ospf speakers peering rules in multiaccess networks

From: lim es (tiga72@yahoo.com)
Date: Thu Jan 19 2006 - 00:21:31 GMT-3

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Hi Group,

A group of routers (in multiaccess
enviornment:r1,r2,r3) running ospf,with the intend
peering with other router,r4 connected via
point-to-point

r1----|
      |----r3---serial link----r4
r2----|

The question:
If r3 is the DR in the scenario, r4 should only peer
with a DR, because DR distributes spokes reachability.
r1,r2 being drothers will not exchange lsa, only send
it to r3
If r4 peers with r1 or r2, routing info can get lost

I am not too sure, if i got it correct, would
apppreciate any inputs on this

Thanks

Lim

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