Cisco 300 Series User Manual

15
OL-32830-01 Command Line Interface Reference Guide 353
DNS Client Commands
15.0
15.1 clear host
Use the clear host command in privileged EXEC mode to delete dynamic
hostname-to-address mapping entries from the DNS client name-to-address
cache.
Syntax
clear host
{ hostname | *}
Parameters
• hostname —Name of the host for which hostname-to-address mappings are
to be deleted from the DNS client name-to-address cache.
• *—Specifies that all the dynamic hostname-to-address mappings are to be
deleted from the DNS client name-to-address cache.
Default Configuration
No hostname-to-address mapping entries are deleted from the DNS client
name-to-address cache.
Command Mode
Privileged EXEC mode
User Guidelines
To remove the dynamic entry that provides mapping information for a single
hostname, use the
hostname argument. To remove all the dynamic entries, use the
* keyword.
To define a static hostname-to-address mappings in the DNS hostname cache,
use the ip host command.
To delete a static hostname-to-address mappings in the DNS hostname cache,
use the no ip host command.

Cisco 300 Series Specifications

General

Model	Cisco 300 Series
Category	Switch
Dimensions	Varies by model
Weight	Varies by model
Power over Ethernet (PoE)	Available on select models
Management	Web-based GUI, SNMP, CLI
VLANs	Up to 256
Security Features	ACLs, 802.1X, Port Security
Humidity	10% to 90% non-condensing
Ports	8, 16, 24, 48