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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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Dynamic Domain Name Resolution Cannot Be Implemented on a DNS Client

Dynamic Domain Name Resolution Cannot Be Implemented on a DNS Client

Fault Description

The Router functions as a DNS client that is configured with dynamic domain name resolution but cannot resolve domain names to IP addresses correctly.


  1. Run the display dns dynamic-host command to check whether the specified domain name exists in the dynamic domain name cache.

    • If not, check whether the DNS client communicates with the DNS server properly, the DNS server runs properly, and dynamic domain name resolution is enabled.
    • If so, but the IP address is incorrect, go to step 2.

  2. Run the display dns server command to verify that the IP address of the DNS server is correct on the DNS client.

    If the DNS server IP address is incorrect, run the undo dns server ip-address command to delete the configured DNS server IP address, and run the dns server ip-address command to reconfigure a correct IP address for the DNS server.

Updated: 2019-03-06

Document ID: EDOC1100069333

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