Licensing Requirements For Dns Clients; Prerequisites For Dns Clients; Guidelines And Limitations For Dns Clients; Default Settings For Dns Client Parameters - Cisco Nexus 7000 Series Configuring

Configuring DNS
Virtualization Support for DNS Clients
Cisco NX-OS supports multiple instances of the DNS clients that run on the same system. You can configure
a DNS client in each virtual device connect (VDC).You can optionally have a different DNS client configuration
in each virtual routing and forwarding (VRF) instance within a VDC. By default, Cisco NX-OS places you
in the default VDC and default VRF unless you specifically configure another VDC and VRF. See the Cisco
NX-OS Virtual Device Context Configuration Guide .

Licensing Requirements for DNS Clients

This feature does not require a license. Any feature not included in a license package is bundled with the Cisco
NX-OS system images and is provided at no extra charge to you. For a complete explanation of the Cisco
NX-OS licensing scheme, see the Cisco NX-OS Licensing Guide.

Prerequisites for DNS Clients

• You must have a DNS name server on your network.
• If you configure VDCs, install the Advanced Services license and enter the desired VDC (see the Cisco

Guidelines and Limitations for DNS Clients

• You configure the DNS client in a specific VRF. If you do not specify a VRF, Cisco NX-OS uses the
• If you are familiar with the Cisco IOS CLI, be aware that the Cisco NX-OS commands for this feature

Default Settings for DNS Client Parameters

The table below lists the default settings for DNS client parameters.
Table 1: Default DNS Client Parameters
Parameters
DNS client
OL-25777-03
NX-OS Virtual Device Context Configuration Guide).
default VRF.
might differ from the Cisco IOS commands that you would use.
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 6.x
Virtualization Support for DNS Clients
Default
Enabled
3