Configuring IP Information
Management and IP Interfaces
Cisco Small Business 300 Series Managed Switch Administration Guide 174
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In Layer 3 mode, click IP Configuration > Management and IP Interface > IPv6
Interfaces.
The IPv6 Interfaces Page opens.
This page displays the IPv6 interfaces already configured.
STEP 2 Click Add to add a new IPv6 interface, that is to define on which interface IPv6 is
enabled. The Add IPv6 Interface Page
opens.
STEP 3 Enter the values.
• IPv6 Interface—Select a specific port, LAG, VLAN, or ISATAP tunnel.
• 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 new Unicast IPv6 addresses before the addresses are
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.
• IPv6 Address Auto Configuration—Enable automatic address
configuration from the DHCP server. Address auto-configuration is stateful
(DHCP). If enabled, the switch supports IPv6 stateless address auto
configuration of site local and global IP address from the IPv6 router
advertisement received on the interface. The switch does not support
stateful address auto configuration.
• Send ICMPv6 Messages—Enable generating unreachable destination
messages.
STEP 4 Click Apply to enable IPv6 processing on the selected interface. Regular IPv6
interfaces have the following addresses automatically configured:
• Link local address using EUI-64 format interface ID based on a device’s MAC
address
• All node link local Multicast addresses (FF02::1)
• Solicited-Node Multicast address (format FF02::1:FFXX:XXXX)
STEP 5 Click IPv6 Address Table to manually assign IPv6 addresses to the interface, if
required. This page is described in the “Defining IPv6 Addresses” section.
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