D-Link DGS-3630 Emulator 1 - Page 521
prefix-delegation
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DGS-3630 Layer 3 Stackable Managed Switch CLI Reference Guide 31-10 prefix-delegation This command is used to specify a prefix to be delegated to the specified client. Use the no form of this command to remove the static binding prefix. prefix-delegation IPV6-PREFIX/PREFIX-LENGTH CLIENT-DUID [iaid IAID] [lifetime VALID-LIFETIME PREFERRED-LIFETIME] no prefix-delegation IPV6-PREFIX/PREFIX-LENGTH Parameters IPV6-PREFIX PREFIX-LENGTH CLIENT-DUID iaid IAID lifetime VALID-LIFETIME PREFERRED-LIFETIME Specifies the IPv6 prefix to delegate to the specific client. Specifies the length of the IPv6 prefix. Specifies the DHCP unique identifier (DUID) of the client to get the delegation. (Optional) Specifies the identity association identifier (IAID). An IAID uniquely identifies a collection of prefixes assigned to the requesting router. (Optional) Specifies the valid lifetime of the prefix in seconds. The valid lifetime should be greater than preferred lifetime. This value must be between 60 and 4294967295, or infinite. If the lifetime is not specified, the default valid lifetime is 2592000 seconds (30 days). (Optional) Specifies the preferred lifetime of the prefix in seconds. This value must be between 60 and 4294967295, or infinite. If the lifetime is not specified, the default preferred lifetime is 604800 seconds (7 days) Default None. Command Mode DHCPv6 Pool Configuration Mode. Command Default Level Level: 12. Usage Guideline Use this command to configure a static binding prefix entry to specify the prefix to be dedicatedly delegated to specific client. Multiple static binding prefix entry can be defined for a client, or an IAPD on a client. When the server receives a request from a client, the server will check the IPv6 DHCP pool associated with the received interface. If the request message includes the IAPD option and there are free static entries that are configured with IAID and match both the DUID and IAID of the message, all the match entries will be delegated. If there are no match entries, but there are free static entries without IAID specified and match the DUID of the message, the match entries are replied. If the request message has no IAID option, but there are free static entries without IAID specified and match the DUID of the message, the match entries are replied. If there are no match entries, the client will be delegated the prefix from the local IPv6 prefix pool specified in the IPv6 DHCP pool. 516
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