OSPF On NBMA with a twist

From: Nate Kleven (cciemail@intellinet.ws)
Date: Sat Nov 16 2002 - 17:33:10 GMT-3

                R2
               / \
             / \
           / \
        R4 R3
 
Hub and Spoke Topology
R2 Has a PVC to R4 and R3
 
- R2/R3/R4 Share the 10.10.10.0/27 Network
- R4 Must be configured using a Physical Interface
- R3 & R2 Must be configured using Sub-interfaces
- R2's Serial Subinterface must be configured as a multipoint interface, not
a Non-broadcast.
- You may not use the "IP OSPF NETWORK" command on R3
 
I have not been able to get this working and meet all th requirements.
Anyone out there seen this before?
 
 
Thanks in advance.
 
 
Nate

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