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IP Configuration
IPv6 Management and Interfaces
STEP 1
STEP 2
STEP 3
STEP 4
STEP 5
Cisco Small Business 300 Series Managed Switch Administration Guide
To define an IPv6 interface:
In Layer 2 system mode, click Administration > Management Interface > IPv6
Interfaces.
In Layer 3 system mode, click IP Configuration > IPv6 Management and
Interfaces > IPv6 Interfaces.
Click Add to add a new interface on which interface IPv6 is enabled.
Enter the fields:
•
IPv6 Interface—Select a specific port, LAG, VLAN, or ISATAP tunnel for the
IPv6 address.
To configure the interface as a DHCPv6 client, meaning to enable the interface to
receive information from the DHCPv6 server, such as: SNTP configuration and
DNS information, enter the DHCPv6 Client fields:
•
Stateless—Select to enable the interface as a stateless DHCPv6 client.
•
Minimum Information Refresh Time—This value is used to put a floor on
the refresh time value. If the server sends a refresh time option that is less
than this value, this value is used instead. Select either Infinite (no refresh
unless the server sends this option) or User Defined to set a value.
•
Information Refresh Time—This value indicates how often the device will
refresh information received from the DHCPv6 server. If this option is not
received from the server, the value entered here is used. Select either
Infinite (no refresh unless the server sends this option) or User Defined to
set a value.
To configure additional IPv6 parameters, enter the following fields:
•
IPv6 Address Auto Configuration—Select to enable automatic address
configuration from router advertisements sent by neighbors.
The device does not support stateful address auto configuration from
NOTE
a DHCPv6 server.
•
Number of DAD Attempts—Enter the number of consecutive neighbor
solicitation messages that are sent while Duplicate Address Detection (DAD)
is performed on the interface's Unicast IPv6 addresses. DAD verifies the
uniqueness of a new Unicast IPv6 address before it is assigned. New
addresses remain in a tentative state during DAD verification. Entering 0 in
this field disables duplicate address detection processing on the specified
interface. Entering 1 in this field indicates a single transmission without
follow-up transmissions.
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