HP 2520-8 Configuration Manual page 30

IPv6 Addressing Configuration
View the Current IPv6 Addressing Configuration
1-18
Address Origin:
Autoconfig: The address was configured using stateless
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address autoconfiguration (SLAAC). In this case, the
device identifier for global unicast addresses copied from
the current link-local unicast address.
DHCP: The address was assigned by a DHCPv6 server. Note
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that addresses having a DHCP origin are listed with a 128-
bit prefix length.
Manual: The address was statically configured on the
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VLAN.
IPv6 Address/Prefix Length: Lists each IPv6 address and
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prefix length configured on the indicated VLAN.
Address Status:
Tentative: DAD has not yet confirmed the address as
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unique, and is not usable for sending and receiving traffic.
Preferred: The address has been confirmed as unique by
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DAD, and usable for sending and receiving traffic. The
Expiry time shown for this address by the show ipv6 vlan <
vid > command output is the preferred lifetime assigned to
the address. (Refer to "Address Lifetimes" on page xxx.)
Deprecated: The preferred lifetime for the address has been
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exceeded, but there is time remaining in the valid lifetime.
Duplicate: Indicates a statically configured IPv6 address
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that is a duplicate of another IPv6 address that already
exists on another device belonging to the same VLAN
interface. A duplicate address is not used.
For example, figure 1-1 shows the output on a switch having IPv6 enabled on
one VLAN.