CLI Reference Guide

Chapter 26 | Domain Name Service Commands
DNS Commands
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ip domain-lookup This command enables DNS host name-to-address translation. Use the no form to
disable DNS.
Syntax
[no] ip domain-lookup
Default Setting
Disabled
Command Mode
Global Configuration
Command Usage
◆ At least one name server must be specified before DNS can be enabled.
◆ If one or more name servers are configured, but DNS is not yet enabled and the
switch receives a DHCP packet containing a DNS field with a list of DNS servers,
then the switch will automatically enable DNS host name-to-address
translation.
Example
This example enables DNS and then displays the configuration.
Console(config)#ip domain-lookup
Console(config)#end
Console#show dns
Domain Lookup Status:
DNS Enabled
Default Domain Name:
sample.com
Domain Name List:
sample.com.jp
sample.com.uk
Name Server List:
192.168.1.55
10.1.0.55
Console#
Related Commands
ip domain-name (761)
ip name-server (763)
ip domain-name This command defines the default domain name 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 the current domain name.
Syntax
ip domain-name name