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NE40E V800R010C10SPC500 Configuration Guide - User Access 01

This is NE40E V800R010C10SPC500 Configuration Guide - User Access
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Configuring DHCPv6 (IA_PD) Prefix Allocation

Configuring DHCPv6 (IA_PD) Prefix Allocation

This section describes how to configure the NE40E to allocate prefixes to the CPE when the CPE works in unnumbered routing mode. The CPE allocates the prefixes to the attached host to generate IPv6 addresses.

Usage Scenario

In DHCPv6 prefix allocation, the IA_PD option is used to carry IA prefixes.

Figure 5-7 Networking diagram of IA_PD prefix allocation

The CPE initiates a connection request, and the NE40E uses DHCPv6 (IA_PD) to allocate prefixes to the CPE and the CPE allocates the prefixes to the attached host for the host to generate IPv6 addresses.

Pre-configuration Tasks

Before configuring PD (IA_PD) prefix allocation, enable IPv6.

Configuring the NE40E based on Its Role

This section describes how to configure the NE40E based on its role.

Context

PD(IA_PD) prefix allocation is used, and NE40E acts as a delegating router. For details, refer to the configuration of Configuring a Delegating Router.

When NE40E acts as a DHCPv6 relay agent, refer to the configuration of Configuring a DHCPv6 Relay Agent on the User Side.

Checking the DHCPv6 (IA_PD) Prefix Allocation Configuration

After PD (IA_PD) prefix allocation is configured, you can check the configurations of the IPv6 address pool, the prefix pool, the domain and address usage in the address pool bound to a domain.

Procedure

  • Run the display ipv6 pool [ pool-name ] command to check the IPv6 address pool configurations.
  • Run the display ipv6 prefix [ prefix-name [ all | used ] ] command to check the IPv6 prefix pool configurations.
  • Run the display domain [ domain-name ] command to check the domain configurations.
  • Run the display ipv6-pool pool-usage [ domain domain-name | pool-name [ pool-name ] ] command to check information about the usage of the address pool.
  • Run the display ipv6-pool max-ratio domain command to check information about IPv6 address pool or prefix pool usage in all domains on the device.
  • Run the display ipv6-pool pool-usage { upper-threshold | lower-threshold | all-threshold } command to check information about domains whose IPv6 address pool or prefix pool usage exceeds a specified threshold.
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Updated: 2019-01-03

Document ID: EDOC1100055031

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