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28 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 domain-list This command defines a list of domain names that can be appended to incomplete
host names (i.e., host names passed from a client that are not formatted with
dotted notation). Use the no form to remove a name from this list.
Syntax
[no] ip domain-list name
name - Name of the host. Do not include the initial dot that separates the
host name from the domain name. (Range: 1-127 characters)
Default Setting
None
Table 171: DNS Commands
Command Function Mode
ip domain-list Defines a list of default domain names for incomplete host
names
GC
ip domain-lookup Enables DNS-based host name-to-address translation GC
ip domain-name Defines a default domain name for incomplete host names GC
ip host Creates a static IPv4 host name-to-address mapping GC
ip name-server Specifies the address of one or more name servers to use for
host name-to-address translation
GC
ipv6 host Creates a static IPv6 host name-to-address mapping GC
clear dns cache Clears all entries from the DNS cache PE
clear host Deletes entries from the host name-to-address table PE
show dns Displays the configuration for DNS services PE
show dns cache Displays entries in the DNS cache PE
show hosts Displays the static host name-to-address mapping table PE
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