Clearing A Dns Server; Clearing The Dns Domain Name; Disabling Dns - Cisco WS-C2948G-GE-TX Configuration Manual

Chapter 38 Configuring DNS
dns_serv2
dns_serv1
dns_serv3
Console> (enable)

Clearing a DNS Server

To clear DNS servers from the DNS server table, perform this task in privileged mode:
Task
Step 1
Clear one or all of the DNS servers from the table.
Step 2 Verify the DNS configuration.
This example shows how to clear a DNS server from the DNS server table:
Console> (enable) clear ip dns server 10.12.12.24
10.12.12.24 cleared from DNS table
Console> (enable)
This example shows how to clear all of the DNS servers from the DNS server table:
Console> (enable) clear ip dns server all
All DNS servers cleared
Console> (enable)

Clearing the DNS Domain Name

To clear the default DNS domain name, perform this task in privileged mode:
Task
Step 1
Clear the default DNS domain name.
Step 2 Verify the DNS configuration.
This example shows how to clear the default DNS domain name:
Console> (enable) clear ip dns domain
Default DNS domain name cleared.
Console> (enable)

Disabling DNS

To disable DNS, perform this task in privileged mode:
Task
Step 1 Disable DNS on the switch.
Step 2 Verify the DNS configuration.
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
78-15908-01
Configuring DNS on the Switch
primary
Command
clear ip dns server [ip_addr | all]
show ip dns [noalias]
Command
clear ip dns domain
show ip dns [noalias]
Command
set ip dns disable
show ip dns [noalias]
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