Reference Guide

Commands to Configure DNS
To configure the Domain Names Systems (DNS) on the system, use the following commands:
clear host
Removes one or all dynamically learned host table entries for a specific VRF.
S4820T
Syntax
clear host [vrf vrf-name] {* | host-name}
Parameters
vrf vrf-name (Optional) Enter the key word vrf and then the name of the
VRF to delete dynamically learned host table entries
corresponding to that VRF.
host-name Enter the name of the host corresponding to which you
want to delete the dynamically learnt host table entries.
* Enter * to delete all host table entries.
Defaults None
Command
Modes
EXEC
Command
History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.4.
(0.0)
Introduced on the S-Series and Z-Series.
Usage
Information
Use this command to delete one or all dynamically learned host table entries
corresponding to a specific VRF.
Example
Dell#clear host vrf jay dell
Dell#clear host vrf jay *
ip domain-name
Configures the default domain corresponding to a specific VRF. This domain is appended to the in
complete DNS requests corresponding to the specified VRF.
S4820T
Syntax
ip domain-name [vrf vrf-name] name
To undo the domain name configuration corresponding to a specific VRF, use the
no ip domain-name [vrf vrf-name] name command.
Dynamic Host Configuration Protocol (DHCP)
635