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Re: Help on OSPF DR/BDR in non-broadcast network type posted 11/01/2008
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I had in mind lsa when typing hellos... :)

2008/11/1 Anthony Sequeira <asequeira@xxxxxxxxxxxxxxxxxxxxxx>:
> But I do not think the big issue is with the Hello traffic. I believe it
> is with the LSA traffic.
>
> The main problems for OSPF with multi-access networks are:
>
> 1. The number of adjacencies that have to be maintained.
>
> 2. The flooding of LSAs. You would get unnecessary, redundant LSAs if you
> were not to use the DR/BDR in the NBMA network. A router would flood the
> LSA to all neighbors, and they would turn right around and do the same.
>
>
> ----- Original Message -----
> From: "TCP IP4" <tcp.ip4@xxxxxxxxx>
> Sent: Fri, October 31, 2008 16:58
> Subject:Help on OSPF DR/BDR in non-broadcast network type
>
> Hi Experts,
>
> Can someone please explain why we need DR/BDR election in the non-broadcast
> network type?   If it's non-broadcast type the OSPF hellos aren't sent as
> often as the broadcast type.   So the DR role is reduced compared to the
> DR's in the broadcast network.
>
> Thanks,
> -Tom
>
>
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> ----- End of original message -----
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