100
The ntp-service ipv6 acl command provides a minimum security method. NTP authentication is
more secure.
Examples
# Configure the peer devices on subnet 2001::1 to have full access to the local device.
<Sysname> system-view
[Sysname] acl ipv6 basic 2001
[Sysname-acl-ipv6-basic-2001] rule permit source 2001::1 64
[Sysname-acl-ipv6-basic-2001] quit
[Sysname] ntp-service ipv6 peer acl 2001
Related commands
ntp-service authentication enable
ntp-service authentication-keyid
ntp-service reliable authentication-keyid
ntp-service ipv6 dscp
Use ntp-server ipv6 dscp to set a DSCP value for IPv6 NTP packets.
Use undo ntp-server ipv6 dscp to restore the default.
Syntax
ntp-service ipv6 dscp dscp-value
undo ntp-service ipv6 dscp
Default
The DSCP value for IPv6 NTP packets is 56.
Views
System view
Predefined user roles
network-admin
Parameters
dscp-value: Specifies a DSCP value in the range of 0 to 63 for IPv6 NTP packets.
Usage guidelines
The DSCP value is included in the Traffic Class field of an IPv6 packet to identify the packet priority.
Examples
# Set the DSCP value for IPv6 NTP packets to 30.
<Sysname> system-view
[Sysname] ntp-service ipv6 dscp 30
ntp-service ipv6 inbound enable
Use ntp-service ipv6 inbound enable to enable an interface to receive IPv6 NTP messages.
Use undo ntp-service ipv6 inbound enable to disable an interface from receiving IPv6 NTP
messages.