IP Configuration
IPv6 Management and Interfaces
285 Cisco Small Business 300 Series Managed Switch Administration Guide
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IPv6 Global Configuration
To define IPv6 global parameters and DHCPv6 client settings:
STEP 1 In Layer 2 system mode, click Administration > Management Interface > IPv6
Global Configuration.
In Layer 3 system mode, click IP Configuration > IPv6 Management and
Interfaces > IPv6 Global Configuration.
STEP 2 Enter values for the following fields:
•ICMPv6 Rate Limit Interval—Enter how often the ICMP error messages are
generated.
•ICMPv6 Rate Limit Bucket Size—Enter the maximum number of ICMP error
messages that can be sent by the device per interval.
DHCPv6 Client Settings
•Unique Identifier (DUID) Format—This is the identifier of the DHCP client
that is used by the DHCP server to locate the client. It can be in one of the
followi ng forma ts:
-Link-Layer—(Default). If you select this option, the MAC address of the
device is used.
-Enterprise Number—If you select this option, enter the following fields.
•Enterprise Number—The vendors registered Private Enterprise number as
maintained by IANA.
•Identifier—The vendor-defined hex string (up to 64 hex characters). If the
number of the character is not even, a zero is added at the right. Each 2 hex
characters can be separated by a period or colon.
•DHCPv6 Unique Identifier (DUID)—Displays the identifier selected.
IPv6 Interface
An IPv6 interface can be configured on a port, LAG, VLAN, or tunnel.
A tunnel interface is configured with an IPv6 address based on the settings
defined in the IPv6 Tunnel page.