HP A5120 EI Series Command Reference Manual page 115

No mappings are created by default.
Each host name can correspond to only one IPv6 address. The IPv6 address you last assign to the host
name will overwrite the previous one if there is any.
Related commands: display ipv6 host.
Examples
# Configure the mapping between a host name and an IPv6 address.
<Sysname> system-view
[Sysname] ipv6 host aaa 2001::1
107