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30-2

Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7

OL-8978-04

Chapter 30 Configuring DNS

DNS Default Configuration

Table 30-1 shows the default DNS configuration.

Configuring DNS on the Switch

These sections describe how to configure DNS:

• Setting Up and Enabling DNS, page 30-2

• Clearing a DNS Server, page 30-3

• Clearing the DNS Domain Name, page 30-3

• Disabling DNS, page 30-4

Setting Up and Enabling DNS

To set up and enable DNS on the switch, perform this task in privileged mode:

This example shows how to set up and enable DNS on the switch and verify the configuration:

Console> (enable) set ip dns server 10.2.2.1

10.2.2.1 added to DNS server table as primary server.

Console> (enable) set ip dns server 10.2.24.54 primary

10.2.24.54 added to DNS server table as primary server.

Console> (enable) set ip dns server 10.12.12.24

10.12.12.24 added to DNS server table as backup server.

Console> (enable) set ip dns domain corp.com

Default DNS domain name set to corp.com

Console> (enable) set ip dns enable

DNS is enabled

Table 30-1 DNS Default Configuration

Feature Default Value

DNS enable state Disabled

DNS default domain name Null

DNS servers None specified

Task Command

Step 1

Specify the IP address of one or more DNS

servers.

set ip dns server ip_addr [primary]

Step 2

Set the domain name. set ip dns domain name

Step 3

Enable DNS. set ip dns enable

Step 4

Verify the DNS configuration. show ip dns [noalias]

Cisco WS-C6506 User Manual

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