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Fit AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
dhcpv6 duid

dhcpv6 duid

Function

The dhcpv6 duid command configures a DUID for the DHCPv6 device.

By default, the device generates a DUID based on the link-layer (LL) address.

Format

dhcpv6 duid { ll | llt | duid }

Parameters

Parameter

Description

Value

ll

Configures the device to generate a DUID based on the link-layer address (MAC address).

-

llt

Configures the device to generate a DUID based on the link-layer address (MAC address) plus time.

-

duid

Specifies the DUID of the device.

The value is a hexadecimal string with an even number (in the range of 8 to 28) of characters. The value contains only combinations of digits 0 to 9, uppercase letters A to F, and lowercase letters a to f.

Views

System view

Default Level

3: Management level

Usage Guidelines

A DUID identifies a DHCPv6 device. Each DHCPv6 server or client has a unique DUID. Servers use DUIDs to identify clients and clients use DUIDs to identify servers. When this command is run, a new DUID is stored in the :/dhcp/dhcp-duid.txt file of the storage device. You can run the display dhcpv6 duid command to check the DUID of the device.

NOTE:
  • If the AP's DUID is generated through the LL or LLT mode, and the system MAC address of the AP changes, the corresponding DUID also changes.

  • If a static binding between the AP's DUID and the IPv6 address or IPv6 prefix is configured on the DHCPv6 server and the DUID changes, you need to manually change the corresponding binding relationship.

Example

# Configure the device to generate a DUID based on the link-layer address.

<Huawei> system-view
[Huawei] dhcpv6 duid ll
Warning: The DHCP unique identifier should be globally-unique and stable. Are you sure to change it? [Y/N]y 
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Updated: 2019-07-18

Document ID: EDOC1100064353

Views: 157432

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