System Command Reference
Page 360
7950 SR OS Basic System Configuration Guide
Specify the
key-id
that identifies the configured authentication key and authentication type used by this
node to transmit NTP packets to an NTP peer. If an NTP packet is received by this node, the
authentication key-id, type, and key value must be valid otherwise the packet will be rejected and an
event/trap generated.
Default
None
Values
1 — 255
version version —
Specify the NTP version number that is generated by this node. This parameter does not
need to be configured when in client mode in which case all three nodes are accepted.
Default
4
Values
2 — 4
prefer —
When configuring more than one peer, one remote system can be configured as the preferred peer.
When a second peer is configured as preferred, then the new entry overrides the old entry.
server
Syntax
server
{
ip address | ipv6-address | ptp
}[
key-id
key-id
] [
version
version
] [
prefer
]
no server ip address
Context
config>system>time>ntp
Description
This command is used when the node should operate in client mode with the ntp server specified in the
address field of this command. The no construct of this command removes the server with the specified
address from the configuration.
If the internal PTP process is to be used as a source of time for System Time and OAM time then it must be
specified as a server for NTP. If PTP is specified then the prefer parameter must also be specified. Once PTP
has established a UTC traceable time from an external grandmaster then it shall always be the source for
time into NTP even if PTP goes into time holdover.
Note: Use of the internal PTP time source for NTP will promote the internal NTP server to stratum 1 level.
This may impact the NTP network topology.
Parameters
ipv6-address —
Configure the IPv6 address of the node that acts as an NTP server to this network element.
Default
None
Values
x:x:x:x:x:x:x:x (eight 16-bit pieces)
x:x:x:x:x:x:d.d.d.d
x [0 — FFFF]H
d [0 — 255]D
ip-address —
Configures the IP address of a node that acts as an NTP server to this network element. This is
a required parameter.
Values
Any valid IP address
ptp —
Configures the internal PTP process as a time server into the NTP process. The prefer parameter is
mandatory with this server option.
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Страница 502: ...Index Page 502 7950 SR OS Basic System Configuration Guide system parameters 252 system time elements 256 timing 294...