May 2026
Intermediate to advanced
752 pages
20h 33m
English
Content preview from Mastering Advanced Juniper Data Centers
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Chapter 2
Intra-subnet Multicast
Multi-destination traffic is broadly categorized into three types: broadcast, multicast, and unknown unicast (BUM traffic, for short). Broadcast traffic is traffic intended for all nodes in the same broadcast/bridge domain as the source. It uses a broadcast address in the destination MAC address field of the Ethernet header (MAC address of FF:FF:FF:FF:FF:FF). Additionally, an IPv4 broadcast includes the destination IP address set to the broadcast address of the subnet. As an example, for subnet 172.16.10.0/24, the broadcast address is 172.16.10.255. In contrast, IPv6 does not have this concept of a broadcast; instead, it uses the all-nodes (or all-destination) multicast address FF02::1 with ICMPv6 neighbor solicitation. ...
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