17.How does the configuration ensure that traffic goes through the router at the link-local address rather than its global IP address for the default route in IPv6?
The default route 3 (also written as::/0 in IPv6 ), this configuration arranges for the traffic to go through the router at the link-local address. The router usually doesn't care about how it gets traffic, it cares about where the traffic is supposed to go. Using the link-local address as a default gateway has the advantage that it doesn't need to change if the global IP address space changes.
The default route in IPv6, often denoted as ::/0, is configured to direct traffic through the router's link-local address. The router is primarily concerned with the destination of the traffic rather than its source. Utilizing the link-local address as the default gateway offers an advantage – it remains unchanged even if there are alterations to the global IP address space. This ensures consistent and reliable routing, emphasizing the router's role in guiding traffic to its intended destinations.
