R21xx-HP FlexFabric 11900 Layer 3 IP Services Command Reference

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Syntax
dns server ip-address [ vpn-instance vpn-instance-name ]
undo dns server [ ip-address ] [ vpn-instance vpn-instance-name ]
Default
No DNS server is specified.
Views
System view
Predefined user roles
network-admin
Parameters
ip-address: Specifies an IPv4 address of a DNS server.
vpn-instance vpn-instance-name: Specifies an MPLS L3VPN by its name, a case-sensitive string of 1 to 31
characters. To specify an IPv4 address on the public network, do not use this option.
Usage guidelines
The device sends DNS query request to the DNS servers in the order their IPv4 addresses are specified.
You can specify DNS server IPv4 addresses for the public network and up to 1024 VPNs, and specify a
maximum of six IPv4 addresses for the public network or each VPN.
Examples
# Specify the IPv4 address of a DNS server as 172.16.1.1.
<Sysname> system-view
[Sysname] dns server 172.16.1.1
Related commands
display dns server
dns source-interface
Use dns source-interface to specify the source interface for DNS packets.
Use undo dns source-interface to restore the default.
Syntax
dns source-interface interface-type interface-number [ vpn-instance vpn-instance-name ]
undo dns source-interface interface-type interface-number [ vpn-instance vpn-instance-name ]
Default
No source interface for DNS packets is specified. The device uses the primary IP address of the output
interface of the matching route as the source IP address for a DNS request.
Views
System view