OSPF next-hop manipulation!

From: Kian Seng Goh (kianseng.goh@gmail.com)
Date: Mon Mar 19 2007 - 06:00:16 ART


i have 4 routers from different location running OSPF connected via a
metroEthernet network...
but due to the security policy... they would like to configure that all
traffic must route thru the HQ, instead of going from site to site
directly..

   R1 R2 R3 R4
    | | | |
--------------------------------

i would like to configure it to behave like a frame relay relay network
where all the site to site traffic must go thru R1

                R1
             / \ \
            / \ \
        R2 R3 R4

if its on a frame relay network.. by changing the OSPF network type to
multipoint will change the next hop address to the hub..
but in a broadcast network... does changing the ospf network type to
multipoint give me the same behavior ?

or if anyone have any clue ?



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