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  2. Broadcast address - Wikipedia

    en.wikipedia.org/wiki/Broadcast_address

    A broadcast address is a network address used to transmit to all devices connected to a multiple-access communications network. A message sent to a broadcast address may be received by all network-attached hosts. In contrast, a multicast address is used to address a specific group of devices, and a unicast address is used to address a single ...

  3. Multicast address - Wikipedia

    en.wikipedia.org/wiki/Multicast_address

    The Cisco multicast router AUTO-RP-ANNOUNCE address is used by RP mapping agents to listen for candidate announcements. Yes 224.0.1.40 The Cisco multicast router AUTO-RP-DISCOVERY address is the destination address for messages from the RP mapping agent to discover candidates. Yes 224.0.1.41 H.323 Gatekeeper discovery address Yes 224.0.1.129–132

  4. Broadcasting (networking) - Wikipedia

    en.wikipedia.org/wiki/Broadcasting_(networking)

    In computer networking, telecommunication and information theory, broadcasting is a method of transferring a message to all recipients simultaneously. Broadcasting can be performed as a high-level operation in a program, for example, broadcasting in Message Passing Interface, or it may be a low-level networking operation, for example broadcasting on Ethernet.

  5. Broadcast domain - Wikipedia

    en.wikipedia.org/wiki/Broadcast_domain

    Broadcast frames from all other sources are directed only to the server/provider nodes. Traffic from other sources not destined to the server/provider nodes (" peer-to-peer " traffic) is blocked. The result is a network based on a nominally shared transmission system; like Ethernet, but in which " client " nodes cannot communicate with each ...

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  7. UDP Helper Address - Wikipedia

    en.wikipedia.org/wiki/UDP_Helper_Address

    The server then chooses an address and sends the client a unicast message, using the helper to send the message back to the client's subnet. The address is reserved for a limited time while the DHCP server waits for a response. If the client responds with another broadcast message, the DHCP server distributes the address.

  8. Dynamic Host Configuration Protocol - Wikipedia

    en.wikipedia.org/wiki/Dynamic_Host_Configuration...

    The DHCP client broadcasts a DHCPDISCOVER message on the network subnet using the destination address 255.255.255.255 (limited broadcast) or the specific subnet broadcast address (directed broadcast). A DHCP client may also request an IP address in the DHCPDISCOVER, which the server may take into account when selecting an address to offer.

  9. IP multicast - Wikipedia

    en.wikipedia.org/wiki/IP_multicast

    Broadcast packets make use of the broadcast MAC address FF:FF:FF:FF:FF:FF. IPv4 multicast packets are delivered using the Ethernet MAC address range 01:00:5E:00:00:00 through 01:00:5E:7F:FF:FF (with an OUI owned by the IANA). This range has 23 bits of available address space. The first octet (01) includes the broadcast/multicast bit.