System Management
7210 SAS D, E, K OS Basic System Configuration Guide Page 341
server
Syntax server {ip 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.
Up to five NTP servers can be configured.
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 ip-address — Configure 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 a.b.c.d
ptp — Configures the internal PTP process as a time server into the NTP process. The prefer
parameter is mandatory with this server option.
key-id key-id — Enter the key-id that identifies the configured authentication key and authentication
type used by this node to transmit NTP packets to an NTP server. 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. This is an optional parameter.
Values 1 — 255
version version — Use this command to configure the NTP version number that is expected by this
node. This is an optional parameter
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.
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