From: Ozgur Guler (ozgur11@gmail.com)
Date: Wed Jun 27 2007 - 09:03:02 ART
This is useful when you run p2mp over non-broadcast media so that you can
still establish neighborships with the neighbor commands. It also allows you
to assign a cost to each neighbor which might be useful for certain
topologies.
-Ozgur
#13237
On 6/27/07, Antonio Soares <amsoares@netcabo.pt> wrote:
>
> Same as Point-to-multicast but uses Unicast instead of broadcast.
> Does not have DR/BRD.
> Host routes are sent to the neighbors.
>
> Sample config for Hub-and-Spoke Topology:
>
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Hub:
> Interface s0/0
> enc frame
> no frame inv
> ip add 10.10.10.1 255.255.255.0
> frame map ip 10.10.10.2 102
> frame map ip 10.10.10.3 103
> ip ospf net point-to-multipoint non-broadcast
>
> Router ospf 1
> net 10.10.10.1 0.0.0.0 area 0
> neighbor 10.10.10.2
> neighbor 10.10.10.3
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Spoke-1:
> Interface s0/0
> enc frame
> no frame inv
> ip add 10.10.10.2 255.255.255.0
> frame map ip 10.10.10.1 201
> ip ospf net point-to-multipoint non-broadcast
>
> Router ospf 1
> net 10.10.10.2 0.0.0.0 area 0
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> Spoke-2:
> Interface s0/0
> enc frame
> no frame inv
> ip add 10.10.10.3 255.255.255.0
> frame map ip 10.10.10.1 201
> ip ospf net point-to-multipoint non-broadcast
>
> Router ospf 1
> net 10.10.10.3 0.0.0.0 area 0
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> Please note that we don't have the frame-relay broadcast keyword
> configured.
> We don't have Spoke-to-Spoke mapping but they will be able to ping each
> other fr interface via L3 routing.
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> Naresh Myaka
> Sent: quarta-feira, 27 de Junho de 2007 12:16
> To: Cisco certification
> Subject: OSPF NBMA Network
>
> Hi GS,
>
> Can anyone help me in understanding the command "IP OSPF NETWORK
> POINT-TO-MULTIPOINT NON-BROADCAST" in ospf.
>
> Regards,
> Naresh Myaka
>
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