> I am currently reading the CiscoPress BSCN book, and I find myself a bit
> confused on the LSU/LSA procedures in OSPF.
>
> When many routers are connected on the same LAN segment, and are therefore
> neighbors to eachother, a DR and a BDR will be elected.
>
> First they write that routers do not flood OSPF updates/advertisements to
> all the OSPF routers (224.0.0.5), but only to the DR OSPF routers
> (224.0.0.6). It is then the task of the DR(s) to flood whatever needs to
> be flooded to all the routers.
>
> However, a little later in the book, they tell me that when a router
> receives an update from a DR router, it will flood it to all routers.
>
> They also write that when a router receives an update, it will flood it to
> all DR OSPF routers on other connected LAN segments.
>
> Can someone give me a simple explanation on who sends what to where?
>
> Thanks in advance,
>
> Ole
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> Ole Drews Jensen
> Systems Network Manager
> CCNA, MCSE, MCP+I
> RWR Enterprises, Inc.
> [EMAIL PROTECTED]
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> http://www.OleDrews.com/CCNP
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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> http://www.oledrews.com/job
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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