OSPF point-to-multipoint over frame-relay

From: Peng Zheng (zpnist@yahoo.com)
Date: Tue Sep 03 2002 - 15:22:50 GMT-3


Hi,

It's a hub-spoke configuration. Router E is hub,
Router G and Router H are spokes.

I thought I should configure frame map for E and H on
G, but in CIM, their configuration are:

--------------------------------------------------
 Router_E:

interface Serial1
 ip address 170.170.9.5 255.255.255.0
 no ip mroute-cache
 encapsulation frame-relay
ip ospf network point-to-multipoint
 frame-relay map ip 170.170.9.7 121 broadcast
 frame-relay map ip 170.170.9.8 123 broadcast
router ospf 7
 network 170.170.9.0 0.0.0.255 area 0
Router_G:

interface Serial0
 no ip address
 encapsulation frame-relay
 frame-relay lmi-type ANSI
!
interface Serial0.5 multipoint
 ip address 170.170.9.7 255.255.255.0
ip ospf network point-to-multipoint
 frame-relay map ip 170.170.9.5 112 broadcast
router ospf 7
 network 170.170.9.0 0.0.0.255 area 0
------------------------------------------------------

They said it's because Router E installed two host
routes for H and G, So map for H on G is not required.

Is this true?

Thank you for help.

Best Regards,
Peng Zheng



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