways
router ospf
  router id 1
  network 10.0.1.0/24 area 0
  network 10.0.2.0/24 area 1

and then on the clients
router ospf
  router id 100
  network 10.0.2.0/24 area 1

all the routing seems to work find and all the hosts on various networks
can see each other.  however, what i can't seem to figure out is how i can
distribute a default route

on linux i would do something like

ip route add default nexthop 10.0.2.1 nexthop 10.0.2.2 nexthop 10.0.2.3
nexthop 10.0.2.4

and that works in this instance too, in that the packets will flow over the
four gateway machines, however if one of the gateways goes down the route
table doesn't get updated since i statically defined the default route

what i want to do is advertise a default route to all the clients in area 1
only.  i can't seem to figure out a combination of
redistribute/route-maps/acl's and i haven't been able to locate a clear
example on the internet.

can anyone lend a hand?
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