Configure the DNS Client Function
Configuration Condition
None
Configure Static Domain Name Resolution
In configuring static domain name resolution, you can configure a domain names to map the IPv4 address and IPv6 address.
Table 4-3 Configuring Static Domain Name Resolution
|
Step
|
Command
|
Description
|
|
Enter the global configuration mode.
|
configure terminal
|
-
|
|
Configure the corresponding IPv4 address of the static domain name
|
ip host [ vrf vrf-name ] domain-name ip-address
|
Mandatory
By default, do not configure the corresponding IPv4 address of the domain name.
|
|
Configure the corresponding IPv6 address of the static domain name
|
ipv6 host [ vrf vrf-name ] domain-name ipv6-address
|
Mandatory
By default, do not configure the corresponding IPv6 address of the domain name.
|
Configure Dynamic Domain Name Resolution
In configuring dynamic domain name resolution, you need to configure the IP address of a domain name server. Then, domain resolution requests can be sent to the proper domain server for resolution.
Users can pre-configure a domain suffix. Then, when the users use a domain name, they can input only part fields of the domain name, and the system automatically adds pre-configured domain suffix for resolution.
Table 4-4 Configuring Dynamic Domain Name Resolution
|
Step
|
Command
|
Description
|
|
Enter the global configuration mode.
|
configure terminal
|
-
|
|
Configure a domain suffix.
|
ip domain-name [ vrf vrf-name ] domain-name
|
Mandatory.
By default, no domain suffix is configured.
|
|
Configure a DNS server address.
|
ip name-server [ vrf vrf-name ] ip-address
|
Mandatory.
By default, the DNS server address is not configured.
|
|
Configure domain name resolution order.
|
ip name-order { dns-first | dns-only | local-first }
|
Optional.
By default, the system resolution order is local-first.
|
Switch
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