4000 Router Series Network Management and Monitoring Command Reference

102

ntp-service ipv6 multicast-client

Use ntp-service ipv6 multicast-client to configure the device to operate in IPv6 NTP multicast client mode

and use the current interface to receive IPv6 NTP multicast packets.

Use undo ntp-service ipv6 multicast-client to remove the configuration.

Syntax

ntp-service ipv6 multicast-client ipv6-multicast-address

undo ntp-service ipv6 multicast-client ipv6-multicast-address

Default

The device does not operate in any NTP association mode.

View

Interface view

Predefined user roles

network-admin

Parameters

ipv6-multicast-address: Specifies an IPv6 multicast address in the range of FFxy::/16 (FFx0::/16,

FFx1::/16, FFx2::/16, and FF0y::/16 are not included), where x and y represent any hexadecimal

number from 0 through F. An IPv6 broadcast client and an IPv6 broadcast server must be configured with

the same multicast address.

Usage guidelines

After you configure this command, the device listens to IPv6 NTP messages with the destination address

as the specified multicast address and is synchronized based on the received IPv6 NTP messages.

Examples

# Configure the device to operate in IPv6 multicast client mode and receive IPv6 NTP multicast messages

with the destination FF21::1 on Ethernet 1/1.

<Sysname> system-view

[Sysname] interface ethernet 1/1

[Sysname-Ethernet1/1] ntp-service ipv6 multicast-client ff21::1

Related commands

ntp-service ipv6 multicast-server

Use ntp-service ipv6 multicast-server to configure the device to operate in IPv6 NTP multicast server

mode and use the current interface to send IPv6 NTP multicast packets.

Use undo ntp-service ipv6 multicast-server to remove the configuration.

Syntax

ntp-service ipv6 multicast-server ipv6-multicast-address [ authentication-keyid keyid | ttl ttl-number ] *

undo ntp-service ipv6 multicast-server ipv6-multicast-address