H3C S6812 Series Command Reference Manual page 789

ipv6 dns dscp
Use ipv6 dns dscp to set the DSCP value for IPv6 DNS packets sent by an IPv6 DNS client or IPv6
DNS proxy.
Use undo ipv6 dns dscp to restore the default.
Syntax
ipv6 dns dscp dscp-value
undo ipv6 dns dscp
Default
The DSCP value is 0 in IPv6 DNS packets sent by an IPv6 DNS client or IPv6 DNS proxy.
Views
System view
Predefined user roles
network-admin
Parameters
dscp-value: Specifies the DSCP value in the range of 0 to 63.
Usage guidelines
The DSCP value of a packet specifies the priority level of the packet and affects the transmission
priority of the packet. A bigger DSCP value represents a higher priority.
Examples
# Set the DSCP value to 30 for outgoing IPv6 DNS packets.
<Sysname> system-view
[Sysname] ipv6 dns dscp 30
ipv6 dns server
Use ipv6 dns server to specify the IPv6 address of a DNS server.
Use undo ipv6 dns server to remove the IPv6 address of a DNS server.
Syntax
ipv6 dns server ipv6-address [ interface-type interface-number ]
undo ipv6 dns server [ ipv6-address [ interface-type interface-number ] ]
Default
No DNS server IPv6 address is specified.
Views
System view
Predefined user roles
network-admin
Parameters
ipv6-address: Specifies the IPv6 address of a DNS server.
interface-type interface-number: Specifies the output interface by its type and number. If you do not
specify an interface, the device forwards DNS packets out of the output interface of the matching
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