Purpose: Used to configure an NBMA network as a multipoint network. OSPF uses multicast to send Hello and other protocol packets over a point-to-multipoint network. On some networks, such as ATM, the connections are dynamic and the Hello packets will be sent only over established connections. Therefore, the non-broadcast option needs to be used in conjunction with theneighbor command (see Chapter 11 ) if running OSPF over an ATM multipoint network.
Initial Cisco IOS Software Release: 10.3. The non-broadcast keyword was added in 11.3.
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