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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 DHCPv6 packets sent by the DHCPv6 server or the DHCPv6 relay
agent.
<Sysname> system-view
[Sysname] ipv6 dhcp dscp 30
ipv6 dhcp log enable
Use ipv6 dhcp log enable to enable DHCPv6 server logging.
Use undo ipv6 dhcp log enable to disable DHCPv6 server logging.
Syntax
ipv6 dhcp log enable
undo ipv6 dhcp log enable
Default
DHCPv6 server logging is disabled.
Views
System view
Predefined user roles
network-admin
Usage guidelines
This command enables the DHCPv6 server to generate DHCPv6 logs and send them to the
information center. For information about the log destination and output rule configuration in the
information center, see Network Management and Monitoring Configuration Guide.
As a best practice, disable this feature if the log generation affects the device performance or
reduces the address and prefix allocation efficiency. For example, this situation might occur when a
large number of clients frequently come online or go offline.
Examples
# Enable DHCPv6 server logging.
<Sysname> system-view
[Sysname] ipv6 dhcp log enable
ipv6 dhcp select
Use ipv6 dhcp select to enable the DHCPv6 server or DHCPv6 relay agent on an interface.
Use undo ipv6 dhcp select to restore the default.
Syntax
ipv6 dhcp select { relay | server }
undo ipv6 dhcp select
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