Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
How it works...
The process of auto configuring the IPv6 address is known as Stateless Address Auto Configuration (SLAAC). As we saw earlier, when IPv6 is enabled on any device, a link-local address from the fe80::/10 range is assigned by default. As mandated by the IPv6 address format, the interface ID (last 64 bits) of an IPv6 address must be unique for each host within the network. So how can we assure that the auto configured IPv6 address is unique for each host within the network? In an LAN, the MAC address is a data-link layer identifier assigned to each host and is expected to be unique within the network. This is to ensure that the frame is delivered to the right host. IPv6 auto configuration leverages the uniqueness of the MAC address ...
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