Chapter 22
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Configuring IPv6 Routers 395
via ::1@loopback_0
Direct 3ffe:80f0:3:e::1/128 [1] never_aged
22.4.7 DEFINING A STATIC NEIGHBOR DISCOVERY ENTRY
The ipv6 nd and vlan mac-table commands are used to define a static
Neighbor Discovery (ND) entry in the router’s IPv6 neighbor cache table.
The Neighbor Discovery protocol is used by nodes (hosts and routers)
to determine the link layer addresses for neighbors known to reside on
attached links, to quickly purge cached values that become invalid, to
actively keep track of which neighbors are reachable, and to detect changed
link layer addresses within the network.
In most cases, the process of defining a static Neighbor Discovery entry will
not be required, but it has been included here as reference. This ...