From: Malcolm Price (malcolm@xxxxxxxxxxx)
Date: Sat Aug 03 2002 - 16:03:39 GMT-3
Hi Group,
This is probably a simple question which really I should know, but I was
wondering if someone could clarify the need for the following:
When using OSPF over NBMA Frame Relay, given the following 4 router
multipoint scenario:
interface serial0
encapsulation frame-relay
ip address 172.16.2.1 255.255.255.0
frame-relay map ip 172.16.2.4 200 broadcast
frame-relay map ip 172.16.2.5 200 broadcast
frame-relay map ip 172.16.2.6 200 broadcast
!
router ospf 100
network 172.16.0.0 0.0.255.255 area 0
As I understand, using the command "frame-relay map ip 172.16.2.4 200
broadcast" would forward "broadcast" and multicast packets across the NBMA
network.
Given this useage, why would we need to use the following command to forward
ospf multicasts/broadcasts:
ip ospf network broadcast
if the purpose of these commands is to broadcast forward ospf info..?
I understand what the ip ospf network commands represent and their function,
it's clarification of the broadcast option of the frame-relay map command I
was looking for?.
Many thanks,
Malcolm
Malcolm Price M.Phil. MBCS C.Eng.
Technical Director
LanBase Technologies
www.lanbase.com
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