Command Manual – System Management
Quidway S8500 Series Routing Switches
Chapter 7 NTP Configuration Commands
Huawei Technologies Proprietary
7-10
7.1.12 ntp-service multicast-server
Syntax
ntp-service
multicast-server
[
ip-address
] [
authentication-keyid
keyid
] [
ttl
ttl-number
] [
version
number
]*
undo ntp-service multicast-server
[
ip-address
]
View
VLAN interface view
Parameter
ip-address
: Specifies a multicast IP address of Class D and default to 224.0.1.1.
Actually, for the S8500 series, you can set 224.0.1.1 as the multicast IP address only.
authentication-keyid
: Specifies authentication key.
keyid
: Key ID used in multicast, ranging from 1 to 4294967295.
ttl
: Time to live of a multicast packet.
ttl-number
: ttl of a multicast packet, ranging from 1 to 255.
version
: NTP version number.
number
: NTP version number and range from 1 to 3.
Description
Use the
ntp-service
multicast-server
command to configure NTP multicast server
mode, if no IP address is specified, switch automatically choice the 224.0.1.1 as the
multicast IP address.
Use the
undo ntp-service
multicast-server
command to disable NTP multicast
server mode, if no IP address is specified, the switch will disable the configuration of the
multicast IP address 224.0.1.1.
By default, the multicast service is disabled. IP address defaults to 224.0.1.1 and the
version number defaults to 3.
Designate an interface on the local equipment to transmit NTP multicast packet. The
local equipment operates in multicast-server mode and multicasts packets regularly to
its clients.
Example
# Configure to transmit NTP multicast packets encrypted with Key 4 through
Vlan-Interface1 at 224.0.1.1 and use NTP version 3.
<Quidway> system-view
System View: return to User View with Ctrl+Z.
[Quidway] interface vlan-interface 1