|  | 10.1 | IP Addressing and Subnetting
| 10.1.3 | The role of broadcast addresses on a routed network
Broadcasting is supported by IP. The messages are intended to be seen by every host on a network. The broadcast address is formed by using all 1s within a portion of the IP address. Cisco IOS software supports two kinds of broadcasts - directed broadcasts and flooded broadcasts. Broadcasts directed into a specific network/subnet are allowed and are forwarded by the router. These directed broadcasts contain all 1s in the host portion of the address. Flooded broadcasts (255.255.255.255) are not propagated, but are considered local broadcasts. -