OSPF Broadcast Network Type over Frame-Relay

Hub(config)#interface serial 0/0 Hub(config-if)#ip address 192.168.123.1 255.255.255.0 Hub(config-if)#encapsulation frame-relay Hub(config-if)#ip ospf network broadcast Hub(config-if)#exit Hub(config)#router ospf 1 Hub(config-router)#network 192.168.123.0 0.0.0.255 area 0

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Tags: Broadcast, Network Type

Forum Replies

ReneMolenaar says:

Thanks René! This explanation was so clear!
system says:

Hi René…excellent job, thanks for your help!!!
tborkowski says:

Hey Rene. My understanding is that broadcast is the default network type for ethernet interfaces and nonbroadcast is the default for serial interfaces. In the lesson you stated that the ip ospf broadcast command is not necessary in this example, but wouldn’t it be required since you’re configuring it on a serial interface?
ReneMolenaar says:

Hi Thomas,

I just fixed it, you are correct. Broadcast is the default for Ethernet and non-broadcast for serial interfaces. The only exception is when you create a point-to-point sub-interface for frame-relay, the default will be point-to-point.

Rene
adapaajith says:

Nice lesson.

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