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CLI-based Configuration Guide - IP Service

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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(Optional) Configuring IPv6 DNS Spoofing

(Optional) Configuring IPv6 DNS Spoofing

Context

If the device is enabled with IPv6 DNS proxy or relay but is not configured with a DNS server address or has no route to the DNS server, the device does not forward or respond to DNS query messages from DNS clients. If IPv6 DNS spoofing is enabled, the device uses the configured IPv6 address to respond to all DNS query messages.

In addition to enabling IPv6 DNS proxy or relay, one of the following requirements must be met to make IPv6 DNS spoofing take effect:
  • No DNS server is configured.
  • A DNS server is configured, but dynamic DNS resolution is disabled.
  • No route is reachable to the DNS server.
  • No source IPv6 address is available for the outbound interface connected to the DNS server.

If one of the preceding requirements is met, when receiving an AAAA or A6 query, the IPv6 DNS proxy or relay return spoofing reply messages using the configured IPv6 address.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run dns spoofing ipv6 ipv6-address

    IPv6 DNS spoofing is enabled and the IPv6 address in response packets is specified.

    By default, IPv6 DNS spoofing is disabled.

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Updated: 2019-03-06

Document ID: EDOC1100069333

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