38-1
Chapter 38: Domain Name Service Commands
These commands are used to configure Domain Naming System (DNS) services.
Entries can be manually configured in the DNS domain name to IP address mapping
table, default domain names configured, or one or more name servers specified to
use for domain name to address translation.
Note that domain name services will not be enabled until at least one name server is
specified with the ip name-server command and domain lookup is enabled with the
ip domain-lookup command.
ip host
This command creates a static entry in the DNS table that maps a host name to an
IP address. Use the no form to remove an entry.
Syntax
[no] ip host name address1 [address2 … address8]
•name - Name of the host. (Range: 1-127 characters)
• address1 - Corresponding IP address.
• address2 … address8 - Additional corresponding IP addresses.
Default Setting
No static entries
Command Mode
Global Configuration
Table 38-1 DNS Commands
Command Function Mode Page
ip host Creates a static host name-to-address mapping GC 38-1
clear host Deletes entries from the host name-to-address table PE 38-2
ip domain-name Defines a default domain name for incomplete host names GC 38-3
ip domain-list Defines a list of default domain names for incomplete host names GC 38-3
ip name-server Specifies the address of one or more name servers to use for host
name-to-address translation
GC 38-4
ip domain-lookup Enables DNS-based host name-to-address translation GC 38-5
show hosts Displays the static host name-to-address mapping table PE 38-6
show dns Displays the configuration for DNS services PE 38-7
show dns cache Displays entries in the DNS cache PE 38-7
clear dns cache Clears all entries from the DNS cache PE 38-8
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