HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Com - Page 37

ntp-service ipv6 source, Predefined user roles, Parameters, Usage guidelines, Examples

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Predefined user roles network-admin Parameters ipv6-multicast-address: Specifies an IPv6 multicast IP address. An IPv6 multicast client and server must be configured with the same multicast address. authentication-keyid keyid: Specifies the key ID to be used for sending multicast messages to multicast clients, where keyid is in the range of 1 to 4294967295. If this option is not specified, the local device cannot synchronize clients enabled with NTP authentication. ttl ttl-number: Specifies the TTL of NTP multicast messages, where ttl-number is in the range of 1 to 255. The default value is 16. Usage guidelines After you configure this command, the device periodically sends NTP messages to the specified IPv6 multicast address. If you have configured the device to operate in IPv6 multicast server mode on an interface with this command, do not add the interface to any aggregate group. To add the interface to an aggregate group, remove the configuration of the command. Examples # Configure the device to operate in IPv6 multicast server mode and send IPv6 NTP multicast messages on VLAN-interface 1 to the multicast address FF21::1, using key 4 for encryption. system-view [Sysname] interface vlan-interface 1 [Sysname-Vlan-interface1] ntp-service ipv6 multicast-server ff21::1 authentication-keyid 4 Related commands ntp-service ipv6 multicast-client ntp-service ipv6 source Use ntp-service ipv6 source to specify the source interface for IPv6 NTP messages. Use undo ntp-service ipv6 source to restore the default. Syntax ntp-service ipv6 source interface-type interface-number undo ntp-service ipv6 source Default No source interface is specified for IPv6 NTP messages. The device automatically selects the source IP address for IPv6 NTP messages. For more information, see RFC 3484. Views System view Predefined user roles network-admin Parameters interface-type interface-number: Specifies an interface by its type and number. 35

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35
Predefined user roles
network-admin
Parameters
ipv6-multicast-address
: Specifies an IPv6 multicast IP address. An IPv6 multicast client and server must be
configured with the same multicast address.
authentication-keyid
keyid
: Specifies the key ID to be used for sending multicast messages to multicast
clients, where
keyid
is in the range of 1 to 4294967295. If this option is not specified, the local device
cannot synchronize clients enabled with NTP authentication.
ttl
ttl-number
: Specifies the TTL of NTP multicast messages, where
ttl-number
is in the range of 1 to 255.
The default value is 16.
Usage guidelines
After you configure this command, the device periodically sends NTP messages to the specified IPv6
multicast address. If you have configured the device to operate in IPv6 multicast server mode on an
interface with this command, do not add the interface to any aggregate group. To add the interface to
an aggregate group, remove the configuration of the command.
Examples
# Configure the device to operate in IPv6 multicast server mode and send IPv6 NTP multicast messages
on VLAN-interface 1 to the multicast address FF21::1, using key 4 for encryption.
<Sysname> system-view
[Sysname] interface vlan-interface 1
[Sysname-Vlan-interface1] ntp-service ipv6 multicast-server ff21::1 authentication-keyid
4
Related commands
ntp-service ipv6 multicast-client
ntp-service ipv6 source
Use
ntp-service ipv6 source
to specify the source interface for IPv6 NTP messages.
Use
undo ntp-service ipv6 source
to restore the default.
Syntax
ntp-service ipv6 source
interface-type interface-number
undo ntp-service ipv6 source
Default
No source interface is specified for IPv6 NTP messages. The device automatically selects the source IP
address for IPv6 NTP messages. For more information, see
RFC 3484
.
Views
System view
Predefined user roles
network-admin
Parameters
interface-type interface-number
: Specifies an interface by its type and number.