1-21
IPv6 Addressing Configuration
View the Current IPv6 Addressing Configuration
■ DAD Attempts: Indicates the number of neighbor solicita-
tions the switch transmits per-address for duplicate
(IPv6) address detection. Implemented when a new
address is configured or when an interface with config-
ured addresses comes up (such as after a reboot). The
default setting is 3, and the range is 0 - 600. A setting of
“0” disables duplicate address detection. (Refer to “Dupli-
cate Address Detection (DAD)” on page 1-14.)
■ VLAN Name: Lists the name of a VLAN statically configured
on the switch.
■ IPv6 Status: For the indicated VLAN, indicates whether
IPv6 is disabled (the default) or enabled. (Refer to “Config-
uring IPv6 Addressing” on page 1-3.)
■ IPv6 Address/Prefix Length: Lists each IPv6 address and
prefix length configured on the indicated VLAN.
■ Expiry: Lists the lifetime status of each IPv6 address listed
for a VLAN:
• Permanent: The address will not time out and need
renewal or replacement.
• date/time: The date and time that the address expires.
Expiration date and time is specified in the router
advertisement used to create the prefix for automati-
cally configured, global unicast addresses. The Address
Status field in the show ipv6 command output indicates
whether this date/time is for the “preferred” or “valid”
lifetime assigned to the corresponding address. (Refer
to “Router Access and Default Router Selection” on
page 1-23.)
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