System Management
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7210 SAS-M, T, R6, R12, Mxp, Sx, S Basic System
Configuration Guide
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Use subject to Terms available at: www.nokia.com
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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.
The no form of this command removes the server with the specified address from the
configuration.
Parameters ip-address — Specifies the IP address of a node that acts as an NTP server to this
network element.
Values a.b.c.d
ptp — Keyword to configure the internal PTP process as a time server into the NTP
process. The prefer keyword is mandatory with this server option. The ptp keyword
is supported only on the 7210 SAS-M, 7210 SAS-Mxp, 7210 SAS-R6,
7210 SAS-R12, 7210 SAS-Sx/S 1/10GE (standalone), and 7210 SAS-T.
key-id key-id — Specifies 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.
Values 1 to 255
version version — Specifies the NTP version number that is expected by this node.
Default 4
Values 2 to 4
prefer — Specifies the preferred peer. When configuring more than one peer, one
remote system can be configured as the preferred peer. When a second peer is
configured as preferred, the new entry overrides the old entry.
SNTP Commands
sntp
Syntax [no] sntp
Context config>system>time
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.
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